NAME

       sndfile-spectrogram - generate a spectrogram from an input sound file

SYNOPSIS

       sndfile-spectrogram [options] <sound file> <img width> <img height> <png name>

DESCRIPTION

       sndfile-spectrogram reads a single channel sound file and generates a spectrogram which is
       written to a PNG file with specified image height and width.

       The optional parameters allow the user to specify the dynamic  range  of  the  spectrogram
       plot  and/or  to  disable  the  drawing  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>.

                                        December 14, 2009                  SNDFILE-SPECTROGRAM(1)