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35 .Nd set/display soundcard mixer values
42 .Op Ar lvol Ns Op : Ns Ar rvol
56 utility is used to set and display soundcard mixer device levels.
58 also be used to start and stop recording from the soundcard. The list
59 of mixer devices that may be modified are:
61 .Bd -ragged -offset indent
62 vol, bass, treble, synth, pcm, speaker, mic, cd, mix,
63 pcm2, rec, igain, ogain, line1, line2, and line3.
66 Not all mixer devices are available.
70 is run without any arguments, all supported devices are displayed
71 along with current values.
74 argument is specified, the value for the
76 device will be displayed.
78 To modify the mixer value
80 the optional left and right channel settings of
81 .Ar lvol Ns Op : Ns Ar rvol
86 arguments may be from 0 - 100. Omitting
88 and including only the channel settings will change the main volume level.
92 flag is used, the current mixer values will be displayed in a format suitable
93 for use as the command-line arguments to a future invocation of
97 To change the recording device you use one of:
98 .Bl -tag -width =rec -offset indent
102 of possible recording devices
106 to possible recording devices
110 from possible recording devices
112 sets the recording device to
116 The above commands work on an internal mask. After all the options
117 have been parsed, it will set then read the mask from the sound card.
118 This will let you see EXACTLY what the soundcard is using for the
121 The option recsrc will display the current recording devices.
130 .Bl -tag -width /dev/mixer -compact
132 the default mixer device
139 utility first appeared in
144 .An Craig Metz Aq cmetz@thor.tjhsst.edu
146 .An Hannu Savolainen .
148 .An John-Mark Gurney Aq jmg@FreeBSD.org .
150 manual page was written by
151 .An Mike Pritchard Aq mpp@FreeBSD.org .