Method and apparatus for encoding and decoding residual signal
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United States of America Patent
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May 21, 2013
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Feb 17, 2011
app pub date -
Jul 7, 2010
filing date -
Aug 17, 2009
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Abstract
A residual signal decoding method including dividing a signal into a plurality of sub-bands in a frequency domain, wherein the signal is in a residual signal and is encoded with respect to an effective residual signal exceeding a masking curve that is generated with respect to a multi-channel audio signal, transforming the frequency domain into a time domain, and restoring the signal as an effective residual signal by synthesizing signals of the domain-transformed sub-bands.
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