DOKK / manpages / debian 10 / japa / japa.1.en
JAPA(1) General Commands Manual JAPA(1)

japa - jack or alsa perceptual analyser

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

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.

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

Show summary of options.
Use jack.
Select jack server.
Use alsa.
Enable use of split ALSA devices.
If using alsa: Specify alsa device. Defaults to hw:0.0.
If using alsa: Specify sample frequency. Defaults to 48000.
If using alsa: Specify period size. Defaults to 1024.
If using alsa: Specify number of fragments. Defaults to 2.

jackd(1).

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