Sub-band periodic signal enhancement system
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United States of America Patent
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Nov 6, 2012
Grant Date -
Jan 3, 2008
app pub date -
Jun 4, 2007
filing date -
Oct 26, 2004
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Abstract
A signal enhancement system reinforces signal content and improves the signal-to-noise ratio of a signal. The system detects, tracks, and reinforces non-stationary periodic signal components of a signal. The periodic signal components may represent vowel sounds or other voiced sounds. The system may detect, track, and attenuate quasi-stationary signal components in the signal.
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