G - Physics – 10 – L
Patent
G - Physics
10
L
G10L 19/00 (2006.01)
Patent
CA 2645863
The present invention relates to a method for encoding and decoding object-based audio signal and an apparatus thereof. The audio decoding method includes extracting a first audio signal in which one or more music objects are grouped and encoded, a second audio signal in which at least two vocal objects are grouped step by step and encoded, and a residual signal cor¬ responding to the second audio signal, from an audio signal, and generating a third audio signal by employing at least one of the first and second audio signals and the residual signal. A multi¬ channel audio signal is then generated by employing the third audio signal. Accordingly, a variety of play modes can be provided efficiently.
L'invention se rapporte à un procédé permettant de coder et de décoder des signaux audio basés sur des objets, et à un appareil associé. Le procédé de décodage audio selon l'invention consiste : à extraire, d'un signal audio, un premier signal audio dans lequel un ou plusieurs objets musicaux sont groupés et codés, un deuxième signal audio dans lequel au moins deux objets vocaux sont groupés étape par étape et codés, et un signal résiduel correspondant au deuxième signal audio; à générer un troisième signal audio à l'aide du premier signal audio et/ou du deuxième signal audio et du signal résiduel; et à générer ensuite un signal audio multicanal à l'aide du troisième signal audio. L'invention permet ainsi de disposer d'une diversité de modes de lecture.
Kim Dong Soo
Lee Hyun Kook
Lim Jae Hyun
Pang Hee Suk
Yoon Sung Yong
Lg Electronics Inc.
Smart & Biggar
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