System and method for sound recognition
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United States of America Patent
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-
Aug 18, 1981
Issued Date -
N/A
app pub date -
Aug 1, 1979
filing date -
May 8, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Sounds produced by human or mechanical sources are recognized by comparison of certain waveform characteristic ratios with prestored ratios. Transitions and transition glides of characteristics are used to select certain stored groups of ratios for comparing.
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Cited Art Landscape
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