NAME

       japa - jack or alsa perceptual analyser

SYNOPSIS

       japa {-h|-A|-J} [options]

DESCRIPTION

       Japa  (JACK  and  ALSA  Perceptual  Analyser), is a 'perceptual' or 'psychoacoustic' audio
       spectrum analyser. Possible uses include spectrum monitoring while  mixing  or  mastering,
       evaluation  of ambient noise, and (using pink noise), equalisation of PA systems. For more
       information see /usr/share/doc/japa/README.gz.

OPTIONS

       One out of -A and -J must be given.

       -h     Show summary of options.

       -J     Use jack.

       -s     Select jack server.

       -A     Use alsa.

       -C -P  Enable use of split ALSA devices.

       -d <device>
              If using alsa: Specify alsa device. Defaults to hw:0.0.

       -r <rate>
              If using alsa: Specify sample frequency. Defaults to 48000.

       -p <period>
              If using alsa: Specify period size. Defaults to 1024.

       -n <nfrags>
              If using alsa: Specify number of fragments. Defaults to 2.

SEE ALSO

       jackd(1).

AUTHOR

       japa was written by Fons Adriaensen <fons@linuxaudio.org>.

       This manual page was written by  Jaromír  Mikeš  <mira.mikes@seznam.cz>,  for  the  Debian
       project (but may be used by others).

                                          August 7, 2013                                  JAPA(1)