Output Audio Channels
vMix supports eight independent stereo audio mixes or buses called Master (or M), A, B, C, D, E, F and G.
The output of this audio mixes can also be independently selected for the Recording, Stream and External Output as described below.
Enabling an Audio Bus/Mix
The Master mix is enabled at all times however, the A to G buses will only be enabled if a device is selected from the dropdown.
To enable the A to G buses, do one of the following in Settings -> Audio Outputs
1. Select Enabled from the dropdown box.
2. Select from the dropdown a free device and channel on an audio device (such an ASIO audio interface)
Audio Mix Channel Options
Master: 2 Channel Master mix
BusA: 2 Channel A mix
BusB: 2 Channel B mix
MA: 2 Channel Master + 2 Channel A (4 channels)
MAB: 2 Channel Master + 2 Channel A + 2 Channel B (6 channels)
MABC: 2 Channel Master + 2 Channel A + 2 Channel B + 2 Channel C (8 channels)
MABCDEFG: 16 channels
Selecting the Audio Mix
Select the audio mix from the dropdown box next to Audio in Recording Setup
NOTE: Only the AVI video format and the WAV File Record options supports more than 2 channels, if a 4 or 6 channel option is selected here for other formats
then only the first 2 channels will be included.
Select the audio mix from the Channels dropdown box in Streaming Quality Settings
Select the audio mix from the Audio Channels dropdown box in Settings -> External Output
AJA and Blackmagic devices support 2, 4, 6 and 8 channel output. When embedding up to 8 channels in SDI, the remaining
8 channels will be left silent.