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Chris Cannam, 2015-09-29 09:16 AM
Wiki¶
The MATLAB implementation of the Chroma Toolbox (by Ewert and Müller) provides the following audio features:
| Name | Description | Process |
| Pitch | Semitone pitch spectrogram | 88-bin elliptic filter bank, short-time energy summation |
| CP | Chroma | Pitch -> octave overlap -> various norm options |
| CLP | Chroma (log) | Pitch -> log compression -> octave overlap -> various norm options |
| CENS | Chroma energy-normalised statistics | Pitch -> octave overlap -> L1 norm -> quantize -> smooth and downsample -> L2 norm |