| Patent application number | Description | Published |
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| 20080226265 | Data Processing Method, Data Processing Device, Information Recording Medium, and Computer Program - There is provided an apparatus and a method for generating record data, guaranteeing seamless playback even in a case of occurrence of a jump. In a multilayer disc having a plurality of recording layers, it is configured that an allowable range of an intra-layer jump and an inter-layer jump carried out in a playback processing of an information recording medium is determined and a required time for the intra-layer jump and the inter-layer jump is calculated on the basis of the determined allowable jump range information so as to determine a data configuration requirement such as an allowable minimum consecutive data size of data to be stored in the information recording medium on the basis of the calculated required jump time. With the present structure, seamless playback is made possible even in a case of occurrence of not only an intra-layer jump but also an inter-layer jump. | 09-18-2008 |
| 20080253742 | RECORDING/REPRODUCTION APPARATUS AND METHOD AS WELL AS RECORDING MEDIUM - The invention provides a recording/reproduction apparatus and method as well as a recording medium wherein, when nondestructive editing is executed for an AV signal, the AV signal can be reproduced seamlessly without suffering from any interruption. Information representative of states (an A type, a C type, a D type, or an E type) of an IN point and an OUT point on a Clip, designated by a Playitem, of a Playlist in which at least more than one Playitems are arranged in the order of reproduction is described in a block Playitem( ). | 10-16-2008 |
| 20080267588 | Reproduction Device, Reproduction Method, Program, Program Storage Medium, Data Structure, and Recording Medium Fabrication Method - The present invention relates to a playback apparatus and a playback method which allow setting of picture-in-picture display, a program, a program storage medium, a data structure, and a recording-medium manufacturing method. Pip_metadata states information required for the picture-in-picture display. Pip_horizotal_position indicates, on the frame of a primary video, an X coordinate at the upper left corner of a sub display screen on which a secondary video is displayed. Pip_vertical_position indicates, on the frame of the primary video, a Y coordinate at the upper left corner of the sub display screen on which the secondary video is displayed. Pip_scale states information indicating the size of the sub display screen on which the secondary video is displayed. For example, pip_scale states the size ratio of the secondary video to the primary video, the scale ratio of the secondary video to its original image, or information indicating how many pixels is included in the sub display screen in each of the vertical direction and horizontal direction. The present invention is applicable to playback apparatuses. | 10-30-2008 |
| 20080285948 | Reproducing Device and Method, Program, Recording Medium, Data Structure, and Recording Medium Manufacturing Method - The present invention relates to a playback apparatus, a playback method, a program, a recording medium, a data structure, and a manufacturing method for a recording medium in which content to be played back can be switched between streams different from a main stream. A PlayList includes Main path for referring to Video and Audio within a main TS, Sub Path-A for referring to Secondary Video and Secondary Audio in a sub TS, and Sub Path-B for referring to Audio in a sub TS. STN_table( ), which is information for selecting Video and Audio in a clip AV stream file- | 11-20-2008 |
| 20090010437 | INFORMATION PROCESSING DEVICE, INFORMATION RECORDING MEDIUM, INFORMATION PROCESSING METHOD, AND COMPUTER PROGRAM - A data placement configuration which ensures seamless playback of contents having segment portions including multiple different variations of encrypted data is provided. With regard to contents having segment portions configured of multiple different variations of encrypted data to which individual segment keys have been applied, and non-segment portions serving as encrypted data to which a unit key has been applied, the placement of segment data and non-segment portion configuration data is determined such that the maximum jump distance executed at the time of playback processing is equal to or less than a maximum jump distance set beforehand. Data placement has been determined based on seek time, ECC block processing time, sequence key usage time which is key switchover time, and so forth. | 01-08-2009 |
| 20090028189 | DATA STRUCTURE, INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, TRANSMISSION DEVICE, TRANSMISSION METHOD, MULTIPLEXING DEVICE, MULTIPLEXING METHOD, AND PROGRAM - The present invention relates to a data structure, an information processing apparatus, an information processing method, a transmitting apparatus, a transmitting method, a multiplexing apparatus, a multiplexing method, and a program that ensure a receiving side to decode hierarchically coded audio streams each including a base stream and an extension stream. A TS packetizing section | 01-29-2009 |
| 20090041237 | INFORMATION PROCESSING APPARATUS, INFORMATION RECORDING MEDIUM MANUFACTURING APPARATUS, INFORMATION RECORDING MEDIUM, METHOD, AND COMPUTER PROGRAM - To provide a configuration in which a unit classification number corresponding to a content playback path is set based on various units. A unit classification number defining a playback path of content including encrypted data having different variations generated by encrypting a segment portion which forms the content by using a plurality of segment keys and encrypted content generated by encrypting a non-segment portion by a unit key is set based on various units, such as a content management unit and an index. In a CPS unit key file storing key generating information concerning CPS units as content management units, settings of unit classification numbers are indicated. Based on the CPS unit key file, a unit classification number to which content to be played back belongs can be obtained. | 02-12-2009 |
| 20090052469 | MULTIPLEXING DEVICE AND MULTIPLEXING METHOD, PROGRAM, RECORDING MEDIUM - The present invention relates to a multiplexer, a multiplexing method, a program, and a recording medium, whereby TS packets encoded with different encoding methods can be multiplexed. In the event of multiplexing each TS packet of a BS audio TS | 02-26-2009 |
| 20090148123 | Data transmission apparatus and data transmission method - A data processing apparatus receives files reproduced from a recording medium, the recording medium having recorded thereon an AV stream file and a PlayList file specifying a method of reproducing the AV stream file. The PlayList file is received. The received PlayList file and additional information associated with the PlayList file are recorded to a management information file for managing the PlayList file. | 06-11-2009 |
| 20090202000 | APPARATUS FOR ENCODING AND DECODING HEADER DATA IN PICTURE SIGNAL TRANSMISSION - Control data subsequent to an extension start code is stored in an encoding apparatus when transmitted after each header data of a video sequence layer, a GOP layer, a picture layer and a slice layer. And in transmission of the next header data, the content of the control data subsequent to the extension start code in the header data to be transmitted is compared with the content of the preceding header data of the same layer stored in the encoding apparatus. And if the result of such comparison signifies that the compared data are mutually the same, neither the extension start code nor the subsequent control data is transmitted. At the reception of each header data of the video sequence layer, the GOP layer, the picture layer and the slice layer, the control data decoded subsequently to the extension start code is stored in the decoding apparatus. And when the extension start code is not existent in the next header data to be decoded, the preceding header data of the same layer stored in the decoding apparatus is duplicated and used as the control data of the layer being currently encoded. | 08-13-2009 |
| 20090274435 | REPRODUCTION DEVICE, REPRODUCTION METHOD, RECORDING DEVICE, RECORDING MEDIUM, PROGRAM STORAGE MEDIUM, AND PROGRAM - The present invention relates to a reproduction apparatus by which a user can easily search for a desired scene of content data, a reproduction method, a recording apparatus, a recording method, a recording medium, a program storage medium, and a program. Information used for a search is recorded together with content data on an optical disc. The data to be recorded on the optical disc contains at least content data main body, scene description information for displaying a predetermined menu screen on an external display apparatus in the reproduction apparatus. Scene description information is recorded together with the content data on the optical disc, the scene description information being of a data structure in which information indicating an On point and an Out point of the scene and information for each scene in which a plurality of pairs of a search key and a value are defined are contained in amounts corresponding to the number of scenes The present invention can be applied to a recording apparatus a reproduction apparatus, and a recording medium such as an optical disc. | 11-05-2009 |
| 20100042417 | MULTIPLEXING APPARATUS, MULTIPLEXING METHOD, PROGRAM, AND RECORDING MEDIUM - A multiplexing apparatus for multiplexing audio data into transport stream (TS) packets includes a first encoding section encoding the audio data by a first encoding method; a second encoding section encoding the audio data by a second encoding method, which is a variable-length encoding method and which differs from the first encoding method, for attaching a timing value indicating a timing used when audio data is decoded in units of predetermined audio data; a packetization section packetizing the audio data encoded by the first encoding section and the audio data encoded by the second encoding section into TS packets and for attaching the same ID to a plurality of packetized TS packets; a determination section determining a TS packet to be multiplexed from among the plurality of TS packets packetized by the packetization section; and a multiplexing section multiplexing the TS packet determined by the determination section. | 02-18-2010 |
| 20100054462 | INFORMATION RECORDING/REPRODUCING APPARATUS AND METHOD - A block key to encrypt block data is generated using an ATS (arrival time stamp) appended to each of TS (transport stream) packets included in a transport stream correspondingly to the arrival time of the TS packet. The ATS is a random data depending upon an arrival time, and so a block-unique key can be generated, which enhances the protection against data cryptanalysis. A block key is generated from a combination of an ATS with a key unique to a device, recording medium or the like such as a master key, disc-unique key, title-unique key or the like. Since an ATS is used to generate a block key, any area for storage of an encryption key for each block may not be provided in a recording medium. | 03-04-2010 |
| 20100054711 | INFORMATION PROCESSING APPARATUS AND METHOD, PROGRAM STORING MEDIUM, RECORDING MEDIUM, AND PROGRAM - The present invention facilitates reading in advance information on addresses where data of each reproduction path to be reproduced is stored. Clip AV stream | 03-04-2010 |
| 20100080534 | INFORMATION PROCESSING APPARATUS AND METHOD, PROGRAM AND RECORDED MEDIUM - An AV stream, as an entity of contents, is managed by ClipInformation. The reproduction of the AV stream is managed by PlayList. The attribute information of the AV stream, that is the address information RSPN_arrival_time_discontinuity of the discontinuous point in the AV stream, the information EP_map and TU_map correlating the time information in the AV stream and the address information, and the time information ClipMark of a characteristic picture in the AV stream, are recorded in the ClipInformation. This enables a preset mark to be retrieved promptly. | 04-01-2010 |
| 20100142554 | MULTIPLEXER AND MULTIPLEXING METHOD, PROGRAM, AND RECORDING MEDIUM - The present invention relates to a multiplexer, a multiplexing method, a program, and a recording medium, whereby TS packets encoded with different encoding methods can be multiplexed. In the event of multiplexing each TS packet of a BS audio TS | 06-10-2010 |
| 20100142919 | Recording medium reproducing apparatus and method - The present invention relates to an apparatus and a method for reproducing a recording medium that require input of a code number only once when the code number is required to be inputted to both a directory and a PlayList for reproduction. A plurality of directories such as DVR, DVR | 06-10-2010 |
| 20100208559 | RECORDING MEDIUM, DATA RECORDING APPARATUS AND METHOD, DATA PLAYBACK APPARATUS AND METHOD, PROGRAM, AND RECORDING MEDIUM - The present invention enables audio data to be recorded or played back more easily. LPCM samples from an LPCM sample | 08-19-2010 |
| 20100215344 | TRANSPORT STREAM PROCESSING DEVICE, AND ASSOCIATED METHODOLOGY OF GENERATING AND ALIGNING SOURCE DATA PACKETS IN A PHYSICAL DATA STRUCTURE - A transport stream recording device, method thereof, transport stream reproduction device, method thereof, and recording medium for efficiently recording and reproducing transport streams. A source packet having a four byte TP_extra_Header attached to a 188 byte transport packet is generated, 32 source packets of 192 bytes each are collected, and aligned units generated equivalent to a three sector portion of data (6144 bytes) are recorded or reproduced on the recording medium. | 08-26-2010 |
| 20100253765 | INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, PROGRAM, AND DATA STRUCTURE - There is provided an information processing device enabling a content of 3D image to be appropriately reproduced from a recording medium. A virtual extent read out from a recording medium recorded with interleaved data obtained by dividing each of a base stream and an enhanced stream into extents Ext | 10-07-2010 |
| 20100268944 | INFORMATION PROCESSING DEVICE, DISC, INFORMATION PROCESSING METHOD, AND PROGRAM - A configuration is provided wherein usage restrictions of an application are determined in accordance with timestamps. A certificate revocation list (CRL) in which the revocation information of a content owner who is a providing entity of an application program recorded in a disc is recorded is referred to verify whether or not a content owner identifier recorded in an application certificate is included in the CRL, and in the case that the content owner identifier is included in the CRL, comparison between a timestamp stored in a content certificate and a CRL timestamp is executed, and in the case that the content certificate timestamp has date data equal to or later than the CRL timestamp, utilization processing of the application program is prohibited or restricted. According to the present configuration, a configuration is realized wherein an unrevoked application is not subjected to utilization restriction, and only a revoked application is subjected to utilization restriction. | 10-21-2010 |
| 20100310228 | REPRODUCTION DEVICE, REPRODUCTION METHOD, PROGRAM STORAGE MEDIUM, AND PROGRAM - The present invention displays subtitles in a language desired by a user in a desired format. A text data decoder | 12-09-2010 |
| 20100322044 | DATA PROCESSING METHOD, DATA PROCESSING APPARATUS, INFORMATION RECORDING MEDIUM, AND COMPUTER PROGRAM CROSS REFERENCES TO RELATED APPLICATIONS - There is provided an apparatus and a method determining a data arrangement that guarantees seamless reproduction even in a case of occurrence of a jump in a browsable slide show. An allowable jump range between an image data clip and an audio data clip required for data reading in the browsable slide show in which a consecutive reproduction processing of a still image and an audio reproduction processing are performed in parallel is determined so as to determine arrangement conditions of data to be stored in an information recording medium on the basis of the determined allowable jump range. This configuration enables the browsable slide show to be carried out as a seamless reproduction processing without any data discontinuity. Furthermore, it becomes possible to provide a plurality of combinations of readout rates of the audio data and image data. | 12-23-2010 |
| 20110075991 | APPARATUS AND METHOD FOR RECORDING AV STREAMS ONTO A RECORDING MEDIUM WITH REPRODUCTION PATH CHANGE POINT FEATURES - The present invention facilitates reading in advance information on addresses where data of each reproduction path to be reproduced is stored. Clip AV stream | 03-31-2011 |
| 20110115881 | DATA STRUCTURE, REPRODUCING APPARATUS, REPRODUCING METHOD, AND PROGRAM - The present invention relates to a data structure, a reproducing apparatus, a reproducing method, and a program which are applicable to various types of display and which facilitates signal processing performed in the displays. In a 3D video format according to the present invention, a base signal BS of a side-by-side image SbSP and an optional signal OS of a sub-image SuP obtained by collectively arranging three images described below regarding an L image LP of the side-by-side image SbSP are used. That is, the sub-image SuP includes a Depth image of the L image, an image hidden behind an object included in the L image, and a Depth image of the mage hidden behind the object. The present invention is applicable to 3D displays. | 05-19-2011 |
| 20110116762 | INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, PLAYING DEVICE, PLAYING METHOD, AND PROGRAM - The present invention relating to an information processing device, information processing method, playing device, playing method, and program that enables playing of stereo image (3D image) contents appropriately. | 05-19-2011 |
| 20110145432 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, PLAYBACK APPARATUS, PLAYBACK METHOD, AND PROGRAM - The present invention relates to an information processing apparatus, an information processing method, a playback apparatus, a playback method, and a program that are capable of appropriately playing back content of 3D images. | 06-16-2011 |
