Zoom is testing multi-channel audio return, which would allow the plugin to send different audio mixes to different guests (e.g., music to Player 1, commentary to Player 2).
—the process of sending audio back to the guest without them hearing their own echo. vMix handles this routing automatically, ensuring a professional experience for the remote guest. Efficiency and Stability vmix zoom plugin
Because each guest becomes a discrete vMix Input, you can route them to separate NDI feeds for a second machine or record them as isolated (ISO) clips. This is essential for post-production edits where you need to cut between clean camera angles of each guest. Zoom is testing multi-channel audio return, which would