Predictive split-matrix quantization of spectral parameters for efficient coding of speech
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United States of America Patent
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Sep 2, 1997
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N/A
app pub date -
Apr 3, 1995
filing date -
Apr 3, 1995
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Abstract
The present invention concerns efficient quantization of more than one LPC spectral models per frame in order to enhance the accuracy of the time-varying spectrum representation without compromising on the coding-rate. Such efficient representation of LPC spectral models is advantageous to a number of techniques used for digital encoding of speech and/or audio signals.
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