System for measuring speech content in sound
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United States of America Patent
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Apr 6, 2004
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N/A
app pub date -
Nov 11, 1998
filing date -
Nov 11, 1998
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Abstract
A system for measuring speech content in sound. The system determining time local speech-to-noise ratio for one or more bands. The system using a signal related to the power of the input signal or envelope and generating a time-dependent mean of the envelope and deviation of the envelope from the mean to estimate a time-dependent speech-to-noise ratio. The system providing single band or multiband speech-to-noise estimates for signal processing applications. The system realizable in analog, digital or analog and digital combinations.
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