G - Physics – 10 – L
Patent
G - Physics
10
L
G10L 19/00 (2006.01) G11B 20/10 (2006.01) H03M 7/30 (2006.01) H04N 7/24 (2006.01)
Patent
CA 2710560
A method of processing an audio signal is disclosed. The present invention includes receiving a downmix signal in-cluding at least one object signal and object information extracted when the downmix signal is generated, receiving mix information including mode selection information, the mix information for controlling the object signal, bypassing the downmix signal or ex-tracting a background object and at least one independent object from the downmix signal, based on the mode selection information, and if the downmix signal is bypassed, generating multi-channel information using the object information and the mix information, wherein the downmix signal corresponds to a mono signal and wherein the mode selection information includes information indi-cating which one of modes including a normal mode, a mode for controlling the background object, and a mode for controlling the at least one independent object.
L'invention concerne un procédé pour traiter un signal audio. Ledit procédé consiste à : recevoir un signal de mélange-abaissement comprenant au moins un signal d'objet et des informations d'objet extraites lorsque le signal de mélange-abaissement est émis; et recevoir des informations de mélange, notamment des informations de sélection de mode, pour commander le signal d'objet et éviter le signal de mélange-abaissement ou extraire un objet de fond sonore et au moins un objet indépendant du signal de mélange-abaissement en fonction des informations de sélection de mode; et à générer, lorsqu'on évite le signal de mélange-abaissement, des informations multicanal au moyen des informations d'objet et des informations de mélange. Le signal de mélange-abaissement correspond à un signal mono, et les informations de sélection de mode comprennent des informations indiquant lequel des modes est un mode normal, un mode de commande d'objet de fond sonore et un mode de commande de l'objet indépendant.
Jung Yang Won
Oh Hyen-O
Lg Electronics Inc.
Smart & Biggar
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