US Patent 8140329 Method and apparatus for automatically recognizing audio data
Patent 8140329 was granted and assigned to Sony on March, 2012 by the United States Patent and Trademark Office.
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A method and apparatus are proposed for automatically recognizing observed audio data. An observation vector is created of audio features extracted from the observed audio data and the observed audio data is recognized from the observation vector. The audio features include features are selected from a group of 3 types of features obtained from the observed audio data: (i) ICA features obtained by processing the observed audio data, (ii) first MFCC features obtained by removing a logarithm step from the conventional MFCC process, or (iii) second MFCC features obtained by applying the ICA process to results of a mel scale filter bank.
US Patent 08140329 Method and apparatus for automatically recognizing audio data US Patent 8140329 Method and apparatus for automatically recognizing audio data
US Patent 08140329 Method and apparatus for automatically recognizing audio data
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