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This document describes standard names of mixer controls.
Syntax: [LOCATION] SOURCE [CHANNEL] [DIRECTION] FUNCTION
DIRECTION:
<nothing> (both directions)
Playback
Capture
Bypass Playback
Bypass Capture
FUNCTION:
Switch (on/off switch)
Volume
Route (route control, hardware specific)
CHANNEL:
<nothing> (channel independent, or applies to all channels)
Front
Surround (rear left/right in 4.0/5.1 surround)
CLFE
Center
LFE
Side (side left/right for 7.1 surround)
LOCATION: (physical location of source)
Front
Rear
Dock (docking station)
Internal
SOURCE:
Master
Master Mono
Hardware Master
Speaker (internal speaker)
Bass Speaker (internal LFE speaker)
Headphone
Line Out
Beep (beep generator)
Phone
Phone Input
Phone Output
Synth
FM
Mic
Headset Mic (mic part of combined headset jack - 4-pin headphone + mic)
Headphone Mic (mic part of either/or - 3-pin headphone or mic)
Line (input only, use "Line Out" for output)
CD
Video
Zoom Video
Aux
PCM
PCM Pan
Loopback
Analog Loopback (D/A -> A/D loopback)
Digital Loopback (playback -> capture loopback - without analog path)
Mono
Mono Output
Multi
ADC
Wave
Music
I2S
IEC958
HDMI
SPDIF (output only)
SPDIF In
Digital In
HDMI/DP (either HDMI or DisplayPort)
Exceptions (deprecated):
[Digital] Capture Source
[Digital] Capture Switch (aka input gain switch)
[Digital] Capture Volume (aka input gain volume)
[Digital] Playback Switch (aka output gain switch)
[Digital] Playback Volume (aka output gain volume)
Tone Control - Switch
Tone Control - Bass
Tone Control - Treble
3D Control - Switch
3D Control - Center
3D Control - Depth
3D Control - Wide
3D Control - Space
3D Control - Level
Mic Boost [(?dB)]
PCM interface:
Sample Clock Source { "Word", "Internal", "AutoSync" }
Clock Sync Status { "Lock", "Sync", "No Lock" }
External Rate /* external capture rate */
Capture Rate /* capture rate taken from external source */
IEC958 (S/PDIF) interface:
IEC958 [...] [Playback|Capture] Switch /* turn on/off the IEC958 interface */
IEC958 [...] [Playback|Capture] Volume /* digital volume control */
IEC958 [...] [Playback|Capture] Default /* default or global value - read/write */
IEC958 [...] [Playback|Capture] Mask /* consumer and professional mask */
IEC958 [...] [Playback|Capture] Con Mask /* consumer mask */
IEC958 [...] [Playback|Capture] Pro Mask /* professional mask */
IEC958 [...] [Playback|Capture] PCM Stream /* the settings assigned to a PCM stream */
IEC958 Q-subcode [Playback|Capture] Default /* Q-subcode bits */
IEC958 Preamble [Playback|Capture] Default /* burst preamble words (4*16bits) */
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