vMix configuration for an RTMP broadcast with 2 languages
Sending two languages in a single stereo channel (languages panned L+R) is possible with any encoder that supports RTMP (e.g. OBS Studio, Wirecast, vMix ...).
Event configuration in Clevercast
When creating an event in Clevercast, choose RTMP stereo broadcast with 2 languages (L+R) as the broadcast protocol.
After your event has been created, go to the Broadcast tab of your event in Clevercast. Settings should like the ones in the image below.
Copy the URL and stream key from the event's Broadcast tab to vMix.
The rest of the configuration should follow our broadcast guidelines as much as possible.
The output of the audio should be different, as one language is panned left and one right.