RussianPatents.com
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Content reproducing apparatus and recording medium. RU patent 2504916. |
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FIELD: physics. SUBSTANCE: disclosed is a content reproducing apparatus which can simultaneously switch a video ("V") image and a graphic ("G") image from 2D to 3D, having a program execution unit (30) which outputs a G image used for the 2D mode in a left-side G plane (120a) and outputs a G image used for the 3D mode in the left- and right-side G planes (120a, 120b), respectively; an AV reproducing unit (40), which outputs a V image used for the 2D mode in the left-side V plane (110a) and outputs a V image used for the 3D mode in the left- and right-side V plane, respectively; and a switching unit (80), which outputs a first synthesised image from images stored in the left-side V plane (110a) and left-side G planes (120a) during 2D reproduction, and is switched to output a second synthesised image from images stored in the right-side V plane (110b) and right-side G plane (120b), and a first synthesised image during 3D reproduction. Switching to the switching unit (80) is carried out in accordance with completion of the formation of a G image of one screen used for the 3D mode when switching from 2D to 3D mode. EFFECT: providing a control method which enables to switch a video image and a graphic image simultaneously from 2D to 3D when switching from 3D to 2D mode. 2 cl, 19 dwg
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Recording medium, playback device, system lsi, playback method, glasses and display device for three-dimensional images / 2502214 Playback device for playing back a video stream in accordance with playlist information comprises: a reading unit which reads out a transport stream file from the recording medium, said file being identified by the file reference information included in the playlist information; a decoder; a mode register storing an output mode of the playback device; and an output unit, wherein if the output mode is a planar-view output mode, the reading unit reads out the normal format transport stream file which is identified by a combination of file reference information included in the playlist information and a file extension which indicates that video streams are stored normally, and when the output mode is a stereoscopic-view output mode, the reading unit reads out the interleaved transport stream file which is identified by a combination of file reference information included in the playlist information and a file extension indicating that video streams are stored in an interleaved manner. |
Method of producing stereo images and device for realising said method / 2472193 Method involves line by line synchronous projection of prepared plane images of an object using two projectors located at a known base, optical axes of which are directed towards a coinciding point on a screen, by model construction of projective pyramids passing through projection points and boundary points of the prepared plane images of the object to its image on the screen, paired triangular planes, which are connected to the projection points, of which are similar. Optical axes of the projectors are set in one direction and enable to obtain equal volumes of the projective pyramids which rest on the stereo image of the object on the screen. The device consists of two optical projectors spaced apart on a known base, which provide simultaneous line by line projection of plane images of the object from arrays with records of its prepared plane images, an information reading synchroniser with line and frame sweep generators, which is connected to arrays, the output of which is connected to the optical projectors through a signal analyser. |
Device to record and reproduce stereo video information / 2421935 Device to record and reproduce stereo video information comprises a video information accumulator, including the first-third channels of colour signals R, G, B of the left frame of a stereo mate and the fourth-sixth channels of colour signals R2, G2, B2 of the right frame of a stereo mate, and the device includes the left and right flat panel screens and glasses of the divided field of vision. |
Personal computer / 2421771 Device has a first radio-transmitting device, having a code generator, a frequency synthesiser, a radio signal transmitter, pulse distributors, six encoders, a radio receiving device, having a channel for processing stereo-pair frame codes, each having a receiving registers, three decoders, three units for doubling readings, three frame code accumulators, three pulse amplifiers, as well as a right- and left-side flat panel screens and separate viewing field glasses. |
Data carrier storing data obtained by capturing at multiple angles, as well as method and device for playing back data obtained by capturing at multiple angles / 2418314 Audio-video data which are divided into clips which are recording elements are recorded onto a data carrier. Additional information relating to transition points is recorded in the area of the data carrier which is different from the area where the clips are recorded. The device for playing back data obtained by capturing at multiple angles includes a readable device which reads audio-video data from the data carrier, and a playback unit which plays back data read by the reading device, by searching for and playing back clips corresponding to the read data, where the read data are data for capturing at multiple angles, and when an instruction comes in for switching to another angle by playing back clips for another angle, starting with the transition point of the clip for the other angle. |
Depth perception / 2407224 Reproduction device is proposed to reproduce output image, comprising output pixels, on the basis of input image comprising input pixels, and on the basis of depth-related data elements corresponding to according input pixels. Unit of reproduction comprises the following components: unit of shift calculation for calculation of value shift, for application to input pixels on the basis of according depth-related data elements; and unit of interpolation to calculate output pixels on the basis of input pixels shift by according shift values. Unit of shift calculation is arranged with the possibility to provide for output value as the first one of shift values, which substantially equals zero, if according first one of input pixels complies with superposition, independently on according depth-related data element. |
Formation of three-dimensional image using proximity effect / 2388172 Invention relates to display devices and specifically to display screens. The result is achieved due to that a mobile device determines the distance and/or position of a user relative the device and corrects the three-dimensional image for improved viewing of the three-dimensional image at the detected distance and/or position. |
Stereoscopic video imaging method and device / 2350042 Stereoscopic video imaging device contains video cameras with converging optical axes, screens with polarisers in front, spectacles with analysers, beam-splitting plate through which screens are optically interconnected thus receiving effective transmitted and reflected light fluxes. Herewith the screens lying in vertical planes angularly are related to each other thus keeping symmetry of their central parts relative to the beam-splitting plate. The latter is inclined to the screen designed for receiving effective transmitted light flux, at an angle ϕ chosen from the range 0° to 90°, while screen inclination angle β is specified by ratio: β=2ϕ±α, where ϕ is angle of design screen inclination providing left and right images respectively. |
Method of playing back stereoscopic images from camcorder with converging axes / 2340116 Images from camcorders are played back on first and second screens, installed in vertical planes and optically interconnected using a beam splitter. The first and second screens are arranged symmetrically relative the beam splitter. At least one of the screens is turned about a vertical axis, passing through the centre of the screen, providing for observation of images from the first and second screens in different planes, intersecting at an angle 2a. Angle a is determined from the relationship: where V is the distance from the centre of the first screen to the observer; M is the increase in the frame, with which the image is played on the screen; f is the focal distance of objects of the camcorder; β is the angle of convergence of the optical axes of the objects of the camcorder. |
Method and system for creating spatial images / 2323542 System contains image reproduction device with a set of separate elements (αij) of image, positioned in form of a matrix, consisting of rows (j) and columns (i), and made with possible reproduction of individual elements which carry visual information, related to at least three types (Ak) (k=1...n, n≥3) of scene/object, and also one or several matrices, which consist of a set of separate wave or halftone filters, positioned in rows (q) and columns (p), made in form of filtration elements (βpq), which are positioned in direction of line of sight in front of image reproduction device with image elements (αij) and/or behind it, setting directions of expansion of visible radiation, emitted by elements (αij) of image, where at least in a fragment of at least one matrix the ratio of area, occupied by filtration elements (βpq), penetrable to light in given ranges of wave lengths, to total area of all filtration elements (βpq), multiplied by average number (n') of different types, reproduced for one row (j) of matrix of elements (αij) of image, exceeds one. |
Method and apparatus for processing video and audio data received in decoding system / 2483470 When a programme clock reference (PCR) is unavailable in a system, a system time clock (STC) is recovered by using a presentation time stamp (PTS) of video or audio data, or a linear combination result of the PTS of the video data and the PTS of the audio data. The STC is compared with the PTS of the currently captured video and audio data, and the current data processing mode is determined. The difference between the PTS of the video data and the PTS of the audio data is monitored. The absolute value of the difference is compared with a preset threshold value, and when the absolute value is greater than or equal to the threshold value, an asynchronous play mode is adopted as a system play mode; otherwise, a synchronous play mode is adopted as the system play mode. |
Encoding method, decoding method, encoding device, decoding device, program and integrated circuit / 2441340 Disclosed is an encoding method involving: defining access units; and an encoding each of the images included in the access unit for each access unit. Defining involves: encoding unit determination for determining whether to uniformly encode the images included in an access unit, uniformly encode on a field basis or frame-by-frame basis; and determining the type of field to determine whether to uniformly encode images as top fields or bottom fields when it has been determined that images included in the access unit must be encoded on a field basis. During encoding, each of the images is encoded for each access unit in a format defined when determining encoding units and the type of field. |
System and method of indicating interconnections of tracks in multimedia file / 2435235 In applications for local playback of files or in applications for single-address stream delivery with selection of an independently decoded track for a specific type of multimedia data, information on groups of alternative tracks is found first using a block of track interconnections and for the given type of multimedia data, one track is selected from the group of alternative tracks. If there is need to switch the stream, information on the group of the switched tracks is then found using the block of track interconnections. In multi-address applications with scalable streams or MDC streams, tracks in multilevel groups or MDC groups of tracks are found using the block of track interconnections and selected from all multilevel groups or MDC groups. |
Quick access to disk control information / 2401466 Record media contains at least one area for storing control information as well as area containing signals which indicate weather areas for storing disk control information are used or not. This area is located within the first area for storing control information. Method for information recording on record media contains step of access to the area containing signals which indicate weather areas for storing disk control information are used or not, step of determination from mentioned signals the last used area for storing disk control information and step of disk control information retrieval. |
Data recording medium, data recording device and method, data playback device and method, data recording/playback device and method, recording or playback management computer program, and data structure comprising control signal / 2388169 Invention relates to computer engineering and can be used for data recording or playback using a recording medium. The data playback device has a playback link for playing back content information, button information and playlist information, a generating link for generating a button menu based on the said button information, in indicating link for indicating one button page from several button pages, a control link for controlling the said generating link in order to generate a button menu formed by the said one button page, buffer memory for storing the generated button menu. |
Record medium, bearing video signal and at least one additional information signal / 2370833 Record medium is disclosed, as well as bearing video signal and at least one additional information signal, for instance signal of graphics or audio signal. This additional information signal is intended for reproduction simultaneously with mentioned video signal. Record medium additionally bears information of planning, which indicates, in which order parts of additional information signal or video signal should be read from mentioned record medium. Planning information makes it possible for reproduction device to read parts of video signal and additional information signal so that buffers are not overfilled or incompletely filled. |
Write-once optical disk and method of recording management data on it / 2361295 According to the invention there is represented write-once optical disk, method and device for recording management data on the optical disk. Method comprises recording information about open successive record region (SRR) on the record medium and erasing identification symbol of some SRR from information about open SRR as soon as some SRR closes. Open SRR data contains identifying code of some open SRR. Permissible amount of open SRR do not exceed preassigned number. Information about open SRR is recorded on the temporary defect management area (TDMA). |
Device and method of reproduction / 2356109 Method and device of reproduction are suggested. Reproduction device includes unit of reproduction, unit of input and unit of control. Unit of reproduction reproduces the first data of content. Unit of input receives operation for data search of content information associated with the first data of content. Unit of control performs data search of content information, when the first content is reproduced, and also controls unit of reproduction for reproduction of part of the second content data, which correspond to data of content information. |
Method for addressing recording of bit flow / 2246141 Data are organized in form of blocks of variable size and variable duration video-objects. For providing access a display list (address table) is used, based on portions of bit flow with constant size of each portion. List additionally has base value, which is not assigned to any of said portions. For receiving value of address, necessary for receiving required address, said value and all values of duration change to closest duration change for data portion appropriate for required address, are added with increasing total. Said base time value is selected for duration change values bits correspond with its weight to respective number of bits of the eldest binary digit of time marks of application. |
Method for addressing recording of bit flow, data carrier and device for recording bit flow on data carrier / 2246140 Data carrier uses address table, which assigns time information to given data portions and wherein each of said portions includes constant number of bits. Said portions contain data packets, for each input into address table. Each of said portions is assigned with value of duration change in time. Each such value is assigned with current index. Said value is difference between time of receiving first packet of portion data and time of receiving data packet, following directly after last data packet of this portion, to receive value of required address of goal portion on data carrier. All value of duration change in time for portion having said goal address are added to increasing total. Appropriate current index for inputting change of duration in time, related to said closest value of duration in time, is multiplied by given constant number of bits to calculate said address value of goal portion. |
Method for addressing recording of bit flow, data carrier and device for recording bit flow on data carrier / 2246140 Data carrier uses address table, which assigns time information to given data portions and wherein each of said portions includes constant number of bits. Said portions contain data packets, for each input into address table. Each of said portions is assigned with value of duration change in time. Each such value is assigned with current index. Said value is difference between time of receiving first packet of portion data and time of receiving data packet, following directly after last data packet of this portion, to receive value of required address of goal portion on data carrier. All value of duration change in time for portion having said goal address are added to increasing total. Appropriate current index for inputting change of duration in time, related to said closest value of duration in time, is multiplied by given constant number of bits to calculate said address value of goal portion. |
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