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  1. #1

    Vid Stream w/ multiple audio channels

    Does anyone here have experience in this? I need to stream a live 'lecture' with two or more separate audio channels at the same time. Say the original is in English and is watched by some and others need to listen to a live translation (from the same location), but the same video.

  2. #2
    If you have the bandwidth, you can push two completely separate feeds (with the video repeated), if not, there are a variety of ways to do this depending on how well you need the audio to sync with the video and what your source platform and target audience is.
    Eric Adler (tonsofpcs)
    http://www.videoproductionsupport.com/ Chat at: http://tinyurl.com/vpschat
    Follow me on twitter: @videosupport @eric_adler

  3. #3
    Quote
    Quote: tonsofpcs
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    If you have the bandwidth, you can push two completely separate feeds (with the video repeated), if not, there are a variety of ways to do this depending on how well you need the audio to sync with the video and what your source platform and target audience is.
    bandwidth should not be a problem in this application. I have a commercial cable account.

    how is this 'push two completely separate feeds (with the video repeated)' achieved?

  4. #4
    Would you like to have live video stream or prerecorded video stream?

  5. #5
    Quote
    Quote: Anri
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    Would you like to have live video stream or prerecorded video stream?
    live.

  6. #6
    Just run two streams with different audio tracks, one takes audio from X, one from Y, but both take video from Z.
    Eric Adler (tonsofpcs)
    http://www.videoproductionsupport.com/ Chat at: http://tinyurl.com/vpschat
    Follow me on twitter: @videosupport @eric_adler

  7. #7
    Quote
    Quote: tonsofpcs
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    Just run two streams with different audio tracks, one takes audio from X, one from Y, but both take video from Z.
    simple to you; complicated to me. how do i capture two separate audios?

  8. #8
    You have a few options. You could use separate sound cards (or other sound input devices, like USB sound cards or a usb-attached headset - normally they're just referred to as 'cards' even if they aren't in a 'card' form) and set the input device in your streaming software, or, if you have streaming software capable of choosing just one channel of a stereo input, you could provide one soundtrack on the left audio channel and one on the right and just stream 'left' on one and 'right' on the other. It all depends on your needs (stereo? mono?), your system, and your software. You could also just use two computers and physically split the video for input into each and have separate audio into each.
    Eric Adler (tonsofpcs)
    http://www.videoproductionsupport.com/ Chat at: http://tinyurl.com/vpschat
    Follow me on twitter: @videosupport @eric_adler

  9. #9
    Quote
    Quote: tonsofpcs
    View Post
    You have a few options. You could use separate sound cards (or other sound input devices, like USB sound cards or a usb-attached headset - normally they're just referred to as 'cards' even if they aren't in a 'card' form) and set the input device in your streaming software, or, if you have streaming software capable of choosing just one channel of a stereo input, you could provide one soundtrack on the left audio channel and one on the right and just stream 'left' on one and 'right' on the other. It all depends on your needs (stereo? mono?), your system, and your software. You could also just use two computers and physically split the video for input into each and have separate audio into each.
    now THAT helps! Any suggestion on software? The left right thing 'sounds' like it will work. (LOL)

  10. #10
    I believe that VLC can do this.
    Eric Adler (tonsofpcs)
    http://www.videoproductionsupport.com/ Chat at: http://tinyurl.com/vpschat
    Follow me on twitter: @videosupport @eric_adler

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