US Patent 7013274 Speech feature extraction system
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Patent abstract
The present invention provides a speech feature extraction system suitable for use in a speech recognition system or other voice processing system that extracts features related to the frequency and amplitude characteristics of an input speech signal using a plurality of complex band pass filters and processing the outputs of adjacent band pass filters. The band pass filters can be arranged according to linear, logarithmic or mel-scales, or a combination thereof.
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Patent Inventor Names
Yigal Brandman0
Date of Patent
March 14, 2006
0Patent Application Number
101732470
Date Filed
June 14, 2002
0Patent Primary Examiner
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US Patent 7013274 Speech feature extraction system
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