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I recently got a new motherboard that supports surround sound 7.1 with optical outputs. I have read another question that explains at length the details of using 5.1 but there is no mention of 7.1 surround (also the answer is from 2016 and things may have improved since then).

While I'm sure I can get things working with a DTS encoded file to work from VLC, I'd like to know if I can get this support on YouTube as I do watch a lot of videos on there. There is a 7.1 test video on YouTube, but I'd like to know if it works before doing all the hardware setup.

I am using Chrome Version 84.0.4147.89 (Official Build) (64-bit) on WIndows 10 Pro

Kalamalka Kid
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Although this is not for this site, but webapps, the answer is no. Youtube does not support surround at all. Everything is outputted at stereo. I have a 5.1 surround system, but all videos on youtube sound stereo. Even the comments will tell you that they are stereo sounds, not surround.

If you only want to do this with youtube, don't waste your time. But for movies, definitely do.

LPChip
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  • thanks for weighing in. Wondering why do people make those surround videos then? – Kalamalka Kid Jul 22 '20 at 22:20
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    Either it may have worked, or they wrongly assumed it worked but never actually tested. I mean, on my 5.1 surround set, these videos sound very stereoish, but they are still stereo. Can easily be mistaken for surround. – LPChip Jul 23 '20 at 06:23
  • There is one other thing I can think of... they may be dolby surround demo's. This means they are stereo signals and a dolby decoder will try to turn it into surround. It is not true surround though, but it can make movies sound more wide as much as it can also screw up with movies. – LPChip Jul 23 '20 at 07:36