Dynamic bit allocation subband excited transform coding method and apparatus
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United States of America Patent
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Aug 10, 1993
Grant Date -
N/A
app pub date -
Oct 15, 1990
filing date -
Oct 15, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In an adaptive subband excited transform speech encoding system, a range of quantizers are available and are dynamically selected for each window of speech. The quantizers designated for individual subbands are determined to minimize mean squared error distortion in the recreated signal while using no more than a predetermined number of quantization bits per window of speech.
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