Signal pattern encoder and classifier
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United States of America Patent
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Nov 18, 1986
Issued Date -
N/A
app pub date -
May 2, 1980
filing date -
May 2, 1980
priority date (Note) -
Expired
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Abstract
An improved acoustic signal recognition system, suitable for speech or other acoustic pattern recognition, features data compression of original signal data to reduce requirements for data storage and comparison, as well as reduce recognition errors, the data is compressed by discarding signal spectral samples which do not vary from previously stored spectral samples by a threshold amount, using difference-gating.
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