I livestream video game tournaments. The videos I record have two audio tracks. The first track is a low-volume game sound, combined with commentary audio. The second track is just the normalized volume game sound.

When I upload this video to YouTube, what is going to happen? Will YouTube combine both audio tracks into a single track? Will it throw out track 2?

Has anyone done this before?


3 Answers 3


Youtube will encode the primary or default audio stream.

Youtube doesn't support multiple audio streams. Neither does Vimeo.

Although, apparently, some videos like the 2012 Olympic streams did have it. Special handling by Youtube, I'm sure.

  • So it will throw out Track 2? Commented Nov 17, 2015 at 0:29
  • In the encoded versions, yes.
    – Gyan
    Commented Nov 17, 2015 at 6:10

Good news at the horizon. You should expect Multi-audio tracks and descriptive audio feeds support in the near future. There's actually a video demo with this capability, which is kind of proof of concept.


Alternative audio tracks would be nice, but definitely specialized to maybe alternate languages, or your case. I think the closest you'll get to anything usable is with ducking.

But if another channel is out of the question, how about offering up the second video with the second track as a link inside the video to something private or unlisted?

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