G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 20/12 (2006.01) G11B 20/10 (2006.01) G11B 27/034 (2006.01) G11B 27/32 (2006.01) H04N 7/24 (2006.01)
Patent
CA 2537624
A record carrier is described carrying a video signal and at least one additional information signal, such as graphics or audio. The at least one additional information signal is meant to be reproduced simultaneously with said video signal. The record carrier further carries scheduling information indicating in which order parts of the at least one additional information signal or video signal have to be read from said record carrier. The scheduling information enables a reproducing device according to the invention to read parts of the video signal and the additional information signals such that no buffer overflow or underflow occurs. The size of the buffers in the apparatus can be reduced by means of the scheduling information.
L'invention concerne un support d'enregistrement comportant un signal vidéo et au moins un signal d'information supplémentaire, par exemple du type graphique ou audio. Ce signal d'information supplémentaire est destiné à être lu simultanément avec ledit signal vidéo. Le support d'enregistrement comporte également des informations d'ordonnancement indiquant dans quel ordre des parties dudit signal d'information supplémentaire ou du signal vidéo doivent être lues sur ledit support d'enregistrement. Ces informations d'ordonnancement permettent à un dispositif de lecture selon l'invention de lire des parties du signal vidéo et des signaux d'information supplémentaires de sorte qu'il ne se produise aucune surcharge ou sous-utilisation des tampons, la capacité des tampons de l'appareil pouvant ainsi être réduite grâce à ces informations d'ordonnancement.
Koninklijke Philips Electronics N.v.
Smart & Biggar
LandOfFree
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