Posslible to merge video from one cable and audio from another? - AVS Forum
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Old 08-05-2012, 03:01 PM - Thread Starter
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Hi,

Is it possible to merge video (that also has audio) from one HDMI cable and audio (that also has video) from another HDMI cable into a third HDMI cable that would now have the video and audio from the two previous cables?
I hear an HDMI Matrix might be do this but does anyone know of one that can do this?

Thanks
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Old 08-05-2012, 06:49 PM
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Sure it is possible. But the typical matrix switch won't do it. Don't know if there are any out there that do. You might be able to find a mixer that will do what you want.
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Old 08-05-2012, 09:45 PM
 
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You're basically stripping out the audio stream from the video stream on one HDMI cable and stripping out the video stream from the audio on the other. Of course both streams are encrypted. After merging the streams, then you have to re-encrypt and then send it on its way. Of course doing this in real-time (or close to it) makes it more difficult.

I'm not aware of anything that can do this. A matrix switch cannot do this digitally since it does not (or should not) change the audio/video stream that was received. A good AVR would be able to do this (watch video from one input and listen audio from another) but the HDMI output would still have the original audio/video for the first stream while the speakers played the output from the second stream.

Your other choice is to go to the dark side of HDMI conversion, convert to analog and then run it through a true audio/video mixer back to an HDMI encoder.
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