9.2 Surround in HTPC - AVS Forum
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post #1 of 9 Old 08-23-2014, 02:06 AM - Thread Starter
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9.2 Surround in HTPC

I just upgraded my HT speakers from 7.2 to 9.2 Surround system by adding 2 Front Height Speakers.
I have set the speakers configuration at Denon AVR-4520CI to 9.2 speakers setting, and tested fine.
But in my HTPC control panel sound setting, I can only get the 7.2 system maximum, no 9.2 setting.
My HTPC running Windows 7 64bit with MSI R7850 Graphic Card.
Connections are all the way via HDMI.

How can I get 9.2 surround sound out of my HTPC ?
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post #2 of 9 Old 08-23-2014, 05:09 AM
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I think the source material has to be 9.2 surround sound as well... and must be bit-streamed to the AVR...
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post #3 of 9 Old 08-23-2014, 05:16 AM
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On a second thought, if windows is getting the right EDID from your Denon AVR, I think it should be possible to set windows for 9.2 surround sound, unless there is a EDID bug or something... or maybe an HDMI limitation... IDK...
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post #4 of 9 Old 08-23-2014, 06:15 AM
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There is no 9.2 discrete channels format. Your receiver is using DSP to create 9.2 channels out of 5.1 and 7.1 sources.
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post #5 of 9 Old 08-23-2014, 06:18 AM - Thread Starter
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There must be a crucial setting I miss, in HTPC ?
Can it be a limitation of the Graphic Card's audio processor?
My HTPC has Intel Haswell processor.
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post #6 of 9 Old 08-23-2014, 05:27 PM
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For 9.2 it is up to your receiver to process it correctly. You would just bitstream from the source material and the receiver will expand the 5.1 or 7.1 to 9.2. You'll need to read your receiver's manual to figure out the surround modes that support 9.2. I personally don't care much for the special formats and the only one I uses is to expand the TV stereo signals to Dolby PLx (or whatever it is called) to get 7.1.

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post #7 of 9 Old 08-24-2014, 01:08 AM
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AFAIK there isn't anything consumer based that is master in 9.2. 7.1 is the highest I've seen native audio go before extra processing is introduced.

I would assume that would be done by your AVR. So set Windows output to 7.1 and have AVR upmix to 9.2.
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post #8 of 9 Old 08-25-2014, 02:54 PM
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You can't. As someone posted above, there's no discrete 9.2 (or even 9.1) format at the moment and the receiver more than likely does not accept 9.2 PCM, which is why it is not in the EDID and why Windows (which might be capable) won't output such a format to your receiver.


Instead you need to set it up for 7.1 and then engage PL-IIz or proprietary 9.2 encoding on your receiver, to get 9.2 audio produced.
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post #9 of 9 Old 08-26-2014, 05:02 PM - Thread Starter
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Thumbs up

Thanks all the replies.
I know now: The trick is in AV Receiver.
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