Audiovisual encoding system with a reduced number of audio...

G - Physics – 06 – T

Patent

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G06T 9/00 (2006.01) G11B 27/034 (2006.01) H04N 7/26 (2006.01) H04N 7/30 (2006.01) H04N 7/50 (2006.01) H04N 9/804 (2006.01) H04N 9/806 (2006.01) G11B 27/30 (2006.01) G11B 27/32 (2006.01) G11B 27/34 (2006.01) H04N 7/52 (2006.01)

Patent

CA 2201369

An audiovisual encoding system using a multipass video encoder (50) and a plurality of one-pass audio encoders (70a, 70b, 70c and 70d). The number of audio encoders used by the system is equal to the number of audio tracks to be encoded divided by the number of passes required for the video encoding rounded up to the nearest integer, if necessary. The system allows the video encoder (50) and audio encoders (70a, 70b, 70c and 70d) to be used at the same time so that the encoding of the video is completed at the same time as the encoding of all audio tracks is completed, using the minimum number of audio encoders (70a, 70b, 70c and 70d).

Système de codage audiovisuel dans lequel on utilise un codeur vidéo (50) nécessitant plusieurs passages, ainsi qu'une pluralité de codeurs audio (70a, 70b, 70c, et 70d) ne nécessitant qu'un seul passage. Le nombre de codeurs audio utilisé dans ce système est égal au nombre de pistes audio à coder, divisé par le nombre de passages requis pour le codage vidéo et arrondi au nombre entier le plus proche si nécessaire. Ce système permet d'utiliser en même temps le codeur vidéo (50) et les codeurs audio (70a, 70b, 70c et 70d) de sorte que le codage de la bande vidéo s'effectue en même temps que celui de toutes les pistes audio, à l'aide d'un nombre minime de codeurs audio (70a, 70b, 70c et 70d).

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