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Signed-off-by: B. Watson <yalhcru@gmail.com> Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>
122 lines
3.5 KiB
Groff
122 lines
3.5 KiB
Groff
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.TH "JAAA" 1 "2021-11-29" "0.9.2" "SlackBuilds.org"
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.SH NAME
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jaaa \- JACK and ALSA Audio Analyser
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.\" RST source for jaaa(1) man page. Convert with:
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.\" rst2man.py jaaa.rst > jaaa.1
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.\" rst2man.py comes from the SBo development/docutils package.
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.SH SYNOPSIS
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.sp
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jaaa \fB\-J\fP [\fB\-name\fP \fIname\fP ] [\fB\-s\fP \fIserver\fP]
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.sp
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jaaa \fB\-A\fP [\fB\-name\fP \fIname\fP ] [\fB\-d\fP \fIdevice\fP] [\fB\-C\fP \fIdevice\fP ] [\fB\-P\fP \fIdevice\fP ] [\fB\-r\fP \fIrate\fP] [\fB\-p\fP \fIperiod\fP] [\fB\-n\fP \fInfrags\fP]
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.SH DESCRIPTION
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.sp
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jaaa is a graphical (X11) audio signal generator and spectrum analyser
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designed to make accurate measurements. For more information see
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/usr/doc/jaaa\-0.9.2/README.
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.sp
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In JACK mode (\fB\-J\fP), jaaa creates 8 input ports (for spectrum
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analysis) and 8 output ports (for signal generation), named
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\fIjaaa:in_<N>\fP and \fIjaaa:out_<N>\fP (where \fI<N>\fP ranges 1 to 8). By default,
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these aren\(aqt connected to anything; use e.g. \fBqjackctl\fP(1) or
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\fBjack_connect\fP(1) to connect to other JACK clients.
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.sp
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In ALSA mode, the inputs and outputs are connected directly to the
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ALSA device, meaning e.g. there will be 2 inputs and 2 outputs for a
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typical stereo audio card. If you get "Can\(aqt connect to ALSA", try a
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different device (use \fBalsamixer\fP(1) or \fBaplay\fP(1) to get a list
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of them).
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.SH OPTIONS
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.sp
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Either \fB\-J\fP or \fB\-A\fP is required.
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.INDENT 0.0
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.TP
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.B \fB\-h\fP
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Show built\-in help message.
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.TP
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.B \fB\-name\fP \fIname\fP
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Set X11 client name (and JACK client name, with \fB\-J\fP).
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.TP
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.B \fB\-J\fP
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Use JACK for audio. This option is available in JACK mode:
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.INDENT 7.0
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.TP
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.B \fB\-s\fP \fIserver\fP
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Connect to a specific JACK server. Default is \(aqdefault\(aq or
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\fB$JACK_DEFAULT_SERVER\fP environment variable.
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.UNINDENT
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.TP
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.B \fB\-A\fP
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Use ALSA for audio. These options are available in ALSA mode:
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.INDENT 7.0
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.TP
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.B \fB\-d\fP \fIdevice\fP
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ALSA device for capture and playback. This option sets the
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playback and capture devices to the same device. For separate
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capture and playback, use the \fB\-C\fP and \fB\-P\fP options.
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Default: \fBhw:0\fP unless \fB\-C\fP or \fB\-P\fP is used.
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.TP
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.B \fB\-C\fP \fIdevice\fP
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ALSA device for capture. Default: not used.
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.TP
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.B \fB\-P\fP \fIdevice\fP
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ALSA device for playback. Default: not used.
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.TP
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.B \fB\-r\fP \fIrate\fP
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Sample frequency. Default: 48000.
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.TP
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.B \fB\-p\fP \fIperiod\fP
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Period size. Default: 1024.
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.TP
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.B \fB\-n\fP \fInfrags\fP
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Number of fragments. Default: 2.
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.UNINDENT
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.UNINDENT
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.SH COPYRIGHT
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.sp
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See the file /usr/doc/jaaa\-0.9.2/COPYING for license information.
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.SH AUTHORS
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.sp
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jaaa was written by Fons Adriaensen <\fI\%fons@kokkinizita.net\fP>.
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.sp
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This man page written for the SlackBuilds.org project
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by B. Watson, and is licensed under the WTFPL.
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.SH SEE ALSO
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.sp
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\fBjackd\fP(1), \fBjapa\fP(1)
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.sp
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\fI\%https://kokkinizita.linuxaudio.org/linuxaudio/\fP
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.\" Generated by docutils manpage writer.
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