Tandem audio compression

Details Tandem audio compression Tandem audio compression

G - Physics

10

L

G10L 19/00 (2006.01) G10L 21/02 (2006.01)

Patent

CA 2344648

In a system in which an auxiliary data signal is conveyed with a decoded audio signal to assist in re-encoding, signature information is provided to assist in detecting changes in the decoded audio signal which would render the auxiliary data signal of little or no use in re-encoding. The signature information is most preferably included in the auxiliary data signal.

Dans un système dans lequel un signal de données auxiliaires est véhiculé avec un signal audio décodé devant aider au recodage, une information signature vient faciliter la détection des modifications affectant le signal audio décodé, lesquelles modifications sont susceptibles de rendre le signal de données auxiliaire de peu ou d'aucune utilisé pour le recodage. L'information signature est très préférablement incluse dans le signal de données auxiliaires.

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