Can I insert an extra audio stream into the live stream?

Question

I have a project where I need to set up a broadcast (from
pre-recorded files) so people can 'tune in' at a certain time to
watch a show. Some of these shows should have a soundtrack, can I
use SSAS to overlay an extra audio stream? So I would send one
video and two audio streams out to the client as one stream.

Alternatively, can I use SSAS to replace the audio, so
effectively demux the original audio off and send out a different
audio stream in its place.

Thank you in advance for any advice.

Anonymous · Answer

Unfortunately, no... you can't do either of the things you listed. You would need to use separate streams for the audio and video, but that would introduce potential for sync issues (in fact, I can pretty much guarantee that you'd have sync problems).

I suppose that a really hackish fix would be to use a stereo audio track and use the left and right channels for your two audio sources. You could then use the rightToRight, leftToRight, leftToLeft, and rightToLeft properties of the sound transform object to handle playback (haven't tried that myself, but I suspect it would work)

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