Recording medium, reproduction device and integrated circuit

H - Electricity – 04 – N

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Details

H04N 13/04 (2006.01) G11B 20/12 (2006.01) H04N 5/92 (2006.01)

Patent

CA 2749147

Provided is a recording medium on which are recorded a main-view stream, sub-view stream, and management information. The management information includes a system rate for each stream. Each stream is divided into a plurality of data blocks that form a plurality of extent blocks. In each extent block, main- view data blocks and sub-view data blocks are in a continuous interleaved arrangement. A main-view data block and sub-view data block forming a single pair each have a maximum size that is determined by the following conditions: (i) the system rate of the sub-view stream, (ii) whether the pair is the top pair within the extent block, and (iii) whether a long jump region exists between the recording areas of two extent blocks that are to be read continuously.

La présente invention concerne un support d'enregistrement sur lequel sont enregistrés un flux de visualisation principale, un flux de visualisation secondaire, et une information de gestion. L'information de gestion comprend le débit du système de chaque flux. Chaque flux est divisé en une pluralité de blocs de données et forme une pluralité de blocs d'étendue. Dans chaque bloc d'étendue, des blocs de données de visualisation principale et de blocs de données de visualisation secondaire sont disposés en alternance d'une manière continue. La valeur maximale de la taille du bloc de données de visualisation principale et du bloc de données de visualisation secondaire formant une paire unique est déterminée selon les conditions suivantes : (i) le débit du système du flux de visualisation secondaire ; (ii) si la paire est une première paire ou non dans un bloc d'étendue; (iii) la présence ou non d'une région de grand saut entre deux régions d'enregistrement d'étendue lues en succession.

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