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aubiomfcc - a command line tool to compute Mel-frequency Cepstrum Coefficients


aubiomfcc source
aubiomfcc [[-i] source]
[-r rate] [-B win] [-H hop]
[-v] [-h]


aubiomfcc compute the Mel Frequency Cepstrum Coefficients (MFCC).

When started with an input source (-i/--input), the coefficients are given on the console,
prefixed by their timestamps in seconds.


This program follows the usual GNU command line syntax, with long options starting with
two dashes (--). A summary of options is included below.

-i, --input source
Run analysis on this audio file. Most uncompressed and compressed are supported,
depending on how aubio was built.

-r, --samplerate rate
Fetch the input source, resampled at the given sampling rate. The rate should be
specified in Hertz as an integer. If 0, the sampling rate of the original source
will be used. Defaults to 0.

-B, --bufsize win
The size of the buffer to analyze, that is the length of the window used for
spectral and temporal computations. Defaults to 512.

-H, --hopsize hop
The number of samples between two consecutive analysis. Defaults to 256.

-h, --help
Print a short help message and exit.

-v, --verbose
Be verbose.


Using the default parameters, the filter coefficients will be computed according to
Malcolm Slaney's Auditory Toolbox, available at the following url:

http://cobweb.ecn.purdue.edu/~malcolm/interval/1998-010/ (see file mfcc.m)

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