H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 5/85 (2006.01) G11B 27/00 (2006.01) G11B 27/034 (2006.01) G11B 27/036 (2006.01) G11B 27/10 (2006.01) G11B 27/11 (2006.01) G11B 27/32 (2006.01) G11B 27/34 (2006.01) H04N 9/804 (2006.01) H04N 9/806 (2006.01) H04N 9/888 (2006.01)
Patent
CA 2376090
A management system for a recording medium recorded with a multimedia data stream wherein in a first data made up of video and sound, an amount of data for a predetermined playback period is managed as a first unit (EU), an individually reproducible minimum unit of data in the first unit (EU) is managed as a second unit (VU), each of the first units (EUs) is adapted to have an equal period of playback time to others, and each of the second units (VUs) is adapted to have an equal period of playback time to others. In this management system, the positional information of the second unit (VU) on the recording medium is held as management information for every second unit, so that the positional information of the first unit (EU) on the recording medium is calculated based on the positional information of the second unit (VU) on the recording medium.
L'invention concerne la gestion d'un support d'enregistrement contenant des trains de données multimédia. On gère, en tant que premières unités (EU), des zones correspondant à un temps de lecture prédéterminé dans une première image et des données vocales. Des unités minimales de données de la première unité (EU), que l'on peut reproduire de manière indépendante, sont gérées en tant que secondes unités (VU). Les premières unités (EU) ont le même temps de lecture, ainsi que les secondes unités (VU). Les informations de position relatives à la seconde unité (VU) sur le support d'enregistrement sont considérées comme des informations de gestion sur chacune des secondes unités. Les informations de position concernant la première unité (EU) sur le support d'enregistrement sont déterminées par rapport aux informations de position sur la seconde unité (VU) sur ledit support.
G. Ronald Bell & Associates
Sharp Kabushiki Kaisha
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