sndfile-spectrogram
generate a spectrogram from an input sound file
Synopsis
sndfile-spectrogram
[options] <sound file> <img width> <img
height> <png name>
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description
sndfile-spectrogram
reads a single channel sound file and generates a
spectrogram which is written to a PNG file with specified
imahe height and width.
The optional
parameters allow the user to specify the dynamic range of
the spectrogram plot and/or to disable the darwing of
borders, scales, heat map and title. Run
"sndfile-spectrogram --help" for
more information.
The input file
is read using libsndfile
(http://www.mega-nerd.com/libsndfile/), the
spectrogram is calculated with the help of libfftw and the
spectrogram is rendered and written to the output file using
libcairo.
author
This manual
page was written by Erik de Castro Lopo
<erikd@mega-nerd.com>.