7
8 SYNOPSIS
9 audioctl list-devices
10
11
12 audioctl show-device [-v] [-d device]
13
14
15 audioctl show-control [-v] [-d device] [control ...]
16
17
18 audioctl set-control [-v] [-d device] control value
19
20
21 audioctl save-controls [-d device] [-f] file
22
23
24 audioctl load-controls [-d device] file
25
26
27 DESCRIPTION
28 The audioctl command is used to control various settings and features
29 of audio devices, including mixer settings such as playback volume and
30 record gain.
31
32 SUBCOMMANDS
33 The audioctl command supports the following subcommands.
34
35 list-devices
36
37 List all the audio devices on the system.
38
39
40 show-device [-v] [-d device] [control ... ]
41
42 Display an informational overview of device (or the default device
43 if not specified). If the -v option is specified, then more detail
44 will be displayed.
45
46
47 show-control [-v] [-d device]
48
49 Display the control settings for one or more controls of a device
50 (or the default device if not specified). If no control is
51 specified, then the settings for all controls will be displayed. If
52 the -v option is specified, then more detail will be displayed.
53
54
55 set-control [-v] [-d device] control value
56
57 Set the control settings for a control of a device (or the default
58 device if not specified) to value. If the -v option is specified,
59 then more verbose output be displayed.
60
61
62 save-controls [-f] [-d device] file
63
64 Save all control settings of the device (or the default device if
65 not specified) to the named file. This subcommand will not replace
66 or modify an existing file unless -f (force) is specified.
67
68
69 load-controls [-d device] file
70
71 Load previously saved control settings from a file into a device
72 (or all audio devices if not specified).
73
74
75 ENVIRONMENT VARIABLES
76 AUDIODEV
77 The full path name of the default audio device to use if
78 one is not specified on the command line. If this variable
79 is not set, /dev/audio is used.
80
81
82
83 ATTRIBUTES
84 See attributes(5) for descriptions of the following attributes:
85
86
87
88
89 +--------------------+-----------------+
90 | ATTRIBUTE TYPE | ATTRIBUTE VALUE |
91 +--------------------+-----------------+
92 |Interface Stability | See below. |
93 +--------------------+-----------------+
94 The audioctl command and its subcommands are Committed. The names of
95 controls, their values, and device names are Uncommitted. The display
96 output is intended for human consumption, and is Not An Interface. The
97 format of the state files used by the save-controls and load-controls
98 subcommands is Committed Private.
99
100 SEE ALSO
101 audioplay(1), audiorecord(1), dsp(7I), mixer(7I), attributes(5)
102
103
104
105 March 18, 2011 AUDIOCTL(1)
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7
8 SYNOPSIS
9 audioctl list-devices
10
11
12 audioctl show-device [-v] [-d device]
13
14
15 audioctl show-control [-v] [-d device] [control ...]
16
17
18 audioctl set-control [-v] [-d device] control value
19
20
21 audioctl save-controls [-d device] [-f] file
22
23
24 audioctl load-controls [-d device] file
25
26
27 audioctl help
28
29
30 DESCRIPTION
31 The audioctl command is used to control various settings and features
32 of audio devices, including mixer settings such as playback volume and
33 record gain.
34
35 SUBCOMMANDS
36 The audioctl command supports the following subcommands.
37
38 list-devices
39
40 List all the audio devices on the system.
41
42
43 show-device [-v] [-d device]
44
45 Display an informational overview of device (or the default device
46 if not specified). If the -v option is specified, then more detail
47 will be displayed.
48
49
50 show-control [-v] [-d device] [control ... ]
51
52 Display the control settings for one or more controls of a device
53 (or the default device if not specified). If no control is
54 specified, then the settings for all controls will be displayed. If
55 the -v option is specified, then more detail will be displayed.
56
57
58 set-control [-v] [-d device] control value
59
60 Set the control settings for a control of a device (or the default
61 device if not specified) to value. If the -v option is specified,
62 then more verbose output be displayed.
63
64
65 save-controls [-f] [-d device] file
66
67 Save all control settings of the device (or the default device if
68 not specified) to the named file. This subcommand will not replace
69 or modify an existing file unless -f (force) is specified.
70
71
72 load-controls [-d device] file
73
74 Load previously saved control settings from a file into a device
75 (or all audio devices if not specified).
76
77
78 help
79
80 Display the usage message.
81
82
83 ENVIRONMENT VARIABLES
84 AUDIODEV
85 The full path name of the default audio device to use if
86 one is not specified on the command line. If this variable
87 is not set, /dev/audio is used.
88
89
90 ATTRIBUTES
91 The audioctl command and its subcommands are Committed. The names of
92 controls, their values, and device names are Uncommitted. The display
93 output is intended for human consumption, and is Not An Interface. The
94 format of the state files used by the save-controls and load-controls
95 subcommands is Committed Private.
96
97 SEE ALSO
98 audioplay(1), audiorecord(1), dsp(7I), mixer(7I)
99
100
101
102 February 8, 2020 AUDIOCTL(1)
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