2 .\" Mike Pritchard <mpp@FreeBSD.ORG>. All rights reserved.
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28 .\" $FreeBSD: src/usr.sbin/mixer/mixer.8,v 1.10.2.7 2003/03/11 21:13:51 trhodes Exp $
29 .\" $DragonFly: src/usr.sbin/mixer/mixer.8,v 1.5 2006/03/26 22:56:58 swildner Exp $
36 .Nd set/display soundcard mixer values
48 .Op : Oo Cm + | - Oc Ar rvol
71 utility is used to set and display soundcard mixer device levels.
73 also be used to start and stop recording from the soundcard. The list
74 of mixer devices that may be modified are:
76 .Bd -ragged -offset indent
77 vol, bass, treble, synth, pcm, speaker, mic, cd, mix,
78 pcm2, rec, igain, ogain, line1, line2, and line3.
81 Not all mixer devices are available.
83 Without any arguments,
85 displays the current settings for all supported devices, followed by information
86 about the current recording input devices.
89 argument is specified,
91 displays only the value for that
94 To modify the mixer value
96 the optional left and right channel settings of
97 .Ar lvol Ns Op : Ns Ar rvol
102 arguments may be from 0 - 100. Omitting
104 and including only the channel settings will change the main volume level.
106 If the left or right channel settings are prefixed with
110 the value following will be used as a relative adjustment, modifying the
111 current settings by the amount specified.
115 flag is used, the current mixer values will be displayed in a format suitable
116 for use as the command-line arguments to a future invocation of
120 To change the recording device you use one of:
121 .Bl -tag -width =rec -offset indent
125 of possible recording devices
129 to possible recording devices
133 from possible recording devices
135 sets the recording device to
139 The above commands work on an internal mask. After all the options
140 have been parsed, it will set then read the mask from the sound card.
141 This will let you see EXACTLY what the soundcard is using for the
144 The option recsrc will display the current recording devices.
155 will print a help and exit
157 .Bl -tag -width /dev/mixer -compact
159 the default mixer device
166 utility first appeared in
171 .An Craig Metz Aq cmetz@thor.tjhsst.edu
173 .An Hannu Savolainen .
175 .An John-Mark Gurney Aq jmg@FreeBSD.org .
177 manual page was written by
178 .An Mike Pritchard Aq mpp@FreeBSD.org .