japa - jack or alsa perceptual analyser

       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)

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.

       japa - jack or alsa perceptual analyser

       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.

jackd(1).

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