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AUDIO ACOUSTICS SIGNAL ENCODING APPARATUS, AUDIO ACOUSTICS SIGNAL DECODING APPARATUS, AUDIO ACOUSTICS SIGNAL ENCODING METHOD, AND AUDIO ACOUSTICS SIGNAL DECODING METHOD
AUDIO ACOUSTICS SIGNAL ENCODING APPARATUS, AUDIO ACOUSTICS SIGNAL DECODING APPARATUS, AUDIO ACOUSTICS SIGNAL ENCODING METHOD, AND AUDIO ACOUSTICS SIGNAL DECODING METHOD
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机译:音频声学信号编码装置,音频声学信号解码装置,音频声学信号编码方法和音频声学信号解码方法
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摘要
An audio sound signal encoding device includes: a converter that adds up all multiple channel signals included in multichannel voice sound input signals to generate an addition signal and generates a difference signal between channels of the multiple channel signals; a first encoder that encodes the addition signal in a coding mode in accordance with a characteristic of the addition signal to generate first encoded data; a second encoder that encodes the difference signal in the coding mode that was used for encoding the addition signal, to generate second encoded data; and a multiplexer that multiplexes the first encoded data and the second encoded data to generate multichannel encoded data.
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