Method and apparatus for estimating variability of background noise for noise suppression

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United States of America Patent

PATENT NO 10896685
APP PUB NO 20170372721A1
SERIAL NO

15684013

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Abstract

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An electronic device measures noise variability of background noise present in a sampled audio signal, and determines whether the measured noise variability is higher than a high threshold value or lower than a low threshold value. If the noise variability is determined to be higher than the high threshold value, the device categorizes the background noise as having a high degree of variability. If the noise variability is determined to be lower than the low threshold value, the device categorizes the background noise as having a low degree of variability. The high and low threshold values are between a high boundary point and a low boundary point. The high boundary point is based on an analysis of files including noises that exhibit a high degree of variability, and the low boundary point is based on an analysis of files including noises that exhibit a low degree of variability.

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Patent Owner(s)

  • GOOGLE TECHNOLOGY HOLDINGS LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jasiuk, Mark A Chicago, US 54 892
Ramabadran, Tenkasi V Oswego, US 40 854

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