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81 lines
1.6 KiB
Groff
81 lines
1.6 KiB
Groff
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.TH JAPA 1 "January 14, 2014"
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.SH NAME
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japa \- JACK or ALSA perceptual analyser
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.SH SYNOPSIS
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.B japa
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.RI { -h | -A | -J }
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.RI [ options ]
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.br
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.SH DESCRIPTION
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.B Japa
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(JACK and ALSA Perceptual Analyser), is a 'perceptual' or 'psychoacoustic'
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audio spectrum analyser. Possible uses include spectrum monitoring while mixing
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or mastering, evaluation of ambient noise, and (using pink noise), equalisation
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of PA systems. For more information see /usr/doc/japa-@VERSION@/README.
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.SH OPTIONS
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One out of
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.B \-A
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and
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.B \-J
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must be given.
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.TP
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.B \-h
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Show summary of options.
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.TP
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.B \-J
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Use JACK.
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.TP
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.B \-s <server>
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Select JACK server. Default is 'default' or $JACK_DEFAULT_SERVER environment variable.
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Only valid with
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.B \-J
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option.
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.TP
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.B \-A
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Use ALSA. Options
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.B \-d
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,
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.B \-C
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,
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.B \-P
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,
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.B \-r
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,
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.B \-p
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, and
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.B \-n
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are only valid with this option.
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.TP
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.B \-d <device>
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Specify ALSA device. Defaults to hw:0.0. This option sets the
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playback and capture devices to the same device. For separate capture and playback,
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use
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.B \-C
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and
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.B \-P
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instead.
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.TP
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.B \-C <device>
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Specify alsa capture device.
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.TP
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.B \-P <device>
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Specify alsa playback device.
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.TP
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.B \-r <rate>
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Specify sample frequency. Defaults to 48000.
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.TP
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.B \-p <period>
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Specify period size. Defaults to 1024.
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.TP
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.B \-n <nfrags>
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Specify number of fragments. Defaults to 2.
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.SH SEE ALSO
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.BR jackd (1).
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.SH AUTHOR
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japa was written by Fons Adriaensen <fons@kokkinizita.net>.
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.PP
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This manual page was written by Helmut Grohne <helmut@subdivi.de>,
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for the Debian project (but may be used by others). It was modified
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by B. Watson <yalhcry@gmail.com) for the SlackBuilds.org project,
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and may still be used by others.
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