Method and apparatus for decoding an audio signal

Details Method and apparatus for decoding an audio signal Method and apparatus for decoding an audio signal

G - Physics

10

L

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

Patent

CA 2620030

The invention relates to a method for decoding an audio signal, to allow an audio signal to be compressed and transfered more efficiently. The inventive method comprises steps of receiving an audio signal with spatial information signal, obtainning location information using the number of time slot and parameter of audio signal, establishing a multi-channel audio signal by applying spatial information signal to down-mix signal, and performing a multi- channel array for a multi-channel audio signal in response to the output channel.

La présente invention concerne un procédé de décodage de signal audio, permettant une décompression et un transfert plus efficace d'un signal audio. Ce procédé consiste à recevoir un signal audio ou avec un signal d'information spatiale, à obtenir des informations de localisation utilisant le numéro de fenêtre temporelle et un paramètre de signal audio, à obtenir des informations de localisation au moyen du numéro de fenêtre temporelle et du paramètre de signal audio et, à établir un signal audio multicanal en appliquant un signal d'information spatiale au signal de mélange-abaissement et en effectuant un réseau multicanal pour un signal audio multicanal en réponse au canal de sortie.

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