Method and Apparatus for Generating Sideband Residual Signal
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United States of America Patent
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Jul 28, 2015
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Jun 10, 2010
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Abstract
A method and an apparatus for generating a sideband residual signal. The method includes comparing energy of a first signal input by a first sound channel with energy of a second signal input by a second sound channel, if the energy of the first signal is greater than the energy of the second signal, generating a sideband residual signal by allocating a monophonic quantization error to the first signal, and if the energy of the first signal is smaller than the energy of the second signal, generating a sideband residual signal by allocating a monophonic quantization error to the second signal. By using the method and apparatus provided in the embodiments of the present invention, it can be avoided that a monophonic quantization error has a greater impact on a signal whose energy is smaller.
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