Voiced speech coding and decoding using phase-adapted single excitation
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United States of America Patent
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Sep 15, 1998
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N/A
app pub date -
Jun 27, 1996
filing date -
Jun 28, 1995
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Expired
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Abstract
The present invention relates to a method and to equipment for coding and decoding a sampled speech signal. It belongs to systems used in speech processing, in particular for compression of speech information. The method is based upon a time/frequency description and on a representation of the prototype as a fundamental period of a periodic waveform; moreover the excitation of the synthesis filter is carried out through a single, phase-adapted pulse.
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