Recording medium with a first management area for managing the first attribute and the second management area for managing the second attribute of the program recorded in the recording area

 

The invention relates to optically read the recording medium. The proposed recording medium in the form of a disk. The environment has two control region and program area. The first management area is used for managing the address information of the program recorded in the program area. Second control region separated from the first management area and the recorded information about the attributes of the program and/or recording environment. When playing back a recording medium, the first management region played first. Access to the second management area is based on the addresses are also recorded in the first management area. The technical result of the use of the invention is the ability to read additional symbolic information about the recorded program without using the specific means of decoding. 4 S. and 2 C.p. f-crystals, 17 ill.

The technical field to which the invention relates the Invention relates to a recording medium in the form of a disk having at least one programme area and the recorded area management information containing the record of the time elapsed since the beginning of the program, and the total absolute wimauma the form of a disk.

The prior art Format for recording data on such an optical disc includes the region table of contents 91 as a region, the control program area program 92 and the target area 93 in the quality area, closing the program, when viewed from the inner region to the outer edge of the optical disk, as shown in Fig.1.

In the optical disc having recorded audio data, the audio data is recorded and the program area 92, and the playback time for each program recorded on the optical disk, the number of programs and total playback time are determined by region table of contents 91.

When reading apparatus playback from disk audio data of the program area 92 is coming to an end, and the optical read head reaches the output area 93, the playback device with the drive terminates the playback operation with audio CD.

In accordance with Fig. 2, the playback device with the drive reads audio data from the optical audio CD 61 using an optical reader 62, and processes the audio data using the digital signal processing 66. The playback device from the disk gives the data obtained vosproizvedeniya and tracking (movement of the read head on the information track) received from the playback device from the disk is transferred to witness focusing system 70 and tracking system 71 for tracing the track of the record, respectively, while the signals of the tracking error is transmitted only on the tracking system the tracking and maintenance of tracks 71.

In this device, playback of the disc playback signal read from the optical audio CD 61 optical reader 62 and transmitted to the processing unit of the analog signal 64, which converts the signals play in a two-level signals at block 65 the selection of the synchronization signals and the processing unit clock signal (timer) 67.

The block selection signal synchronization 65 selects the synchronization signal frames of two-level signals based on the clock signal from the processing unit clock signal 67, and transmits this signal to the frame synchronization and clock signals to the processing unit digital signal 66. Duplex signals of which was dedicated law sync frames are transmitted to the device digital signal processing 66, which generates the clock signal of the playback signal vosproizvedeniya timer 67 are received at block 65 the selection of the synchronization signals and the block of the digital signal processing 66, and rotary servo-mechanism 72.

Device digital signal processing 66 decodes the audio signal, from which were selected personnel synchronization signals based on the clock signal from the block 67 and the reference clock signal oscillator 69, and passes the decoded digital signals to the detection unit incremental code 68, digital to analog Converter (DAC) 73 and the output 75 of the digital signal.

DAC 73 converts the digital signal into analog signals, which are fed to the amplifier 74. This amplifier 74 amplifies the analog audio signals from the DAC output 73 and outputs the amplified signal to a digital signal output 75 or analog outputs right channel R and the left channel L.

The detecting device extension code 68 selects the data of the P - and Q-channels, as will be explained hereinafter, of the digital signals from the output of the processing unit digital signal 66 and sends the data of the respective channels to the controller 76. This controller controls the device tracking and maintenance of tracks 71 on the basis of the data of the P - and Q-channels, which are decoded signal extension code.

The focus servomechanism 70 generates the control signals by focusing on the basics of what RowKey optical reader 62 to move vertically of the objective lens.

The rotary servo-mechanism 72 generates the control signals by rotation on the basis of the clock signal processing unit clock signal 67 and the reference clock signal oscillator 69 and transmits the control signal by the rotation of the motor 63 of the drive to control the rotation of the engine.

Device tracking and maintenance of tracks 71 generates the control signals tracking (automatic adjustment of the read head on the information track) on the basis of the signals of the tracking error from the optical reader 62 and sends control signals to the optical reading device 62 for controlling the tracking operation of this device.

Control signals for the positioning of the program produced by the control device 76 on the basis of the data extension code from P - and Q-channels. The signals of the motion control program is sent to the optical reader 62. The positioning control program of the device 62 in the programming mode, as will be hereinafter explained, is performed on the basis of the signals of the motion control program.

The programming mode is one of several playback modes with optical is the second region 92 reorganized in the play sequence.

In programming mode, the control unit 76 performs control so that the control signals positioning program was developed on the basis of data incremental code P - and Q - channels sent from the unit determine incremental code 68, while the management device tracking and maintenance of tracks 71 based on the control signal positioning programs and sample programs in the program area in the prescribed sequence of read audio data.

Data P - and Q-channels are discussed below. The signals recorded on the optical disc, is discretized with a sampling frequency of 44.1 kHz playback device from the disk, and then discretized data are combined in blocks of six samples each.

As shown in Fig.3, the format of the signals combined in block, includes for each block 85 24-bit region 81 synchronization data, 14-bit region 82 incremental code, area 83 program data, consisting of sixteen 14-bit fields D0... D15 for the program's data area 84 parity data, consisting of four 14-bit fields P0...P3 data parity, another area 83 program data and other area 84 data about ceedy block contains 85 588 bits.

Fig. 4 shows 98 described above blocks 85, in which the relevant area or part of the data is linked and reordered with the formation of the block 89. Each block consists of sections for sync blocks 86, section extension codes 87 and section data parity 88.

Data extension codes containing data of the P - and Q-channels sent from the device 68 detection of extension code in Fig.2, recorded in section 87, shown in Fig.4. Section 87 extension code is formed of 98 units from 01 to 98, with one block or block extension codes, as shown in Fig.5.

Blocks 01 and 02 contain codes code (block) synchronization and represent samples S0, S1, formed the "no rules" modulated "from 8 to 14" (EFM). Block 68 detection of extension code in Fig.2 detects synchronization codes as section 87 of incremental codes for one block. The appropriate bits of the blocks 98 01...contain channels P...W. for Example, the channel P consists of parts of S0 and S1, P01...R98.

Still 6-channel channel data R...W was used for special purposes, such as still images or displays lyrics for karaoke. The data of the P - and Q-channels are used for positioning control programs, such as the si signal "0" in the region table of contents 91, signals "0" and "1" between the audio data and the audio data otherwise in the programme area 92, and the signal repetition "0" or "1" by a pre-determined period in the trailing region, as shown in Fig.7. Information of the P-channel is used to determine the location of the program.

Information Q-channel is used as address information for the optical reader 62 in Fig.2 to perform the above operations provide access. As shown in Fig.6, each block incremental encoding Q-channel consists of a block of bits 111 synchronization block 112 bits of the control unit 113 bits of the address block 114 data bits and block 115 bits cyclic redundancy code (CRC).

Block 111 synchronization bits is two bits as the synchronization code. Block 112 bits control has four bits for the data records to determine the number of audio channels. Chetyrehpostovye data control block 112 are explained with reference to Fig.8.

Bit data 121 management define the 2-channel audio without predistortion, and bit data 122 management determine the 4-channel audio without predistortion. Bit data 123 management define the 2-channel audio data with predskazanijam, and bit the ut program data, non-audio data, such as optical data disk or CD-R. Bit block 113 address consists of 4 bits for recording the control signal that defines the format of the data in block 114 bit data. The bit data block 114 is a 72-bit data, as shown in Fig.9.

If the bit address is equal to "0001", then the bit data block 114 contains part 51 of the track number index part 52, part 53 minute component of the elapsed time, part 54 of the second component of the elapsed time, part 55 the number of blocks (frames) of the elapsed time, the zero part 56, part 57 minute component of absolute time, section 58 of the second component of the elapsed time, part 59 of the number of bits of the absolute time. Each section represents the 8-bit data. Note that the unit of the number of blocks recorded in the part 55 of the number of blocks of the elapsed time, and in part 59 of the number of blocks of absolute time, define the above block incremental encoding.

Part 51 of Fig.9 presents two digits in the binary-decimal (DD) view. For example, "00" indicates the initial region or area table of contents, while "01" to "99" indicate the number of programs, a "AA" indicates the position of the end citigo disk having recorded four programs. In part 51 of the programme are recorded data "00", the data "01" and data "AA" for the table of contents, program number 1 on the outermost track, respectively, as shown in Fig.7C. Data indicating the program number increases from "01" in accordance with the program number.

Index part 52 in Fig.9 presents in DD two digit representation. For example, "00" indicates a temporary stop or rest, while "01" to "99" to indicate units of the program, i.e. the subroutine. Program number 2 is divided into three parts, so that in the index section IX recorded "01-03", while the program number 3 is divided into two parts, and in the index section IX recorded "01-02", as shown in Fig.7d.

Part 53 minute component of the elapsed time, part 54 of the second component of elapsed time and part 55 the number of blocks elapsed time indicates the elapsed time in the program, two digits each, a total of 6 digits, as shown in Fig.9. Part 55 of the block number of the elapsed time represented by the numbers from "00" to "74". The number of blocks elapsed time is reduced in part of the P-channel between programs begins with a zero in each position of the program. Nolley track. Part 57 minute component of absolute time, part 58 second component of elapsed time and part 59 of the number of blocks of absolute time, as shown in Fig.9, are determined by two digits each, a total of six digits, DD view. If in the field of 91 table of contents in Fig. 1 index part 52 is A0 or A1, the part 57 of the component of absolute time specifies the first or last number of the program, respectively.

Part 58 of the second component absolute time and part 59 of the number of blocks of absolute time equal to "0" regardless of whether the part 52 A0 or A1. If the index portion 52 is A2, then the absolute time at which to start the trailing region 93 (Fig.1), is recorded in the portion 57 of the minute component of absolute time, part 58 second component of elapsed time and part 59 of the number of blocks of absolute time.

In addition, in the program area 92 (Fig.1) absolute time is recorded in the portion 57 of the minute components of absolute time, part 58 second component of elapsed time and part 59 of the number of blocks of absolute time after the starting position pause the first program for each upcoming "0".

Finally, the bit section 115 of the code for CRC, as shown (CRC code).

For programming mode information using the above data the Q-channel is determined by the block 68 incremental encoding device playback from disk and decoded, as shown in Fig.2. The controller 76 then controls the device 71 tracking and maintenance of track, signal-based decoding for performing fetch operation with optical reader 62.

Since temporal information regarding the number and content of the programs recorded in the information, using data from the Q-channel, this information is displayed on the display, such as liquid crystal, so that the elapsed playback time, the absolute time from the beginning or the number of the program on the optical disc that is being played can be displayed visually.

Recently began to be used in the playback device with the ROM, working with removable drives, while playing one desired disc from the set of disks located inside such a device. It is desirable to determine the optical disk for audiocassette, which must be played disc reproducing apparatus with removable drives. However, as the character info is that these types of data may not be reproduced on the display device.

Still the name of the program can be recorded on the optical disc by recording the name of each program in the channels R to W in the form of information additional codes or using part of the main signals for writing data to CD-ROM. However, enter the name of each program is rather time-consuming operation.

In the case of the playback device with the audio data recorded using a data format of a CD-ROM can only be decoded using the decoding devices this format and cannot be read without the use of specialized chips.

As a result, the playback device from CDs becomes expensive. Required symbol information is about 2 KB in size, leading to unproductive expenditures.

Summary of the invention the present invention is the creation of a recording medium that can record the character information, which can be read without the use of specific means of decoding, the method of reproducing from the disk and playback device with a recording medium in the form of a disk.

In one aspect the present invention provides for the recordings the first control region, in which recorded information about the absolute address of each program recorded in the program area, and the first control information, including information about absolute addressing all of the programs recorded in the program area, and the second control information, which is separated from the first control area, and in which is recorded the second control information includes information that defines the attributes of each program or the recording medium in the form of a disk.

Preferably, the first management area, program area and a second management area are in the order on the recording medium in the form of a disc from the inner edge to the outer, and the address information identifying the position of the entry of the second management area is recorded in the first management area.

Preferably the data recorded in the program area are audio data, and the attribute information managed second management area is information of at least one of the following: the name of the disk recording medium, information about the artist, title, program, information about the type (class) programs, the identification code number of the disk recording medium, and more, Vlada audio data and the attribute information managed second management area is at least one of the following: the minimum level, maximum level, middle level and the maximum frequency level of the program.

In another aspect the present invention provides a method for reproducing from a disk, having a first control area, utility area in which is recorded the program, managed by the first management area and the second management region, which recorded the second management information including attribute information that defines the program recorded in the program area. The first management area has recorded therein information about absolute addressing for each program recorded in the program area, information about absolute addressing for all programs recorded in the program area, and address information that identifies the second control region.

The method includes the steps of access (fetch) to the first control area for reading first management information recorded in the first management area, determining the initial position of the second control area based on time inform the tion, and access to the initial position of the second control area based on the result of detection by the phase detection to read the second control information.

Preferably the method includes the steps of sampling program area of the disk recording medium to read the program and display the first control information read at the step of reading the first control information and second control information read at the step of reading the second control information when the reproduction of the program is read during reading program.

In another aspect the invention provides a playback device to perform the above defined operations playback.

The above and other objectives, features and advantages of this invention will be better understood from the following detailed description of preferred embodiments of the present invention illustrated by the drawings.

List of drawings Fig.1 illustrates a data region for recording data on a conventional optical disk for audiocassette.

Fig. 2 is a block diagram showing the basic elements of a conventional playback device with disks.

Fig. 3 Fig is Obvodnogo encoding, having a layered structure of the blocks 98, shown in Fig.3.

Fig. 5 illustrates a section 87 incremental coding according to Fig.4 in cross section.

Fig.6 illustrates the data structure of the Q-channel.

Fig. 7a schematically shows an optical disk having four programs recorded on his recording environment.

Fig.7b schematically shows a P-channel optical disk recording medium having recorded four on her program.

Fig.7C schematically shows a section of the track number of the Q-channel optical disk on the recording medium with four written on it programs.

Fig. 7d schematically shows the index part of the Q-channel optical disk on the recording medium with four programs.

Fig. 7E schematically shows the elapsed time of the Q-channel optical disk on the recording medium with recorded four programs.

Fig.7f schematically shows the absolute time of the Q-channel optical disk on the recording medium with recorded four programs.

Fig.8 illustrates the control bit data Q-channel.

Fig.9 illustrates the data of the Q-channel of the usual tables of contents.

Fig. 10 schematically shows an optical disc as diskovnih on the optical disc.

Fig.12 shows an example of data in the first region table of contents optical audio CD for playback.

Fig. 13 shows an example of data in the second region table of contents optical audio CD for playback.

Fig.14 illustrates the format of data bits having the character data of the second region table of contents optical audio.

Fig. 15 illustrates the second control information of the optical disk for audiocassette.

Fig. 16 is a flowchart to illustrate the operation of the playback device from the disk in accordance with the present invention.

Fig. 17 is a block diagram showing the basic elements of the playback device with the disk in accordance with the present invention.

Information confirming the possibility of carrying out the invention In accordance with the drawings, in particular Fig.10 and 11, will be described in detail an optical disk recorded with audio data as the disk recording medium corresponding to the invention.

The optical disk 100 has a Central hole 101, as shown in Fig.10. The optical disk has a first region table of contents (TOC) as the first control area from the ub> to a temporary address And2the first closing region 3, i.e., the end region of the first programme areas from the temporary address And2before the temporary address And3the second region CBT 4 as the second control area from the temporary address And3before the temporary address And5the second software area 5 of the provisional address And5before the temporary addresses A6and the second end region 3 of the provisional address And6before the temporary address And7temporary address And0corresponds to the beginning point.

The first TOC area contains the recorded first control information about the audio data recorded in the first program area 2, such as the playback time of each of the audio data, the absolute time from the position of the first audio data and the time information that defines the second TOC area 4. The first programme area 2 has many of the audio data located before the initial point of the first closing region 3.

The second TOC area contains stored information relating to the attributes of the set of audio data in the first program area 2, as the second control information, such as codes of the name/identification of the optical disk 100, information about naswari for more information concerning the above-mentioned names or audio data.

The second TOC area also manages the attribute information of a program, such as the maximum level, middle level, the maximum frequency level and a minimum sound pressure level of the audio data, as well as the second control information, second control information is controlled by the Q-channel of the second TOC area 4. The data structure of the Q-channel for each block contains a block 111 bits synchronization unit 112 of the control bits, the block 113 address bits, the block 114 data bits and bit block CRC, as previously explained and shown in Fig.6. The said block can be considered as a unit incremental encoding, which was also described above.

If the data address bits of the block 113 address bits correspond to "1", which means "0001" in binary notation, the block 114 data bits contains a section 51, program number index section 52, section 53 of the minute component of the elapsed time, the section 54 of the second component of the elapsed time, section 55 of the number of blocks elapsed time, 0-section 56, section 57 minute component of absolute time, section 58 of the second component absolute time section 59 of the number of blocks of absolute time, as bylast 3 recorded in this format.

It should be noted that the unit of the number of blocks recorded in section 55 of the block number of the elapsed time, and section 59 of the number of blocks of absolute time, determines the above-mentioned block incremental encoding.

Each second is divided, for example, 75 blocks extension code.

Fig. 3 shows based on the block data of the Q-channel TOC area 1. In Fig.12, only the index number IX is represented in hexadecimal, and all other numeric symbols represented in decimal.

If the address data matches "1", i.e., "0001" in binary, and the index number IX is "A0", it means that the number of the first program recorded in the minute component PMIN absolute time, and if the index number IX is "A1", it means that the last number of the program recorded in the minute component PMIN absolute time. On the other hand, if the index number IX is "A2", then the absolute start time of the first closing region, i.e., time, inducing a temporary address And2in Fig.11 recorded in the minute component PMIN absolute time.

Thus, it is clear that on the optical disc with the contents of CBT such as shown in Fig.12, the first seven programs are AUDIOPRO the And0. I.e. this position corresponds to the temporary address And2in Fig.11.

On the other hand, the index number IX from "01" to "07" corresponds to the programs from the first to the seventh, and the absolute time of each program is recorded in PMIN, PSEC, and PFR. Absolute time is specified in minutes, seconds and blocks from the temporary address And0before the start of each program.

Below the block that contains the index number IX, equal, "07", contains the block address data of "5" or "0101" in binary notation. The address data of this block are the identifying data for decision-making whether or not the second TOC area 4 and the second closing region 6 shown in Fig.11. if the data recorded in the second TOC area 4, the block corresponding to "IN", recorded by the index number IX.

In Fig. 11 the starting point of the second TOC area 4 is located near the position A4, which corresponds to 33 minutes 36 seconds: 50 units that have elapsed since the temporary address And0. In particular, the position corresponding reduced by one minute from a4position towards the inner edge, and represents the starting point And3the second TOC area 4. The starting point And3the second TOC area 4 can Vychisl region, is summed with a fixed time of 1 minute 30 seconds, representing the starting point And3the second TOC area 4.

In conventional optical discs is no absolute time for the first TOC area is not set. On a disk recording medium according to the present invention, the block for which the index number IX is equal to "C0" is an absolute time, determining the starting position of the first TOC area 1 shown in Fig.11. Therefore, the value of 97 minutes: 22 seconds: 74 block is written to a temporary address Andt. The end position of the first TOC area 1, which is a temporary address And0in Fig.11, is located at position 99 minutes: 59 seconds: 74 block. Temporary address And0also specifies the absolute time is 0 minutes: 0 seconds: 0 blocks.

The maximum playing time for a CD is 74 minutes. The record in the temporary address And0and Atexceeds 74 minutes when using the present invention, which allows to obtain from a normal CD by recording time, where not recorded any data. The area from the temporary address Andtbefore the temporary address And0that is the region from position 97 minutes: 22 seconds: 74 block up to 99 mins>

If the first TOC area 1 indicates that the data should be recorded in the second TOC area 4, the optical disc playback has an area corresponding to the address bit data "6", or "0110" in binary notation. This field specifies the data recorded in the second TOC area 4. If the data recorded in the second TOC area 4, are grouped into blocks, all data different from the audio data, the number "4" or "0100" in binary notation, is used as control bits for the control bit block 112 of the second TOC area 4 shown in Fig.6.

Unit that uses a "1" or "0001" in binary notation, as address data, indicates that it is time information relating to the second program area 5 and the second trailing region, and the block that uses a "6" or "0110" in binary notation, as address data, indicates that there is recorded information about the attributes of the program the first program area.

In accordance with Fig.13, four blocks have the address code "1" as the absolute temporal components PMIN block having the index number IX, equal to "A0", and the block having the index number IX, equal to "A1" both equal ", what if to count from the first program area 2.

As component PMIN, component S absolute time and the number of blocks PFRM absolute time index number IX, equal to "A2" is equal to "64: 13: 02", it is clear that the second closing region 6 begins in positions for which the provisional value of 64 minutes: 13 seconds: 02 unit determines the elapsed time from the temporary address And0. This position corresponds to the temporary address And6in Fig.11.

As component PMIN, component RSES absolute time and the number of blocks PFRM absolute time index number IX, equal to "08" correspond to a time value of "33: 38:50", it is clear that the second closing region 5 starts at the position to which it is a temporary value 33 minutes 38 seconds: 50 unit determines the elapsed time from the temporary address And0. This position corresponds to the temporary address And5in Fig.11. The above block is a block incremental encoding and 75 blocks correspond to one second.

In accordance with Fig.11 this optical disk for audiocassette is an optical disk in which the temporary address And0is a reference point, a temporary address And1corresponds to the position for which you are about what her time is 31 minutes: 6 seconds: 50 unit; temporary address And4corresponds to the position for which the elapsed time is 33 minutes 36 seconds: 50 units; temporary address (A5corresponds to the position for which the elapsed time is 33 minutes 38 seconds:50 units; temporary address (A6corresponds to the position for which the elapsed time is 64 minutes: 13 seconds: 2 units; temporary address And7corresponds to the position for which the elapsed time is 65 minutes: 43 seconds: 2 unit; and in which the area from 97 minutes: 22 seconds: 74 block up to 99 minutes, 59 seconds: 74 block is located on the inner edge with respect to the temporary address And0this position 97 minutes: 22 seconds: 74 block is used as a temporary address And0while the scope of this up to 99 minutes, 59 seconds: 74 block to a temporary address And7used as the first TOC area 1.

Because there is a second closing module 6 duration 1 minute 30 seconds, then a temporary address And indicates the position of 65 minutes: 43 seconds: 2 units, as explained previously.

In accordance with Fig.14, if the address data matches "6", then the data block 114 Q-channel contains a section 11-program section attributes 12 and seven sections 13 character data. Each section is rocky information about software attribute.

The most significant bit (MSB) of section 11 of the programme indicates that the block is the last block of the character string information about software attribute. As for the remaining seven bits of "1" to "99" provided for numbers corresponding to the numbers of programs in the field of CBT 1, while "0" and the number "100" to "126" serve to classify the attributes of character strings, as explained below. If the MSB is "1", "128" summed to obtain the number of program TR.

For example, the block having the program number "01" in Fig.13, indicates that a character string formed by multiple sections 13 character data represent the name of the first program in the first program area 2, and the program number of the last block of the character string represents "129". If the character string represents data up to seven character data sections 13, the software number of the character string represented only unit whose program number is above the MSB.

For example, the block with the program number "131" has fewer than seven characters of character data, the track number of the block that has the data, not equal "03", "131".

A number of programs to "0" and "100" to "126" determines the classification of attributes of character strings for the respective specifies the name of the drive or the disc title, so "DISC Title ("DISC TITLE") is displayed as shown in Fig.13.

If you see a "DISC Title", you must write scope for nine characters. As only seven characters can be recorded in each block, the block in which there are two symbol "1" is written in the block having the program number "228", as shown in Fig.13.

The reason that number becomes "228", is that the program number is recorded in "100" for "DISC itl" and if there is a communication unit, "1" is set for the eighth bit (i.e. 100+2=228), so that the program number block, which must be bound in the following, becomes equal to 228.

In the block program number "101" of the identification number is displayed, as shown in Fig.15. However, when writing a character string to be displayed "DISC N1234567" as a number that defines the disk, the required area for 13 characters. As only seven characters can be recorded in each block, the remaining six characters are written in the block having the software number is equal to "229".

The unit has a software number equal to "102", there is written the character string representing the genre, recorded on the disc, "JAZZ" (jazz). Since this character string and the WMD, if the character string is less than seven characters, you only need one unit for its records, and, therefore, not required blocks for communication.

Section 12 of the attributes in Fig.14 has the first 4 bits indicate character codes, and the subsequent 4 bits representing a character sequence number. I.e. the index number IX (attribute number) in Fig.14 room, presents the first hexadecimal digit is the data representing the character codes, while the next hexadecimal digit is data representing the sequential number of characters.

Data representing the character code that indicates whether the data recorded in the character section 13 of the data block in the code Japanese Industrial standard (JIS) or in code, American National standard for International Information Interchange (ASCII). Sixteen types of character codes can be defined by the data defining the character codes.

Data representing the sequential number of the symbols indicate the number of blocks in the data presented by the track numbers, if the character string is located in lot of units. Using data indicating the sequence number of characters for each character string becomes possible extension up to a maximum of 16 block Data section 12 attributes of a character string equal to "00". The block with the program number "228", with the last character string that is the second block so that the data section 12 attribute equal to "01".

Section 13 character data in Fig.14 is data to specify characters by section 13 character data using the character code specified data representing character codes section of the 12 attributes.

In Fig. 13 the corresponding symbols are represented by characters in the font Roman or Arabic numerals to facilitate understanding. Each block has seven character pieces 13 of the data.

As in the case of conventional audio CDs, data are recorded in three copies in the first TOC area on the basis of the data, and the data thus recorded three times repeated. In the second TOC area data is recorded once again in the data.

In accordance with Fig.16 how to play with the disc for playback from a disc recording medium in accordance with the present invention begins with a step S1 at which the reading device to read from disk, such as an optical reading device, accesses the first TOC area 1, as shown in Fig.2. The program then proceeds to step S2.

At step S2 is reproduced perva the fasting device (RAM 33, Fig.17). The program then proceeds to step S4.

At step S4 on the basis of the reproduced content, the first TOC area 1 is determined whether there are any blocks in the index section 52 shown in Fig.9 recorded "IN". If not, the program then proceeds to step 35 for playback from an optical disc in normal mode.

If in step S4 it is determined that such blocks there are, the program determines that the disk is present in the second TOC area, and proceeds to step S6. At step S6, the reader reads the temporary address 33:36:50, as represented by the minute component MIN elapsed time second component Sec of elapsed time and number of block FRM elapsed time for a block whose index section 52 recorded data "IN", see Fig.12. The program then proceeds to step S7.

This temporary address 33:36:50 corresponds to the temporary address And4in Fig. 11. In this embodiment, the temporary address And4is a temporary address, which was one minute from the temporary address And3. At step S7 is set in advance in time, i.e., in this case 1 minute is subtracted from the temporary address And4, see Fig.11, thereby determining the temporary address to which the reader selects (reads) the initial position of the second TOC area 4 to play the second TOC area 4.

The program then proceeds to step S9. At this stage the contents of the second TOC area 4 is stored in the second storage device (RAM 34, Fig. 17), different from the first storage device. The program then proceeds to step S10.

At step S10, the reader gains access to the initial position of the first program stored in the first program area 2 in Fig.11, and stops waiting for a command input. The program then proceeds to step S11.

At step S11 enter the playback mode and the program of the first program area 2 begins to play. The program then proceeds to step S12.

At step S12 plays second control information including attribute information of the program, i.e. the contents of the second TOC area 4, stored in the second storage device, is displayed on the display device.

Fig. 17 illustrates a playback device with a drive to implement the above method of reproduction from the optical disk on which writing/formatting were performed as described above.

The playback device includes an optical reading device 22 as a reader and a controller 35. Optical the sky audio CD, it is shown in Fig.10 and 11, and the initial positions of the second TOC area 4 as in the second control area for reading first management information recorded in the first management area and the second management information recorded in the second TOC area 4. The controller 35 determines the starting position of the second TOC area 4, based on the address information to specify the second TOC area 4 in the first control area, a few optical reading unit 22, and controls the read operation of the second management area in the optical scanning device 22, based on the detection results.

According Fig.17, the output of the optical reading unit 22 is connected to the block 24 processing radio frequency (RF) signal. The output processing device 24 RF signal is connected to the tracking device management 25 and the digital signal processing unit 26. The output tracking control 25 is connected to the digital signal processing unit 26, the controller 35, the servo focus 27, the servo tracking 28, the servo device accompaniment tracks 29 and servo rotation 30. The outputs of the servo focus 27, servo training 28, servo assistance dioiketes 23 drive, the output of the digital signal processing equipment 26 is connected to the servo rotation 30.

In the digital signal processing unit 26, the output of the block decoder 31 is connected to the output 38 and the block allocation of incremental code 32, the output of which is connected to the controller 35.

The output of controller 35 is connected to the tracking device management 25, the first RAM 33, the second RAM 34 and the display 37. The outputs of the first RAM 33, the second RAM 34 and actuator 36 is connected to the controller 35.

The optical reader 22 reads the signals recorded on the optical disk 21, and sends the received signals to the processing device RF signal 24. The optical reader 22, a reading area shown in Fig.11, is controlled by signals from the outputs of the servo focus 27, servo tracking 28 and servo tracking track 29.

The device processing the RF signal 24 converts the RF signals received from the optical reader device 22, in the two signals at the same time detektywa signals, focus error signals and tracking maintenance, and sends these signals error on device tracking control 25. The device processing the RF signal 24 also allocates part of dagala 26.

The follow-up control device 25 generates signals for tracking control on the basis of error signals, tracking focus, FE, signals of the tracking error tracking signal and the tracking error tracking tracks from the device processing the RF signal 24, the first control signal read from the digital signal processing equipment 26 and the second control signal read from the controller 35, and transmits control signals for the actuators, respectively, to the servo focus 27, the servo tracking 28, the servo support the carriage 29 to control the reading carried out by the optical reading unit 22 by means of these servos. Control signals for the actuators are also transmitted to the controller 35.

The follow-up control device 25 also determines the components of the clock signals in the two signals and sends the detected components of the clock signals in the digital signal processing unit 26. The digital signal processing unit 26 generates control signals for the servo rotation on the basis of the clock signals from the tracking device management 25 and reference clock signals and control signals by the servo wrvo 31 decodes the data portion of the formed duplex signals, modulated in accordance with the EFM, and transmits the decoded data to the audio output 38 and the block selection 32 added code. Block allocation of incremental code 32 detects data extension code, i.e., the data of the P-channel and Q-channel from the decoded data received from the decoding device 31. These data are P-channel and Q-channel are transferred to the controller 35 for converting the first control signals read and supplied to the tracking device management 25.

The controller 35 selects the time information recorded in the TOC area 1 shown in Fig.11, on the basis of the signal of the servo control device servo control 25 and on the basis of data of the P-channel and Q-channel from the block allocation of incremental code 32, and sends this temporal information in the first RAM 33. The controller 35 also selects the second control information recorded in the second TOC area 4, and sends this information to the second RAM 34.

Below is illustrated the operation of selecting the second control information. In the brackets of the processing steps illustrated in Fig.16.

The optical reader 22 reads the TOC area 1 (step S1), and reproduces the first TOC area 1 (step S2). The controller 35 detects the data of the Q-sub> And4and a6shown on Fig.11, and sends the data in the first RAM 33 (step S3).

The controller 35 determines from this data whether the second TOC area 4 (step S4), and sends the second read control signals to the tracking device management 25 and causes the control signal forming actuators, which must be issued from the follow-up control device 25 to the optical reader 22 selected temporary address And4as shown in Fig.2 (step S6).

The controller 35 also subtracts one minute from time, determining a temporary address And4and determines the starting position of the second TOC area 4, i.e. a temporary address And3in Fig.11 (step S7).

The controller 35 also controls the operation of the optical reader device 22 as described above for optical reading device 22 has received access to the temporary address And3optical disk 21. The optical reader 22 reads the temporary address And from the optical disk 21 for reproducing data from the second TOC area 4 (step 38).

The controller 35 determines the second control information recorded in the second TOC area 4, data from the Q-channel, obtained the tion, and sends the information received in the second RAM 34 (step S9).

The controller 35 also selects necessary data from the first RAM 33 or the second RAM 34 in accordance with an input command from the control unit 36 and sends the data to the display 37.

Executive unit 36 executes the input command to select the desired data that should be displayed: the name of the optical disk 21, an identification number, a program name, artist name, genre (style) of the program and information about the maximum, average, maximum frequency and minimum levels in addition to the elapsed time of the current program, and sends the input command to the controller 35. The display 37 displays the information selected by the sensor 36, based on the supplied controller 35 of the data.

In the described technical revisions to the initial position of the second TOC area 4 shown in Fig.11, i.e., a temporary address And3, obtained by subtracting one minute from an arbitrary position in the second TOC area 4, which is the time specified temporary address And4.

This, however, is not limited by this invention. I.e. the result obtained and described above, can be achieved by an arbitrary change of the relative position of the time sitelogo position.

Although temporary address And4used in the above technical implementation to determine the temporary address And3this again is not limited by the present invention and a result similar to the one described above can be achieved by using, for example, the initial position of the first closing region, the initial position of the second program area or the starting position of the second closing region, i.e., temporary addresses And2And5or A6as the reference position.

Claims

1. The recording medium in the form of a disk containing the software area in which recorded at least one program; the first control region, which contains the absolute address information of each program recorded in the program area, and the first control information including an absolute address information of all programs recorded in the program area; a second control region, which is separated from the first control area and which recorded the second management information including attribute information indicating the attributes of at least each program recorded in the program area; in the order from the inner edge to the outer edge of the recording medium in the form of a disc, in which address information indicating the position of the entry of the second management area is recorded in the first management area in which the data recorded in the program area are audio data, and in which the attribute information managed second management area is at least one of the group, which includes information about the name of the recording medium in the form of a disc, information about the artist, information about the name of the programs, information about the types of programs, number of the identification code of the recording medium in the form of a disc and program-related informational message.

2. The recording medium in the form of a disk under item 1, characterized in that the attribute information recorded in the form of information additional code Q-channel.

3. The recording medium in the form of a disk under item 1, characterized in that the first control area unit recorded data extension code Q channel, where each data block includes various index number IX, represented in hexadecimal entries for indexing programs recorded in the program area, in addition in which to indicate that the data recorded in the second management area in the recorded index number IX, line the second region, in which recorded at least one program; the first control region, which contains the absolute address information of each program recorded in the program area, and the first control information including an absolute address information of all programs recorded in the program area; a second control region, which is separated from the first control area and which recorded the second management information including attribute information indicating the attributes of at least each program recorded in the program area in which address information indicating the position of the record of the second control area, recorded in the first management area in which the data recorded in the program area are audio data, and in which the attribute information managed second management area is at least one of the group, which includes the minimum sound pressure level, maximum level and the average level and the maximum frequency level of the program.

5. The recording medium in the form of a disk containing the software area in which recorded at least one program; the first control region, in which USA information including the absolute address information of all programs recorded in the program area; a second control region, which is separated from the first control area and which recorded the second management information including attribute information indicating the attributes of at least each program recorded in the program area in which the first management area, program area and a second management area are located in this order from the inner edge to the outer edge of the recording medium in the form of a disk in which address information indicating the position of the entry of the second management area is recorded in the first management area and in which data recorded in the program area are audio data and the attribute information, managed by the second management area is at least one of the group, which includes the minimum level, maximum level, middle level and the maximum frequency level of the program.

6. The recording medium in the form of a disk containing the software area in which recorded at least one program; the first control region, which contains the absolute address information of each program, the Yu of all programs, recorded in the program area; a second control region, which is separated from the first control area and which recorded the second management information including attribute information indicating the attributes of at least each program recorded in the program area, and in which address information indicating the position of the entry of the second management area is recorded in the first management area, and in which the first control area unit recorded data extension code Q channel, where each data block includes various index number IX, represented in hexadecimal entries for indexing programs recorded in the program area, in addition in which to indicate that the data recorded in the second management area in the recorded index number IX, corresponding to "B0", which is written for detection.

 

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