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141 lines
3.7 KiB
Groff
141 lines
3.7 KiB
Groff
.\" Copyright (c) 1997
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.\" Mike Pritchard <mpp@FreeBSD.ORG>. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. Neither the name of the author nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY MIKE PRITCHARD AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd January 9, 1997
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.Dt MIXER 8
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.Os
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.Sh NAME
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.Nm mixer
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.Nd set/display soundcard mixer values
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.Sh SYNOPSIS
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.Nm
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.Op Fl f Ar device
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.Oo
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.Oo Ns
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.Ar dev Op Ar lvol Ns Op Ar :rvol
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.Li | recsrc |
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.Ar {^|+|-|=}rec rdev
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.Oc
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.Ar ... \&
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.Oc
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.Sh DESCRIPTION
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The
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.Nm
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command is used to set and display soundcard mixer device levels.
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It may
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also be used to start and stop recording from the soundcard. The list
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of mixer devices that may be modified are:
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.Pp
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.Bd -ragged -offset indent
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vol, bass, treble, synth, pcm, speaker, mic, cd, mix,
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pcm2, rec, igain, ogain, line1, line2, and line3.
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.Ed
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.Pp
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Not all mixer devices are available.
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.Pp
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When
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.Nm
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is run without any arguments, all supported devices are displayed
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along with current values.
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If the
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.Ar dev
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argument is specified, the value for the
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.Ar dev
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device will be displayed.
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.Pp
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To modify the mixer value
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.Ar dev ,
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the optional left and right channel settings of
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.Ar lvol Ns Op Ar :rvol
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may be specified. The
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.Ar lvol
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and
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.Ar rvol
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arguments may be from 0 - 100.
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.Pp
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To change the recording device you use one of:
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.Bl -tag -width =rec -offset indent
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.It ^rec
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toggles
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.Ar rdev
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of possible recording devices
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.It +rec
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adds
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.Ar rdev
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to possible recording devices
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.It -rec
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removes
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.Ar rdev
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from possible recording devices
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.It =rec
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sets the recording device to
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.Ar rdev
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.El
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.Pp
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The above commands work on an internal mask. After all the options
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have been parsed, it will set then read the mask from the sound card.
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This will let you see EXACTLY what the soundcard is using for the
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recording device(s).
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.Pp
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The option recsrc will display the current recording devices.
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.Pp
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The option
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.Fl f
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.Ar device
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will open
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.Ar device
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as the mixer device.
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This will ONLY work if the
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.Fl f
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option is immediately after the
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.Nm
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command.
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.Sh FILES
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.Bl -tag -width /dev/mixer -compact
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.It Pa /dev/mixer
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the default mixer device
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.El
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.Sh SEE ALSO
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.Xr cdcontrol 1
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.Sh HISTORY
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The
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.Nm
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command first appeared in
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.Fx 2.0.5 .
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.Sh AUTHORS
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Original source by
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.An Craig Metz Aq cmetz@thor.tjhsst.edu
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and
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.An Hannu Savolainen .
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Mostly rewritten by
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.An John-Mark Gurney Aq jmg@FreeBSD.org .
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This
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manual page was written by
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.An Mike Pritchard Aq mpp@FreeBSD.org .
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