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Method and system for encoding left channel and right channel of stereo audio signal selecting between two subframe models and four subframe models according to bit budget
Method and system for encoding left channel and right channel of stereo audio signal selecting between two subframe models and four subframe models according to bit budget
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机译:根据Bit预算编码两个子帧模型和四子帧模型的立体声音频信号的左声道和右声道的方法和系统
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摘要
A stereo sound encoding method and system for encoding left and right channels of a stereo sound signal, down mix the left and right channels of the stereo sound signal to produce primary and secondary channels, encode the primary channel, and encode the secondary channel. Encoding the secondary channel comprises analyzing coherence between coding parameters calculated during the secondary channel encoding and coding parameters calculated during the primary channel encoding to decide if the coding parameters calculated during the primary channel encoding are sufficiently close to the coding parameters calculated during the secondary channel encoding to be re-used during the secondary channel encoding.
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