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US 2009/0254352 A1Published application
Method and system for extracting audio features from an encoded bitstream for audio classification
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorYing Zhao
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Abstract
A method and system for extracting audio features from an encoded bitstream for audio classification. The method comprises partially decoding the encoded bitstream; obtaining uniform window block size spectral coefficients of the encoded bit-stream; and extracting audio features based on the uniform window block spectral coefficients.
Claims19
1-27. (canceled)
A method for extracting audio features from an encoded bitstream for audio classification, the method comprising:
- partially decoding the encoded bitstream;
- obtaining uniform window block size spectral coefficients of the encoded bitstream;
- and
- extracting audio features based on the uniform window block spectral coefficients.
1 more element
A system for extracting audio features from an encoded bitstream for audio classification, the system comprising:
- a decoder for partially decoding the encoded bitstream;
- a processor for obtaining uniform window block size spectral coefficients of the encoded bitstream;
- and
- an audio feature extractor for extracting audio features based on the uniform window block spectral coefficients.
1 more element
Dependencies are inferred from the claim text.