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Scalable encoding and decoding of multichannel audio with up to five levels in subdivision hierarchy
Scalable encoding and decoding of multichannel audio with up to five levels in subdivision hierarchy
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机译:多通道音频的可扩展编码和解码,细分层次中最多具有五个级别
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摘要
In one embodiment, the method includes receiving an audio data frame having at least first and second channels. The first and second channels have been independently subdivided into blocks if the first and second channels are not correlated with each other, and the first and second channels have been synchronously subdivided into blocks if the first and second channels are correlated with each other and difference coding is used. The embodiment further includes obtaining subdivision information from the audio data frame. The subdivision information includes first information and second information. The first information indicates whether the first and second channels are independently subdivided or synchronously subdivided, and the second information indicates how the subdividing is performed. The first and second channels are decoded based on the obtained subdivision information.
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