1AUBIOMFCC(1)                  aubio User's manual                 AUBIOMFCC(1)
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NAME

6       aubiomfcc - a command line tool to compute Mel-Frequency Cepstrum Coef‐
7       ficients
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SYNOPSIS

10       aubiomfcc source
11       aubiomfcc [[-i] source]
12                 [-r rate] [-B win] [-H hop]
13                 [-T time-format]
14                 [-v] [-h]
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DESCRIPTION

18       aubiomfcc compute the Mel-Frequency Cepstrum Coefficients (MFCC).
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20       MFCCs are coefficients that make up for the mel-frequency  spectrum,  a
21       representation of the short-term power spectrum of a sound. By default,
22       13 coefficients are computed using 40 filters.
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24       When started with an input source (-i/--input),  the  coefficients  are
25       given on the console, prefixed by their timestamps in seconds.
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OPTIONS

28       This  program  follows the usual GNU command line syntax, with long op‐
29       tions starting with two dashes (--). A summary of options  is  included
30       below.
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32       -i, --input source
33              Run  analysis  on  this  audio  file. Most uncompressed and com‐
34              pressed are supported, depending on how aubio was built.
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36       -r, --samplerate rate
37              Fetch the input source, resampled at the  given  sampling  rate.
38              The  rate  should be specified in Hertz as an integer. If 0, the
39              sampling rate of the original source will be used.  Defaults  to
40              0.
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42       -B, --bufsize win
43              The  size  of  the  buffer to analyze, that is the length of the
44              window used for spectral and temporal computations. Defaults  to
45              512.
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47       -H, --hopsize hop
48              The  number  of  samples  between two consecutive analysis.  De‐
49              faults to 256.
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51       -T, --timeformat format
52              Set time format (samples, ms, seconds). Defaults to seconds.
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54       -h, --help
55              Print a short help message and exit.
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57       -v, --verbose
58              Be verbose.
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REFERENCES

61       Using the default parameters, the filter coefficients will be  computed
62       according  to  Malcolm Slaney's Auditory Toolbox, available at the fol‐
63       lowing url:
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65       https://engineering.purdue.edu/~malcolm/interval/1998-010/  (see   file
66       mfcc.m)
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SEE ALSO

69       aubioonset(1),   aubiopitch(1),  aubiotrack(1),  aubionotes(1),  aubio‐
70       quiet(1), and aubiocut(1).
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AUTHOR

73       This manual page was written by Paul Brossier <piem@aubio.org>. Permis‐
74       sion  is  granted to copy, distribute and/or modify this document under
75       the terms of the GNU General Public License as published  by  the  Free
76       Software  Foundation,  either version 3 of the License, or (at your op‐
77       tion) any later version.
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81aubio 0.4.9                     19 January 2022                   AUBIOMFCC(1)
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