Final output(PGM) audio control.
Open or close audio output of PGM for recording, live streaming, device outputing and local listening.
Open or close local listening .
Adjusting the volume of PGM .
Drag to change the size of the mixer window.
Source audio control. the number is the source index, as same as the order of source window in waiting area.
Mixing switcher, controls whether the audio of source is added into PGM.
Allow/Disallow synchronous switching between video and audio.
Adjusting the volume of source .