Feature normalization inputs to front end processing for automatic speech recognition
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United States of America Patent
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May 29, 2018
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Jul 24, 2012
filing date -
Jul 24, 2012
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Abstract
A computer-implemented method is described for front end speech processing for automatic speech recognition. A sequence of speech features which characterize an unknown speech input is received with a computer process. A first subset of the speech features is normalized with a computer process using a first feature normalizing function. A second subset of the speech features is normalized with a computer process using a second feature normalizing function different from the first feature normalizing function. The normalized speech features in the first and second subsets are combined with a computer process to produce a sequence of mixed normalized speech features for automatic speech recognition.
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