Unitary record optical media method of management with defect-management information for it

FIELD: information technologies.

SUBSTANCE: unitary record optical recording media, method of defect-management zone selection for the unitary record optical recording media and method of reserve zone selection of the unitary record optical recording media are announced. The method of defect-management on the unitary record optical recording media having, at least, one recording layer, includes selection steps, of at least, one defect-management zone having the fixed size, and, at least, one defect-management zone having the variable size. On the specified optical recording media the defect-management data recording, accordingly, is performed at least in one temporary defect-management zone having the fixed size, and, at least in one temporary defect-management zone having the variable size. Also one defect-management zone having the fixed size, and, at least, one defect-management zone having the variable size is used for record of the corresponding information.

EFFECT: improved method of recording.

55 cl, 11 dwg

 

The technical field to which the invention relates.

The present invention relates to optical write-once media, a method and apparatus for information management, defect management and more specifically to a method and apparatus for placement of temporary management defects, way up a spare area for defect management, and optical write-once media, which allocates a temporary management area of the defect and a reserved area for optical recording media, such as disc Blu-ray write once.

Prior art

Optical discs, which are optical recording media that can record large amounts of data and is now widely used. Currently developing a new type of digital versatile disk with high recording density (HD-DVD), such as drive "Blu-ray". This type of recording media can record and store video data and audio data of high quality for a long time.

Disc "Blu-ray" is a solution that is relevant to the next generation optical recording, which can store a vast amount of data than traditional disk "DVD".

Blu-ray usually uses a blue-violet laser with a wavelength of 405 nm. This wavelength is shorter than the red laser, IP is althemore for traditional DVD. Wavelength red laser 650 nm. Drive Blu-ray has a thickness of 1.2 mm and a diameter of 12 cm, and includes a translucent layer thickness of approximately 0.1 mm, So the disk Blu-ray can store more than vast amounts of data than traditional disk "DVD".

The device for read/write optical disk for recording/reading data on the disc Blu-ray is shown in figure 1. It includes the optical head 11 for recording a signal on the optical disk 10 and the read signal, the system 12 entry on the VCD "VDR" to convert the signal received from the optical head 11, a playback signal or demodulating and converting the external data stream in a recording signal suitable for recording, and an encoder 13 for encoding external analog signal and the encoded signal system 12 entry on the VCD "VDR".

Disc "Blu-ray" may be a rewritable type, which is referred to below as a rewritable disc "Blu-ray" disk drive "BD-RE". Drive "BD-RE" has the ability rewriting, which allows to record, erase and re-record it with video and audio data. Drive "BD-RE" (shown in figure 2) is divided into the initial area "LIA", the data area and the destination area "LOA", and at the beginning and end of the data area allocated internal reserved area "ISA" and external backup area "OSA".

Together with the BD-RE, configured as described above, the system 12 entry on the VCD "VDR" device for read/write optical disks, shown in figure 1, encodes and modulates the outer entered data into a signal suitable for recording, and writes it to the cluster corresponding to the block of error correction. If in the data area during recording of data on the drive "BD-RE" there is a defective area, the data in the unit of one cluster recorded in the defective area is recorded in a reserved area (for example, in the internal reserved area on the disk drive "BD-RE") in accordance with the operation of a linear substitution. Can be made a series of operations linear substitution.

Accordingly, the system 12 entry on the VCD "VDR" device for read/write optical disk drive writes the data cluster recorded in the defective area, back area, even if the defective area occurred in the data area of the rewritable disc "Blu-ray". When the playback operation for rewritable disc "Blu-ray", that reads and reproduces data recorded in the backup area, so write error data can be corrected.

Developed a variety of standards related to disc "Blu-ray".

In this regard, the second type of disc "Blu-ray", on which no data is recorded repeatedly (not writable), but recorded only the about once, is referred to below as the disk Blu-ray write-once (CD "BD-WO").

Disc Blu-ray write-once comfortable, when there is no need to repeatedly overwrite the data. On the drive "BD-WO" to manage defective areas.

Because the drive "BD-RE" data can be recorded repeatedly (in accordance with the characteristics of the drive "BD-RE"), the size of the management defects "DMA" for rewritable disc "Blu-ray" is relatively small (see zone "DMA1"-"DMA4" in figure 2). Conversely, because the disk Blu-ray write-once data is written only once, the area required for managing a defective area of the disc is BD-WO", must be greater than the area required for the drive "BD-RE". Accordingly, a large enough area management defects should be assigned to drive "BD-WO".

An effective method of defect management for a drive "BD-WO" requires consistency and compatibility with the standards applicable to disks "BD-RE", including consistency and compatibility relating to the recording and reproduction control information to obtain a more efficient, more stable and better performance when recording and reproduction of information and data. Consequently, requires innovative method, device and structure for recording and managing defective areas and the corresponding data is to drive "BD-WO".

The invention

Accordingly, the present invention aims to optical media write-once BD-WO, the way information management defect management for him and a device for implementing this method that substantially obviate one or more problems related to limitations and disadvantages of the prior art.

Additional advantages, objects and features of the invention will be presented in part in the description which follows, and in part will become apparent to any specialists in the art after studying the description, or may be learned from practice of application of the invention. The objectives and other advantages of the invention can be implemented and achieved by using the structure presented in the written description and formula, as well as on the accompanying drawings.

To achieve these objectives and other advantages and in accordance with the present invention, as implemented and widely described below, the method of managing defects on an optical write-once media, having at least one recording layer, the method including the steps of selection on the optical recording medium, at least one temporary management area defects having a fixed size, and at least one time zone upravleniemoeda, having a variable size, respectively, and the recording information management defects, at least one temporary management area defects having a fixed size, and/or at least one temporary management area defects having a variable size.

In another aspect of the present invention, the device for managing defects on an optical write-once media, the device comprising means for highlighting on the optical recording medium, at least one temporary management area defects having a fixed size, and at least one temporary management area defects having a variable size, respectively, and means for recording information management defects, at least one temporary management area defects having a fixed size, and/or at least one temporary management area defects having a variable size.

In another aspect of the present invention is an optical write-once media, having at least one recording layer includes at least one temporary management area defects having a fixed size, and at least one temporary management area defects having a variable size, where the information of the defect management is recorded, at least one temporary management area defects, there is a total of a fixed size, and/or at least one temporary management area defects having a variable size.

It should be understood that both the foregoing General description and the following detailed description of the present invention serve as example and explanation and are intended to provide further disclosure of the claimed invention.

Brief description of drawings

The accompanying drawings, which are intended to provide further understanding of the invention included in this application and make a part of it, illustrate embodiments of the invention and together with the description serve the purpose to explain the principle of the present invention. In the drawings:

1 schematically illustrates the configuration of the device for read/write optical disk according to the prior art;

figure 2 illustrates the configuration of the recording area of the BD-RE;

figure 3 schematically illustrates the configuration of the device for read/write optical discs for disc BD-WO in accordance with the present invention;

figure 4 illustrates the configuration of the recording area of the optical recording medium in accordance with the exemplary embodiment of the present invention;

figure 5 illustrates the configuration of the recording area of the optical recording medium in accordance with another embodiment of the present invention;

6 illustrates an example of ways the and interim control zones of defects in accordance with the present invention;

7 illustrates another example method of use of temporary control zones of defects in accordance with the present invention;

Fig illustrates another example method of forming temporary information management defects in accordance with the present invention;

Fig.9 illustrates another example method of forming temporary information management defects in accordance with the present invention;

figure 10 illustrates the configuration of the temporary definition structure disk "TDDS" and the content information in accordance with the exemplary embodiment of the present invention; and

11 is a table comparing the zone defect management "DMA", time zone management defects "TDMA" and time zone management defects "IDMA" of the present invention.

The preferred embodiment of the invention

Next will be described in detail preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Where possible, all drawings will be used the same item numbers to indicate the same or similar elements.

As follows from figure 3, the device 20 read/write optical disc drive for optical media write-once Blu-ray in accordance with this izobreteny the m unit includes the optical head 22 to write data on the optical recording medium 21, such as drive "BD-WO", and read data from it, block 23 servo of the optical pickup to the control unit of the optical head 22 and maintain the distance between the objective lens in the optical head 22 and the optical recording medium 21 and to track the corresponding track, the data processor 24 for processing and filing the input data to the optical head unit 22, the interface 25 to communicate with the external computer 30, a memory (memory unit) 27 for storing information related to defect management, and microcomputer 26 for controlling the above units. All components of the device 20 operatively connected. Computer 30 (host) connected to the interface 25 of the device 20 for recording data on the optical recording medium 21, reproduction of information and to exchange commands and data.

When the loaded optical recording media, such as disk drive "BD-WO, the device 20 loads of information regarding the management of defects, such as information management zones defects "DMA", the information of the time zone defect management "TDMA", etc. in the memory unit 27 or other suitable storage location. During operation, the memory unit 27 is updated in accordance with the mode control defects. This method can also be performed using the device shown in figure 1, or other suitable devices and the and systems.

Figure 4 illustrates the configuration of the recording area of the disc is BD-WO in accordance with the present invention. The disc is BD-WO", shown in figure 4, has the structure of a single-layer disc. Also, the disc is BD-WO", shown in figure 4, includes an initial region, the data region and the destination region. The user data area is located in a data region. The start and end of the area include the final or permanent zone management defects ("DMA1"-"DMA4"). The arrows in each area, respectively, are used as examples to indicate the direction of data recording.

Time zone defect management "TDMA" in accordance with the present invention is provided in the primary area of the disk BD-WO". Here may be the difference between the time zone defect management "TDMA" and areas of management defects ("DMA1", "DMA2", "DMA3", "DMA4"). More specifically, time zone management defects (TDMA) is the area of a disk BD-WO, which is used to temporarily record information management defects and manage up until the disc is BD-WO" is not completed. Subsequently, the information of the defect management is recorded at least in one of the many areas management defects, for example, "DMA1"-"DMA4 in the recording layer, shown in figure 4. The disc is BD-WO" is completed, for example when he completed the writing of data in the area of the floor is zavalska data drive "BD-WO". Time zone defect management "TDMA"provided for in the initial area has a fixed size, for example, 2048 clusters.

The data area of the disc is BD-WO", shown in figure 4, includes a user data area internal reserved area "ISA0 and external backup area OSA0". All internal backup area ISA0" is used as an area for linear replacement, i.e. as a replacement area for storing data that may reside in the defective area of the user data area. No time zone defect management "TDMA" is not allocated in the internal backup area ISA0". External backup area OSA0" includes the time zone defect management "IDMA"as provided by the exemplary embodiment of the present invention. Here, a distinction is made between temporary management area defects "IDMA" and the above-described time zone defect management "TDMA"having a fixed size in the initial area. In this respect, time zone management defects "IDMA" is seen as a temporary management area defects having a variable size. However, the time zone defect management "TDMA" and time zone management defects "IDMA" can have the same content, despite the differences in terms and/or may differ from each other depending on the way in which use the I time zone defect management "TDMA" and time zone management defects "IDMA", for different ways to mark points in time and/or events in the real writing process. This will be discussed in more detail, when will explore ways to use time zone defect management "TDMA" and time zone management defects "IDMA".

In a single-layer disc BD-WO", shown in figure 4, the portion of the external backup area OSA0 is used as the time zone defect management "IDMA"and the rest external backup area OSA0 is used as an area for linear replacement (replacement area). For example, the time zone defect management "IDMA" selected in the external backup area OSA0" as part adjacent to the replacement area. The size of the time zone defect management "IDMA" varies with the allocation depending on the size of the backup area. Because external backup area OSA0" has a variable size, the time zone defect management "IDMA" also has a variable size.

In this case, the time zone defect management "IDMA"having a variable size, is assigned to the data area depending on whether the intention to appoint a reserve area. If you should be appointed external backup region, time zone management defects "IDMA" can be selected in the way described above. If external backup area is not on the right, there shall be only temporary management area defects "TDMA"having a fixed size (time zone defect management "IDMA" not assigned). In this case, the time zone defect management "TDMA" is used to manage information of the defect management. In another example, even though there is a back area OSA0", time zone management defects "IDMA" still may not be allocated in accordance with the selection configuration. This means that the developer has a wide variety of configuration choices in the allocation of time zone defect management "IDMA". However, if the backup area (for example, external backup area OSA0"is selected, in this embodiment, both zones are usually always allocated together, that is, if the selected external backup area OSA0", in the external backup area OSA0" is also highlighted time zone defect management "IDMA".

The size of the time zone defect management "IDMA", located on the outer track of the disk depends on the size of the backup area OSA0" (the size of the external backup area OSA0" is a variable). For example, if the size of the backup area OSA0" is N×256 (0≤N≤64) clusters, the size of the time zone defect management "IDMA" can vary up to R×256 clusters, where P=N/4. P and N may be integers. Other the words, in the example above, can be used (as an example), in which the size of the time zone defect management "IDMA" (with variable length) is assigned to one quarter of the size of the external backup area.

As an example, if N=64, because the size of the external backup area OSA0 is 16384 cluster and P=N/4=16, then the size of the time zone defect management "IDMA" 4096 cluster.

Similarly, the size of the time zone defect management "IDMA", located in the region of the outer tracks of a disk, may have a size that is different from the example given above, in that it is made variable depending on the size of the backup area OSA0". This may be the case, which takes into account that when the area for linear replacement is reserved in the external backup area OSA0", the size of the area for linear replacement, the size of the defect management and the size of the backup area OSA0" - all independent of each other. As a comparison, the size of the inner tracks, especially the size of the time zone defect management "TDMA", located in the starting area, have a fixed size.

In the example implementation shown in figure 4, it is evident that the time zone defect management "TDMA" is not in the data area, and is located in the initial oblation area defect management "IDMA" is located in the external backup area OSA0 and can be specified with size "0". In this case, all external backup area OSA0" will be used as a replacement area. In another case, the internal backup area ISA0 and external backup area OSA0" can be assigned with a size of "0"if there should be no control defects. However, since there is a time zone defect management "TDMA" initial region, the corresponding information can be recorded and can be controlled using the temporary definition structure disk "TDDS", even if temporary list of defects "TDFL" is not available. Further explanation of the way in which to write the temporary list of defects "TDFL and the temporal structure of the disk definition "TDDS" (and which is used here), will be given below.

In accordance with this example implementation, if created or detected defective area (in areas such as user data)when data is written to disk BD-WO", the data written (or copied) in the defective area is recorded in a predetermined area for linear replacement. Defective region may be generated as a result of the recording process, or the defective area can be detected in the recording process. In the latter case, the detected defective area is not the result of the current recording process. In the case of the created defect line is adequate information of the defect management is recorded in the temporary management area "TDMA", and in the time zone defect management "IDMA".

Figure 5 shows an example implementation of the present invention, which illustrates another configuration of the recording area of the disc is BD-WO". The disc is BD-WO", shown in figure 5, has the structure of a two-layer disk. The structure of the disc is BD-WO", shown in figure 5, includes an initial region, the data region 50A and the external area External area 0" ("Outer Area 0") in the first recording layer "Layer 0" ("Layer 0)and the destination area, the data area 50b and the external area External area 1" ("Outer " Area 1") in the second recording layer "layer 1" ("Layer 1").

The arrows in each area are examples that indicate the direction of the data record.

However, in the shown double-layer drive "BD-WO", time zone management defects "TDMA" of the present invention is provided in the initial area and the destination area. As shown, a data region 50A, 50b include internal backup area ISA0 and ISA1 and external backup area OSA0 and OSA1". In each recording layer and the internal reserved area "ISA1", and external backup area OSA0 and OSA1" include time zone defect management "IDMA". In other words, time zone management defects "IDMA" is allocated to each reserve area OSA0", "OSA1" and "ISA1", and they all have a variable size, depending on the variable size of the backup area, the and with the exception of the area ISA0" (which may be of a fixed size).

In this example, the time zone defect management "TDMA"provided for in the initial region (first recording layer) and the end region (second recording layer) of a double-layer BD-WO, shown in figure 5, are of a fixed size, for example, 2048 clusters.

All internal backup area ISA0" is used as an area for linear replacement. In other words, time zone management defects "IDMA" temporary defect management in the internal backup area ISA0" is not highlighted.

Part of the internal backup area ISA1 and external backup area OSA0 and OSA1" are used as temporary control zones defects "IDMA", and the remaining part (or other parts) of the internal backup area ISA1 and external backup area OSA0 and OSA1" are used as area for linear replacement of the defective zone. In one example, the time zone defect management "IDMA" selected as part of the reserve areas adjacent to the area for linear replacement. The size of the time zones defect management "IDMA" I is assigned depending on the size of the reserve areas "ISA1", "OSA0 and OSA1" (these reserve areas are of variable length).

Here the time zone defect management "IDMA"having a variable size, allocated in the data area depending on whether the intention to allocate for the matter of the backup area (reserved area which corresponds to a specific time zone defect management "IDMA"). If the backup scope is selected, the time zone defect management "IDMA" can be selected as described above. If the backup area is not selected, then only selected time zone defect management "TDMA". Some or all of the initial area and/or target region can be used to store information of the defect management. As one example, if the size of the external backup area OSA0", "OSA1" is N×256 (0≤N≤32) clusters and the size of the internal backup area "ISA1" = L×256 (0≤L≤64) clusters, then the size of the time zones defect management area OSA0" and "OSA1" can vary up to R×256 clusters, and the size of the time zone management of defects in the internal backup area "ISA1" can range up to Q×256 clusters, where P and Q are defined as P=N/4 and Q=L/4. N and L can be integers. This method can be considered as the way in which the size of the time zone defect management "IDMA"having a variable size, is assigned to one quarter the size of the corresponding external or internal backup area OSA0", "OSA1" or "ISA1".

For example, if N=32, since the size of the external backup areas ("OSA0"+"OSA1") is 16384 cluster and P=N/4=8, then the total size of the temporal is th zone defect management "IDMA" external backup "area OSA0 and time zone management defects "IDMA" external backup area "OSA1" 4096 clusters. If L=64, since the size of the internal backup area "ISA1" is 16384 cluster and Q=L/4=16, then the size of the time zone defect management "IDMA" in the field "ISA1" 4096 clusters. Then the total size of all temporary control zones of defects in the first and second recording layers is equal to 8192 cluster.

Similarly, the size of the time zones defect management "IDMA" made variable depending on the size of the reserve areas "ISA1", "OSA0 and OSA1", whereas, when in the backup area provided area for linear replacement, the size of the area for linear replacement, the size of the defect management and the size of the backup area - all independent of each other. Compared to this, the size of the inner tracks (especially time zone defect management "TDMA"located in the start field and end field) has a fixed value.

In the above-described exemplary embodiment of the present invention to drive "BD-WO" two layer structure, it is obvious that the time zone defect management "TDMA" is located in the starting area, and is located in the target area. Time zone defect management "IDMA"located in the backup areas, may have a size of "0"if all the data region is used to record user data. The reserve area is to be assigned with a size of "0", if defect management is not performed. However, because the time zone defect management "TDMA" in the start field and end field remain available for use, the corresponding information can be recorded, and can be controlled using the temporary definition structure disk "TDDS", even if temporary list of defects "TDFL" is not available. This will be explained in more detail below, but for now we note that the time zone defect management "IDMA"with size "0", there is an indication that the temporary list of defects "TDFL" not available.

Also, in accordance with the embodiment shown in figure 5, if the defective area is generated during the actual recording of the data on the drive "BD-WO", the data are copied in the defective area is recorded in a predetermined area for linear replacement. In this case, the relevant information of the defect management can be recorded in the temporary management area defects "TDMA", and a temporary management area defects "IDMA" reserve areas "OSA0", "OSA1" or "ISA1".

In General, the selection of the time zone defect management "IDMA" depends on whether there is an intention to allocate a reserved area. If the decision is made to allocate a reserved area, the method of selection of the time zone defect management "IDMA" (using the method nae is ing back area and the way to manage defect) will be applied, as described here.

In addition to the discussion above, there is also a case that should be considered when dual-layer disc BD-WO" backup area is not allocated. In particular, there is the case when using only the time zone defect management "TDMA", and the case when using only the time zone defect management "TDMA"if you've selected only the internal reserved area "ISA0". If the selected internal backup area ISA0 and external backup area OSA0 and OSA1", in the external reserve areas "OSA0 and OSA1" allocated time zone defect management "IDMA". If you selected only the internal backup area ISA0 and ISA1, and external backup area OSA0 and OSA1" is not selected, it may be allocated time zone defect management "IDMA" in the field "ISA1". If the whole back area, time zone management defects "IDMA" all reserve areas "ISA1", "OSA0 and OSA1" can be assigned, as described above.

6 illustrates an example of how to use time zone defect management "TDMA or time zone defect management "IDMA" in a single-layer or double-layer drive "BD-WO in accordance with the exemplary embodiment of the present invention. In this way, the time zone defect management "TDMA" includes a temporary structure definition disc "TDDS", and temporary the list of defects "TDFL". However, although it is not shown in the drawing, time zone management defects "IDMA" can also include a temporary structure definition disc "TDDS", and the temporary list of defects "TDFL". An implementation option, shown in Fig.6 illustrates that appropriate information management defects (the temporal structure of the disk definition "TDDS" and the temporary list of defects "TDFL") is written in the temporary management area defects "TDMA" before it is written to a temporary management area defects "IDMA".

Now, let's discuss a temporary structure definition disc "TDDS" and the temporary list of defects "TDFL". In the present invention "TDDS" means a temporary structure definition disc and is different from the structure of the description disk "DDS" that "TDDS" is time information. Similarly, "TDFL" means a temporary list of defects and differs from the list of defects "DFL" that "TDFL is temporary. Here is a temporary list of defects "TDFL, and the temporal structure of the disk definition "TDDS" included in the time zone defect management "TDMA", and also the temporary list of defects "TDFL, and the temporal structure of the disk definition "TDDS" included in the time zone defect management "IDMA".

Temporary list of defects (TDFL) contains a (partial) list of clusters that are identified as defective during use of the media. This is regarding the temporal structure of the disk definition "TDDS" specifies the format and status of the disk in relation to the management of defects and, in General, gives General information management. The disc format may include information regarding the exact location of the zones on the disk for managing defective areas and the status of the disk may include various flags (explained below). Temporary list of defects "TDFL includes the addresses of the defective areas and replacement areas on the disk BD-WO". The temporal structure of the disk definition "TDDS" and the temporary list of defects "TDFL", recorded in the temporary management areas defects (for example, time zone management defects "TDMA" and time zone management defects "IDMA"), become a permanent information (structure definition disc "DDS" and the list of defects "DFL"), which is recorded in the permanent zone management defects (for example, "DMA1"-"DMA4"). For example, when the disk is made finally, the temporal structure of the disk definition "TDDS" and the temporary list of defects "TDFL are recorded at least in one of the zones of control defects "DMA". During a write operation of user data on drive "BD-WO", the temporal structure of the disk definition "TDDS" and the temporary list of defects "TDFL" refreshed periodically, or at the same time, the updated data is written in the temporary management area defects "TDMA" and/or in the temporary management area defects "IDMA". The specific implementation of these records will become more clear as dalnas the th discussion.

In the embodiment shown in Fig.6, time zone management defects "TDMA" is used first (before used time zone defect management "IDMA"), to record information management defects, such as the temporal structure of the disk definition "TDDS" and the temporary list of defects "TDFL". When the time zone defect management "TDMA" filled in, for recording information of the defect management uses the time zone defect management "TDMA". However, in another embodiment, the time zone defect management "IDMA" is used first (before using the time zone defect management "TDMA"). In this case, when the time zone defect management "IDMA" filled in, for recording information of the defect management uses the time zone defect management "TDMA". Under this option, the information stating which area among time zones defect management "TDMA" filled specified "flag fill" time zone defect management "TDMA". Such notification using the "flag fill a need, as disclosed here, the preferred embodiments require information indicating which area among the many time zones defect management "TDMA" and/or interim control zones defects "IDMA" is full. In one example, this flag filled the time zone defect management "TDMA" may be included in a temporary structure definition disc "TDDS".

Accordingly, in the embodiment of figure 6, time zone management defects "TDMA" and time zone management defects "IDMA", or time zone defect management "IDMA" and time zone management defects "TDMA"is consistently used to store information of the defect management. In other embodiments, the time zone defect management "TDMA" and time zone management defects "IDMA" and are in the initial regions and end regions. Use a specific time zone defect management "TDMA" and time zone management defects "IDMA" depends on various factors, examples of which will be given when discussing ways to use the time zone defect management "TDMA" and time zone management defects "IDMA".

It should be noted that the method of figure 6, and any other methods discussed here (Fig.7-11) applies to the structures of the disks shown in figure 4 and 5, and any other variations of them, are discussed below. It should also be noted that the present invention covers embodiments of which include a variety of time zones defect management "TDMA" and many time zones defect management "IDMA" in each recording layer of the disc is BD-WO".

Figure 10 illustrates an example of a flag fill, indicating that the time zone of the management of the Fund is chami "TDMA" and/or time zone defect management "IDMA" filled (as recorded in the temporary definition structure disk "TDDS") in accordance with the exemplary embodiment of the present invention. As mentioned above, the temporal structure of the disk definition "TDDS" includes General information management. In the present invention, to control the defective area, use different flags filling, such as "flag filling the reserve areas" and "the flag of the filling zone "TDMA/IDMA"", and pointers, such as "the number of the first physical sector "PSN" the last of the temporary list of defects "TDFL", and included a temporary structure definition disc "TDDS", recorded in the temporary management areas defects "TDMA" and/or in temporary control zones defects "IDMA". In particular, the flag of fill provides information about completed whether a particular area, and can be a 1-bit index corresponding to a particular zone. In the example implementation, if the corresponding area is a specific time zone defect management "TDMA or time zone defect management "IDMA" patterns, and the value of the corresponding bit flag fill "TDMA/IDMA" is equal to "1", then the corresponding zone (time zone defect management "TDMA or time zone defect management "IDMA") is considered to be filled, or in the state "completed". Accordingly, this zone defect management "TDMA/IDMA" can no longer be used because the specified area defect management "TDMA/IDMA" completed.

Figure 10 also shows that the field is lag fill the backup area includes an 8-bit structure, found out the arrow. Similarly, the flag field filling time zone defect management "TDMA/IDMA" (also located in the temporary definition structure disk "TDDS") includes an 8-bit structure, found out the arrow. The number of bytes (size) and the corresponding sectors are also indicated in the example of a field in the temporary definition structure disk "TDDS", shown in figure 10.

In one example, the bits b3, b2, b1 and b0 flag filling the reserve area is used to specify, respectively, are full external backup area "OSA1", internal reserved area "ISA1", external backup area OSA0 and internal backup area ISA0". For example, if the flag filling the backup area is set to 00000011, this may indicate that internal and external backup area ISA0 and OSA0 filled. If the disc is BD-WO" - a single drive, then you can only use the bits b1 and b0.

In another example, the bits b4-b0 flag fill time zones defect management "TDMA/IDMA is used to specify, respectively, filled or not the time zone defect management "IDMA" backup area "OSA1", time zone management defects "IDMA" backup area "ISA1", time zone management defects "IDMA" in the backup area OSA0", time zone management defects "TDMA" in the end region and time zone management defects "TDMA" in the initial area. For example, if the flag is filling time zones defect management "TDMA/IDMA is set to 00000010, then this may indicate that with time zone defect management "TDMA" in the destination area. Obviously, there are other examples of set values and position of bits for these flags fill.

In one example implementation, when recording the temporary definition structure disk "TDDS" and the temporary list of defects "TDFL" in accordance with 6 the size of the temporary definition structure disk "TDDS" fixed, for example, 1 cluster, and the size of the temporary list of defects "TDFL is variable. The size of the temporary list of defects "TDFL" double drive "BD-WO, as shown in figure 5, can vary from 1 cluster to 8 clusters. This size may be determined based on the capacity of the entire disk and the size of the backup area.

According to the usage time zone defect management "TDMA"/time zone defect management "IDMA"if the defective area is generated or detected while recording data on the disc is BD-WO", the data is recorded or copied in a defective area of the disc is BD-WO"written to disk "BD-WO" in a predetermined area (for example, a reserved area for linear replacement.

7 illustrates another example method of using time zones defect management on this is from the invention. In the method using temporary zone management defects, shown in Fig.7, time zone management defects "TDMA" and time zone management defects "IDMA" are used arbitrarily, without specifying any use. Flags fill time zone defect management "TDMA" and time zone management defects "IDMA", discussed in relation to figure 10, is equally applicable here.

If the flag is filling zones "TDMA/IDMA" indicates that a certain time zone defect management VOLUME/time zone defect management "IDMA" filled, then the drive "BD-WO" is used following or time zone defect management "TDMA or time zone defect management "IDMA". In any case, such as shown in Fig.7, no use of zones is not specified. If all time zones defect management "TDMA" and time zone management defects "IDMA" filled in, the management of defects on drive "BD-WO" is not possible. When the defect management is not possible, then the final information of the temporary definition structure disk "TDDS" and the temporary list of defects "TDFL" (i.e. the last updated temporal structure of the disk definition "TDDS" and last updated temporary list of defects "TDFL" in the temporary management area defects "TDMA"/time zone defect management IDMA") are transferred and written at least one of the zones management defects ("DMA1"-"DMA4")to reflect the current state of the disk. Here the same information management defects can be recorded in each of the zones management defects, so if one area defect management becomes defective, important information management defects will not be lost. Further discussion of the final registration information in the area of the defect management "DMA" is given below.

According to the embodiment 7, the data of the defective area is recorded in a predetermined area for linear replacement. Information management defects related to this defective area and the area of the substitution, arbitrarily written in the desired time zone defect management "TDMA" or temporary management area defects "IDMA". For example, the time zone defect management "TDMA or time zone defect management "IDMA", next to the area where the defective area, allocated on disk BD-WO" and are available for recording such information defect management. Thus, as shown in Fig.7, time zone management defects "TDMA or time zone defect management "IDMA" may be used interchangeably or as required.

In another method of use of the time zone defect management in the example assests is of figure 7, many facilities management defects are used alternately depending on various conditions. In one example, when using drive "BD-WO" information management defects can only be written in the temporary management area defects "IDMA". The last information of the defect management is recorded in the temporary management area defects "TDMA" later, when you eject the disc BD-WO". In other words, the choice of areas in which information is recorded defect management, there is a choice area for recording information management defects during use of the disk and the area of the information recording defect management during extraction (ejection) of a disk.

In another example, when data is written to disk BD-WO", the data written (or copied) in the defective area is recorded in a predetermined area for linear replacement, if the defective area is generated or encountered during the process of recording data. During use of the disk information of the defect management is recorded in the temporary management area defects "IDMA". The same information defect management during the recovery disk again recorded in the temporary management area defects "TDMA". Since the time zone defect management "TDMA" is located in the control panel (start or end) of the inner tracks of the disk, the system first receives information from the management area, when the disk is initially loaded. Time zone defect management "TDMA" contains the latest information control even in situations in which the disk was a rash checked out.

As another way of disk usage, different approaches are used to select one of the many areas of defect management. One way to use disk based on the degree of importance. For example, when the importance of updating information management defects is low, can be used time zone defect management "IDMA" to write the information of the defect management. When the importance of updating information of the defect management is high, it can be used time zone defect management "TDMA" to write the information of the defect management. Here the criterion used to determine the importance, can be defined in different ways. The frequency of updating (overwrite) information management defects can be made due to, or be based on the choice of the developer. Time to eject the disc may also be specified as an important time when writing defect management. In this case, the time until the disk is in use, is seen as less important, so during this time, the information management defects can be recorded in the temporary management area is efektami "IDMA". Time to eject the disc may be seen as more important, so at this time, information management defects can be recorded in the temporary management area defects "TDMA". Ways that decide to choose a developer, it applies in its sole discretion.

One of the criteria used to determine the degree of importance, is the update interval (for example, to update the information of the defect management). In other words, if the length of time between the previous refresh time and the current time of the update is large, then the current information updates is considered as relatively important. In this case, information management defects can be recorded in the temporary management area defects "TDMA" (instead of the time zone defect management "IDMA"), even though the disk is in use. Another criterion for determining importance is the number of created or found defective areas. If there are relatively many of the affected areas, as it is considered that requires greater reliability, information management defects can be recorded in the temporary management area defects "TDMA" (instead of the time zone defect management "IDMA"), even though the disk is in use.

In accordance with the objectives of use, if due to the importance of information management is Oia defects recorded in the temporary management area defects "TDMA", then, since the time zone defect management "TDMA" is located on the inside track of important information can be quickly and accurately obtained, starting from the initial moment of boot disk.

Fig and 9 illustrate examples of a method of forming a temporary or intermediate data management defects, in accordance with embodiments of the present invention. In one embodiment, the present invention provides a method for forming and recording information management defects (temporary definition structure disk "TDDS" and the temporary list of defects "TDFL") in the temporary management area defects "TDMA" or temporary management area defects "IDMA", in which the temporal structure of the disk definition "TDDS" and the temporary list of defects "TDFL" separated from each other. Another exemplary embodiment of the present invention provides a method for forming and recording information management defects in the temporary management area defects "TDMA" or in a temporary management area defects "IDMA", in which the temporal structure of the disk definition "TDDS" and the temporary list of defects "TDFL" combined with each other. Fig shows the first case (separated)and Fig.9 shows the second case (combined).

More specifically, Fig illustrates the method of forming and writing of management information defective time zone defect management "TDMA" or in a temporary management area defects "IDMA", in which the temporal structure of the disk definition "TDDS" and the temporary list of defects "TDFL" separated from each other. Each temporary structure definition disc "TDDS" has a fixed size, for example, 1 cluster, and the size of each temporary list of defects "TDFL is variable, for example, from 1 cluster to 8 clusters.

Fig.9 illustrates the formation method and information recording defect management in a temporary management area defects "TDMA" or in a temporary management area defects "IDMA", in which the temporal structure of the disk definition "TDDS" and the temporary list of defects "TDFL" in the temporary management area defects "TDMA" or in a temporary management area defects "IDMA" combined with each other. Information defect management is recorded in the form of "TDFL+TDDS" (temporary list of defects plus the temporal structure of the disk definition), as shown in Fig.9. That is, each time updated information management defects, and the last temporary list of defects "TDFL, and the last time structure of the disk definition "TDDS" is written in the temporary management area defects "TDMA" or in a temporary management area defects "IDMA". Because the size of the temporary list of defects "TDFL can be variable from 1 cluster to 8 clusters, as described above, the size of the record "TDFL+TDDS" is a variable from 1 cluster 8 cluster is C. The methods shown in Fig and 9 that are applicable to each of the structures of disks and each of the methods use time zones defect management "TDMA/IDMA", discussed in the statement of invention.

11 is a table showing, when using the zone defect management "DMA", time zone management defects "TDMA" and time zone management defects "IDMA" and what information is contained in each of the zones: zone defect management "DMA", time zone management defects "TDMA" and time zone management defects "IDMA" in accordance with the purposes of use. For example, information of the defect management is recorded in the temporary management area defects "IDMA"when the disc is BD-WO" is in use. Information defect management is recorded in the temporary management area defects "TDMA"when the disc is BD-WO" is extracted. Information defect management is recorded in the management area defects "DMA", when there is the operation of the filling zone management defects DMA, that is, for example, when the disc is BD-WO" should be finalized and the data is no longer recorded when filled back region, or when filled time zone defect management "TDMA or time zone defect management "IDMA" and managing defects on cannot be executed. Information field(for example, flags information) is recorded in the temporary definition structure disk "TDDS", as shown in figure 10. If in accordance with the purposes of the temporary management area defects "TDMA" and time zone management defects "IDMA" not divided, it is clear that the moments of time when the record information management defects temporary management area defects "TDMA" and a temporary management area defects "IDMA", should not differ from each other. The table of figure 11, showing when, in accordance with the purposes, uses area control defects "DMA", time zone management defects "TDMA" and time zone management defects "IDMA" and what information, in accordance with the purposes of use, each of the control zones of defects "DMA", "TDMA" and "IDMA"applicable to the above-discussed structures, including structures and methods shown in Fig.4-10, and the device shown in figure 3.

Industrial application of inventions

In the present invention, the information to be written in the defective area is recorded in the area for linear replacement drive "BD-WO". Information defect management is recorded in multiple time zones management provided separately in a predetermined area of the disk. Temporary management area is divided into a temporary management area, having fixed the config size and a temporary management area having a variable size, depending on the backup area, so that information of the defect management can be managed more effectively.

Specialists in the art it should be clear that the present invention can be made of various modifications and changes. Thus, it is understood that the present invention covers the modifications and changes of the present invention provided that they are within the scope of the following claims and their equivalents.

1. Method for managing defects on an optical recording medium for write-once, having at least one recording layer, the method comprising the steps:

selection on optical recording media, respectively, at least one temporary management area defects having a fixed size, and at least one temporary management area defects having a variable size, and

recording information management defects, at least one temporary management area defects having a fixed size, and/or at least one temporary management area defects having a variable size.

2. The control method according to claim 1, in which the step of allocating the optical recording medium has at least two recording layers, the first in anywaysi layer, which includes the time zone management defects, having a fixed size, and time zone management defects, having a variable size, and the second recording layer, which includes the time zone management defects, having a fixed size, and at least two time zones management defects, having a variable size.

3. The control method according to claim 1, in which the step of allocating at least one temporary management area defects having a fixed size is allocated at least one primary region and the end region of the optical recording media.

4. The control method according to claim 3, in which the step of allocating at least one temporary management area defects having a variable size, is assigned at least one backup field of optical recording media.

5. The control method according to claim 4, in which the optical recording medium, at least one backup field includes internal reserved area and an external back-up area.

6. The control method according to claim 1, in which the step of allocating further comprises allocating at least one internal backup area, part of which is used to replace the defective area; allocating at least one external backup area, part of which is used to replace the defective area; the selection part, to the to a minimum, one external or internal backup area as time zone defect management to manage the information of the defect management.

7. The control method according to claim 1, in which the step of allocating at least one temporary management area defects highlighted in the first external backup area on the optical recording medium and has a variable size depending on the size of the entire first external backup area.

8. The control method according to claim 1, in which the step of allocating the optical recording medium has at least two recording layers, the first recording layer that includes a first internal backup area, the whole area which is used to replace a defective area, and the first external backup area having a variable size, and a second recording layer that includes a second internal backup area and the second external backup area.

9. The control method according to claim 4, in which the step of selecting, if at least one backup area is not allocated, then at least one temporary management area defects having a variable size, not assigned, and allocated only at least one temporary management area defects having a fixed size.

10. The control method according to claim 4, in which the step of allocating, if appointed, at least one backup about the art, the at least one temporary management area of the defects having a variable size, cannot be assigned, only at least one temporary management area of the defects that have a fixed size.

11. The control method according to claim 1, in which the optical recording medium is a disk Blu-ray write-once (BD-WO).

12. The control method according to claim 1, in which the step of recording said information management defects includes at least one temporary list of defects "TDFL and at least one temporal structure of the disk definition "TDDS".

13. The control method according to item 12, in which the size of the at least one temporary definition structure of the disk is fixed, and the size of the at least one temporary list of defects is variable.

14. The control method according to item 12, in which at least one temporary list of defects and at least one temporal structure determination of the disk is divided.

15. The control method according to item 12, in which at least one temporary list of defects and at least one temporal structure of the disk definition United.

16. The control method according to claim,1 in which the step of recording at least one temporary management area defects having a fixed size, and at least one temporary management area defects having a variable size, the use is carried out successively for recording information of the defect management.

17. The control method according to claim 1, in which the step of recording at least one temporary management area defects having a fixed size, and at least one temporary management area defects having a variable size, are used arbitrarily without a predetermined order to record information of the defect management.

18. The control method according to claim 1, in which the step of recording at least one temporary management area defects having a fixed size, and at least one temporary management area defects having a variable size, are used in order, depending on the degree of importance assigned to information management defects.

19. The control method according to claim 1, in which the step of recording at least one temporary management area defects having a fixed size, and at least one temporary management area defects having a variable size, are used in a manner that depends on the number of defective zones present on the optical recording medium.

20. The control method according to claim 1, in which the step of recording information of the defect management is recorded, at least one temporary management area defects having a fixed size, and at least one temporary management area defects having a variable size, depending on the duration the time between the previous time information updates the defect management and the current time information updates the defect management.

21. The control method according to claim 20, in which, if the length of time between the previous update and the current update exceeds the reference time, the information of the defect management is recorded, at least one temporary management area defects having a fixed size.

22. The control method according to claim 1, in which the step of recording information of the defect management is recorded, at least one temporary management area defects having a variable size, during use of the optical recording medium and at least one temporary management area defects having a fixed size, while removing the optical recording media.

23. The control method according to claim 1, in which, if the defective area is created during data recording, the recorded data is recorded in a predetermined area for linear replacement, and the step of recording the management information of the defects related to the defective area is recorded in an arbitrary or at least one temporary management area defects having a fixed size, or at least one temporary management area defects having a variable size, depending on what time zone defect management closer to the defective area.

24. The way to control p., in which at the initial time of loading the optical recording medium is primarily accessed at least one temporary management area defects having a variable size.

25. The control method according to claim 1, in which the step of recording the management information of the defects includes information about specifying a fill, providing notification as to which area among time zones management defects filled.

26. The control method according to claim 1, further comprising recording information management defects in the constant region of the defect management of an optical recording medium when the optical recording medium must be finalized.

27. The control method according to claim 1, further comprising recording information management defects in permanent management area of the optical recording media when the backup area of the optical recording media is full.

28. The control method according to claim 1, further comprising recording information management defects in permanent management area of the optical recording medium when the temporary management area defects filled and managing defects on cannot be executed.

29. Device for managing defects on an optical recording medium for write-once, the device comprising means for highlighting on the optical recording medium, respectively, calminian, one time zone management defects, having a fixed size, and at least one temporary management area defects having a variable size, and means for recording information management defects, at least one temporary management area defects having a fixed size, and/or at least one temporary management area defects having a variable size.

30. Optical recording media can be written only once, having at least one recording layer including at least one temporary management area defects having a fixed size, and at least one temporary management area defects having a variable size, in which defect management is recorded, at least one temporary management area defects having a fixed size, and/or at least one temporary management area defects having a variable size.

31. The optical recording medium according to item 30, in which the optical recording medium contains at least two recording layers including a first recording layer, which includes the time zone management defects, having a fixed size, and time zone management defects, having a variable size; a second recording layer, which includes the time zone management defects, have th fixed size, and at least two time zones management defects, having a variable size.

32. The optical recording medium according to item 30, in which at least one temporary management area defects having a fixed size, is located at least one primary region or end region of the optical recording media.

33. The optical recording media according p, in which at least one temporary management area defects having a variable size, is located, at least one backup field of optical recording media.

34. The optical recording media according p, in which the optical recording medium, at least one backup field includes internal reserved area and an external back-up area.

35. The optical recording medium according to item 30, further comprising at least one internal backup area, part of which is used to replace the defective area; and at least one external backup area, part of which is used to replace a defective area where a portion of at least one external or internal backup region is used as the time zone defect management to manage the information of the defect management.

36. The optical recording medium according to item 30, in which at least one temporary management area defects having a variable size is the first external backup area on the optical recording medium and has a variable size, depending on the size of the entire first external backup area.

37. The optical recording medium according to item 30, wherein said optical recording medium has at least two recording layers, these at least two recording layers including a first recording layer which includes a first internal backup area, the whole area which is used to replace a defective area, and the first external backup area having a variable allocated size; and a second recording layer that includes a second internal backup area and the second external backup area.

38. The optical recording medium according to item 30, in which the optical recording medium is a disk Blu-ray write-once (BD-WO).

39. The optical recording medium according to item 30, in which said information management defects includes at least one temporary list of defects "TDFL and at least one temporal structure of the disk definition "TDDS".

40. The optical recording media according to 39, in which the size of the at least one temporary definition structure of the disk is fixed, and the size of the at least one temporary list of defects is variable.

41. The optical recording media according to 39, in which at least one temporary list of defects and at least one temporal structure definitions drive the implementation of the s separately.

42. The optical recording media according to 39, in which at least one temporary list of defects and at least one temporal structure of the disk definition United.

43. The optical recording medium according to item 30, in which at least one temporary management area defects having a fixed size, and at least one temporary management area defects having a variable size, are used consistently for recording information of the defect management.

44. The optical recording medium according to item 30, in which at least one time slot of the optical recording medium having a fixed size, and at least one temporary management area defects having a variable size, are used arbitrarily without a predetermined order to record information of the defect management.

45. The optical recording medium according to item 30, in which at least one temporary management area defects having a fixed size, and at least one temporary management area defects having a variable size, are used in order, depending on the degree of importance assigned to information management defects.

46. The optical recording medium according to item 30, in which at least one temporary management area defects having a fixed size, and at least one temporary management area de what projects, having a variable size, are used in a manner that depends on the number of defective areas present on the optical recording medium.

47. The optical recording medium according to item 30, in which defect management is recorded, at least one temporary management area defects having a fixed size, and at least one temporary management area defects having a variable size, depending on the length of time between the previous time information updates the defect management and the current time information updates the defect management.

48. The optical recording media according p, in which, if the length of time between the previous refresh time, and the current refresh time exceeds the reference time, the information of the defect management is recorded, at least one temporary management area defects having a fixed size.

49. The optical recording medium according to item 30, in which defect management is recorded, at least one temporary management area defects having a variable size, during use of the optical recording medium and at least one temporary management area defects having a fixed size, while removing the optical media to record the I.

50. The optical recording medium according to item 30, wherein, if the defective area is created during data recording, the recorded data is recorded in a predetermined area for linear replacement, and the step of recording the management information of the defects related to the defective area is recorded in an arbitrary or at least one temporary management area defects having a fixed size, or at least one temporary management area defects having a variable size, depending on what time zone defect management closer to the defective area.

51. The optical recording medium according to item 30, in which at the initial time of loading the optical recording medium is primarily accessed at least one temporary management area defects having a variable size.

52. The optical recording medium according to item 30, in which information of the defect management includes information about specifying a fill, providing notification as to which area among time zones management defects filled.

53. The optical recording medium according to item 30, further comprising a permanent management area for recording the information management defects, when the optical recording medium must be finalized.

54. The optical recording medium according to item 30, further comprising continuing blast control to write the information management defects, when the backup area of the optical recording media is full.

55. The optical recording medium according to item 30, further comprising a permanent management area for recording the information management defects, if a time zone management defects filled and management of defects is not possible.



 

Same patents:

FIELD: information technologies.

SUBSTANCE: defect-management method on the unitary record optical media having at least one recordable layer is announced. The defect-management method includes selection steps of, at least one substituting zone and several temporary defect-management zones on the recording media. According to the defect-management method, recording of the defect-management information is performed, at least, in one of the temporary defect-management zones.

EFFECT: improved method of record and defect-management.

42 cl, 13 dwg

FIELD: physics, measurement.

SUBSTANCE: during writing data to a medium, when a certain data communication rate is required, the allocation control means located in the writing/reading device should allocate logical space sections so as to provide efficient filling of the said recording medium and to guarantee an adequate data communication rate even if faulty ECC blocks are present. The information allocation rules used by the allocation control means are complicated. These rules may be simplified by decreasing the value of the lower extent size limit and by increasing the extent size depending on the quantity of faulty ECC blocks contained in that extent.

EFFECT: simplification of control of data allocation on recording medium.

26 cl, 9 dwg

FIELD: recording and/or reproduction method, recording and/or reproduction device and machine-readable carrier, which stores a program meant for realization of the method.

SUBSTANCE: in accordance to the invention, record unit block, which is partially filled with invalid data, is recorded on information carrier together with filling information, which indicates that invalid data is included in a block of recording unit. Filling information is useful to determine whether the recording unit block includes filling data. Respectively, excessive processes of repeated attempts of disk drive system are reduced.

EFFECT: increased efficiency of disk drive system, improved probability of error correction.

3 cl, 11 dwg

FIELD: recording and/or reproduction method, device for recording and/or reproduction and machine-readable carrier which stores a program meant for realization of the method.

SUBSTANCE: recording unit block, which is partially filled with invalid data, is recorded on information carrier together with filling information, which indicates that invalid data are included in recording unit block. Filling information is useful to determine whether the recording unit block includes filling data. Respectively, excessive processes of repeated attempts of disk drive system are reduced.

EFFECT: increased efficiency of disk drive system and improved probability of error correction.

2 cl, 11 dwg

FIELD: method and apparatus for ECC (error code correction).

SUBSTANCE: the method of ECC comprises a first directional first decoding, a first directional second decoding, a second directional first decoding, a second directional second decoding, wherein the error tolerant ability of first directional second decoding is greater than the second directional first decoding's. The ECC method comprises the following steps: read a data to be decoded; and if there exists at least one solution cannot be efficiently solved after continuous executing the first directional first decoding and the second directional second decoding, and execute the decoding action in the ECC decoding of the present invention according to a predetermined flow control rule, if there exists no correction performed during the ECC decoding and switch to the other directional decoding, the un-modified value is added by one; and if the un-modified value reached a maximum un-modified value, an ECC failure is confirmed and then stop the ECC decoding.

EFFECT: increased efficiency.

16 cl, 11 dwg

FIELD: methods and devices for controlling defects of a record carrier, and record carriers with defect control.

SUBSTANCE: record carrier includes a reserve area, wherein replacement area is formed, which serves as replacement for defective area of record carrier, and defect control area, wherein defect information is recorded, which sets the defective area and corresponding replacement area, where into replacement area position information and status information, related to defective area, are recorded. Appropriately, a capability is provided for restoration of defect information, even if control of record carrier defects on a record carrier was terminated abnormally.

EFFECT: increased efficiency.

5 cl, 10 dwg

FIELD: recording method for use by a device and/or which is encoded on computer-readable carrier.

SUBSTANCE: the method includes selection of enabled defect control mode or disabled defect control mode, which defines, whether defect control should be performed while the data is recorded onto record carrier, recording of data onto record carrier during realization of defect control on record carrier, if enabled defect control mode is selected, and recording of data onto data carrier without defect control, if disabled defect control mode is selected.

EFFECT: increased efficiency.

10 cl, 17 dwg

FIELD: data carriers.

SUBSTANCE: invention describes method and device for controlling disk defects on disk by using intermediate defect control area on disk, and disk, which is subjected to the method. Method includes recording user data into data area; recording into intermediate defect control area, which is located in at least one of zero track and end zone, of intermediate information about defects and intermediate information concerning control over defects related to user data, recorded in data area.

EFFECT: method and device may be used with recordable disks, efficient usage of defect control area is possible.

10 cl, 9 dwg

FIELD: information storage; storage disk with temporary informational area of fault control.

SUBSTANCE: disk contains fault control area, temporary fault information area which is formed in data area and in which temporary fault information is written, and temporary informational area of fault control. Thus, it is possible to write user data to a recordable disk carrying out fault control.

EFFECT: effective usage of fault control area which has a limited capacity.

77 cl, 14 dwg

FIELD: methods of recording and/or playing back for optic record carriers.

SUBSTANCE: method of recording and/or has the following steps: reading address from record carrier out (record carrier has at least first and second areas - data is recorded to first are and the first area goes after the second one. Information of address represents location of the second area), detecting of error, which corresponds to error detection code used for coding address information, which is read out from record carrier. When result of step of determination represents that the error was detected in address information, which was read out of record carrier the note comes to user on the error detected.

EFFECT: improved stability of recording; improved stability in data recording.

125 cl 11 dwg

FIELD: information technologies.

SUBSTANCE: defect-management method on the unitary record optical media having at least one recordable layer is announced. The defect-management method includes selection steps of, at least one substituting zone and several temporary defect-management zones on the recording media. According to the defect-management method, recording of the defect-management information is performed, at least, in one of the temporary defect-management zones.

EFFECT: improved method of record and defect-management.

42 cl, 13 dwg

FIELD: information technologies.

SUBSTANCE: recording medium contains the data area storing, at least, several graphic streams, in, at least, its one part. Several graphic streams are multiplexed, and each graphic stream is the transport stream stored in the form of one or more packages. Each package has the package identifier, and packages of the same graphic stream have the same package identifier.

EFFECT: possibility of managing several graphic streams for an optical disk.

26 cl, 7 dwg

FIELD: information technology.

SUBSTANCE: recording medium with the data structure designed for playback control of at least static images recorded on the medium, contains the data area where at least one playback list is stored, connecting the first and the second files.

EFFECT: ensuring playing back static images recorded on the high-density medium based on the data structure also recorded on the high-density medium and designed to control the playing back of static images.

18 cl, 29 dwg

FIELD: information technology.

SUBSTANCE: method of data organisation similar to that of a RAM disc, is adapted for ROM disc in order to make the ROM disc compatible with the RAM disc. According to this method, buffer areas are formed, used as opening and closing areas for preceding and successive RUB (writable blocks) respectively, which are used as a reading/writing measurement unit. Besides, in the areas separated from each other by a distance of the interval length between the synchronising data in the successive RUB frames, the synchronising data (SA) fragments are written in such manner that the synchronising data in the signal read from the ROM disc always appear with equal intervals, which ensures the advantage in organisation and synchronisation.

EFFECT: possibility to create the ROM disc compatible with the RAM disc and having advantages in the synchronisation system.

6 cl, 21 dwg

FIELD: information technology.

SUBSTANCE: single-time writable disc has many update areas for writing updated information of a predefined type; it also has at least one main access information area (AIA) for writing the main access information (AI) which refers to the final update area among the mentioned array of the update areas, where the finally updated information is written; and at least one subordinate AIA for writing subordinate AI, which refers to the location of the finally updated information written in the final update area. The main AI is multiply written in the entire writing block in at least one of the mentioned main AIA. Besides, the AI includes the information on location of the mentioned array of the update areas, the information of the first flag, which refers to the final update area, and the information of the second flag, which refers to the location of the updated information written in the final update area.

EFFECT: reduction of the access time for reading the updated information required for the use of a single-time writable disc.

54 cl, 11 dwg

FIELD: information technologies.

SUBSTANCE: record medium contains data area, keeping video data of several reproducing channels. Video data of several reproducing channels are broken on one or more of interleaving blocks. Each interleaving block is connected with one of reproducing channels. Each interleaving block begins and finishes with reproducing channel change block and interleaving blocks, connected with different reproducing channels, interleave in data area.

EFFECT: record medium has data structure for video data reproducing control of several reproducing channels.

30 cl, 8 dwg

FIELD: information technologies.

SUBSTANCE: stated CD-R which allows data area distributing, its data area distribution method, data recording device and data reproduction method from CD-R. Specified disk includes preset section containing distribution information which points out if at least one segment of disk data area distributed for disk errors processing. In disk and in method information of data area distribution, which defines data area structure, is written in disk, providing possibility to recording/reproducing device to define data area structure. That is why for disk errors processing areas distribution is available such as reserve area, which differs from user data storage area, for data area.

EFFECT: area distribution for disk error processing allows effective using of CD-R.

17 cl, 18 dwg

FIELD: physics, measurement.

SUBSTANCE: invention relates to a recording medium, in particular, to an optical recording disk containing at least one recording track having a physical volume with addressable blocks. The recording medium contains at least one recording track containing an administration area and a physical volume of addressable logical blocks; the said physical volume is subdivided into a logical volume and at least one spare area; the said logical volume is physically continuous and only one spare area is located in the beginning of the physical volume. Alternatively, the said spare area is located in the end of the physical volume and has a size determined by the user during input.

EFFECT: development of recording medium with enhanced performance.

13 cl, 6 dwg

FIELD: physics, measurement.

SUBSTANCE: during writing data to a medium, when a certain data communication rate is required, the allocation control means located in the writing/reading device should allocate logical space sections so as to provide efficient filling of the said recording medium and to guarantee an adequate data communication rate even if faulty ECC blocks are present. The information allocation rules used by the allocation control means are complicated. These rules may be simplified by decreasing the value of the lower extent size limit and by increasing the extent size depending on the quantity of faulty ECC blocks contained in that extent.

EFFECT: simplification of control of data allocation on recording medium.

26 cl, 9 dwg

FIELD: invention is related to a device and a method for information recording and reproducing.

SUBSTANCE: ECC block is created using the RS (248, 216, 33). Of the data having a length of 216 bytes (symbols), only 16 bytes are dedicated to the BCA data, and the remaining 200 bytes are used for the fixed data having a predetermined value. Using the fixed data having 200 bytes and the BCA data having 16 bytes, parities having 32 bytes (symbols) are calculated. Only the BCA data of 16 bytes and the parities of the previous 16 bytes of the parities of 32 bytes, that is, a total of 32 bytes (symbols), are recorded to the recording areas with partitioning of the optical disc into packages. The fixed data of 200 bytes are used in decoding with error correction. The unrecorded parities of 16 bytes are processed as having been erased.

EFFECT: capability to enhance the error correction characteristics in the recording area with partitioning of the optical disc into packages.

21 cl, 19 dwg

FIELD: optical data carriers.

SUBSTANCE: for protecting optical disk from recording, information concerning protection from recording is read, which is previously recorded in at least one zone of starting or ending area of data carrier, and it is determined, whether the latter is in state of recording protection. In variant, when carrier is placed in cassette body, and body has aperture for forbidding recording protection of data on disk, it is determined, if recording protection state of recording protection data written on disk is matches with state of recording protection of said aperture, and recording of new data is prevented, if said protection data and aperture position forbid recording. In a variant information concerning recording protection is stored in zones of disk identification of at least one of zones of starting and ending area of carrier.

EFFECT: higher efficiency.

5 cl, 16 dwg

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