Usage.Post Setup - minteeaa/stir GitHub Wiki

audio bitrate

you may find the default audio bitrate (320) is low and sounds compressed in VRChat; to remedy this, set the audio bitrate of the Track STIR uses to something larger (800 is recommended)

audio-bitrate

[!IMPORTANT]
when streaming into VRChat at Track bitrates higher than 320 using VRCDN, do not use RTSPT or RTMP; use MPEG-TS

sources

it is advised to mute the input source in the Audio Mixer to prevent overlapping input - the source will still output to STIR when muted in OBS

mute-obs

tracks

by default, the STIR source is set to output audio on Track 1, this will be customizable in the future, but for now make sure to double check the track configuration