OSC: Audio Commands

Control per-source audio, master volume, routing, monitoring, and utilities.

Per-source audio

Address	Args	Description
/pmix/audio/{n}/volume	float 0–1	Set slot volume
/pmix/audio/{n}/mute	int 0/1	Set slot mute state
/pmix/audio/{n}/afv	int 0/1	Set audio-follow-video
/pmix/audio/{n}/routing	string	Set audio routing mode
/pmix/audio/{n}/boost	float	Set gain boost in dB (0, 6, or 12)

Split channel control

When routing is set to split, independent left/right control is available:

Address	Args	Description
/pmix/audio/{n}/L/volume	float 0–1	Set left channel volume
/pmix/audio/{n}/R/volume	float 0–1	Set right channel volume
/pmix/audio/{n}/L/mute	int 0/1	Set left channel mute
/pmix/audio/{n}/R/mute	int 0/1	Set right channel mute

Master volume

Address	Args	Description
/pmix/audio/master/volume	float 0–1	Set master volume

Audio routing modes

none (stereo pass-through), leftToMono, rightToMono, sumToMono, split

Monitoring and utilities

Address	Args	Description
/pmix/audio/monitor/enabled	int 0/1	Enable/disable local monitoring
/pmix/audio/monitor/source	string	Set monitor source: Program or Preview
/pmix/audio/testtone	—	Toggle test tone generator
/pmix/audio/mic	—	Toggle local microphone input

Examples

# Set slot 2 volume to 50%
oscsend <ipad-ip> 9000 /pmix/audio/2/volume f 0.5

# Mute slot 3
oscsend <ipad-ip> 9000 /pmix/audio/3/mute i 1

# Set audio routing to split for slot 1
oscsend <ipad-ip> 9000 /pmix/audio/1/routing s split

# Set left channel to 80%, right to 30%
oscsend <ipad-ip> 9000 /pmix/audio/1/L/volume f 0.8
oscsend <ipad-ip> 9000 /pmix/audio/1/R/volume f 0.3

# Set audio boost to 6 dB
oscsend <ipad-ip> 9000 /pmix/audio/1/boost f 6.0

# Toggle test tone / local mic
oscsend <ipad-ip> 9000 /pmix/audio/testtone
oscsend <ipad-ip> 9000 /pmix/audio/mic

# Monitor preview audio
oscsend <ipad-ip> 9000 /pmix/audio/monitor/source s Preview