|  | This document describes standard names of mixer controls. | 
|  |  | 
|  | Syntax: SOURCE [DIRECTION] FUNCTION | 
|  |  | 
|  | DIRECTION: | 
|  | <nothing>	(both directions) | 
|  | Playback | 
|  | Capture | 
|  | Bypass Playback | 
|  | Bypass Capture | 
|  |  | 
|  | FUNCTION: | 
|  | Switch	(on/off switch) | 
|  | Volume | 
|  | Route		(route control, hardware specific) | 
|  |  | 
|  | SOURCE: | 
|  | Master | 
|  | Master Mono | 
|  | Hardware Master | 
|  | Headphone | 
|  | PC Speaker | 
|  | Phone | 
|  | Phone Input | 
|  | Phone Output | 
|  | Synth | 
|  | FM | 
|  | Mic | 
|  | Line | 
|  | CD | 
|  | Video | 
|  | Zoom Video | 
|  | Aux | 
|  | PCM | 
|  | PCM Front | 
|  | PCM Rear | 
|  | 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 | 
|  |  | 
|  | Exceptions: | 
|  | [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) */ |