PC hooked to AV receiver via HDMI, doesn't seem to play in 5.1 - AVS Forum
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post #1 of 7 Old 06-23-2014, 06:15 PM - Thread Starter
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PC hooked to AV receiver via HDMI, doesn't seem to play in 5.1

I have a Onkyo AVX-290 5.1 system.
http://www.onkyo.ca/Products/model.p...&class=Systems

I connected the receiver via HDMI to my Geforce GTX 760
http://www.gigabyte.com/products/pro...px?pid=4663#sp

In windows 8.1 I changed the audio output to the video card. If I tell windows it's a stereo system, sound play in all speakers but without any surround effect (left front will also play in left rear). If I tell windows it's a 5.1 system, I don't have any sound in the rear speakers (but the windows test thing for each channel is working fine). I tried playing a bunch of different things...

I used this file for testing:
dl.demo-world.eu/download_dolby.php?filename=dolby_channel_check.ra r (remove space in file extension)

Idea?

edit: netflix playing on firefox, I get no sound in rear speakers, PCM lights up on my receiver. netflix as the windows 8.1 app, I get sound in rear speakers and the D+ light up on the receiver...

Last edited by kwijibo55; 06-23-2014 at 06:47 PM.
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post #2 of 7 Old 06-24-2014, 08:53 AM
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Since the AVR is telling you it's receiving PCM (which will be 2-channel stereo), this is a configuration issue with the audio output format of the PC. Check the Windows control panel for sound as well as anything for that specific video adapter for anything that mentions PCM output vs. "Dolby Digital" or "Bitstream" or "5.1"...

Jeff


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post #3 of 7 Old 06-25-2014, 06:58 AM
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I have my Alienware computer with a Nvidia 660 GTX inside hooked up to my ONKYO TX-NR828 via HDMI so my setup is similar to yours. I'll get the steps I used this evening when I am back home.

I would test with a DVD if possible as lots of Netflix content isn't in 5.1. If you use the app in Windows 8 it tell you at the top of each title.
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post #4 of 7 Old 06-25-2014, 07:57 AM - Thread Starter
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So far it seems like if the content is 5.1, no problem. If the content is stereo, then only the 2 front speakers will play, unless I change the receiver to "stereo all speaker". Unless there's a feature I'm missing that would automatically cycle between the "multichannel" (for 5.1 content) and "stereo all speaker" (for stereo content) it seems like I'll have to change the setting myself all the time... With that said I'm not sure the "multichannel" setting is the right one for 5.1 content. I tried "direct" as well but the sound quality didn't seem as good.

My test file didn't work because I had a setting to change in VLC.
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post #5 of 7 Old 06-25-2014, 08:19 AM
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Ok, that's a different issue... The PC is working fine, then. 2-channel content will only play on two channels - you'll need to change your AVR's settings for that input to select a five-speaker configuration for stereo sources. See the Onkyo manual for how to do this.


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post #6 of 7 Old 06-25-2014, 09:21 AM
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Quote:
Originally Posted by kwijibo55 View Post
So far it seems like if the content is 5.1, no problem. If the content is stereo, then only the 2 front speakers will play, unless I change the receiver to "stereo all speaker". Unless there's a feature I'm missing that would automatically cycle between the "multichannel" (for 5.1 content) and "stereo all speaker" (for stereo content) it seems like I'll have to change the setting myself all the time... With that said I'm not sure the "multichannel" setting is the right one for 5.1 content. I tried "direct" as well but the sound quality didn't seem as good.

My test file didn't work because I had a setting to change in VLC.
From my ONKYO manual (your's is probably the same)

LISTENING MODE PRESET

You can assign a default listening mode to each input
source that will be selected automatically when you
select each input source. For example, you can set
the default listening mode to be used with Dolby
Digital input signals. You can select other listening
modes during playback, but the mode specified here
will be resumed once the AV receiver has been set to
standby.
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post #7 of 7 Old 06-25-2014, 09:26 AM
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after quickly checking your manual it doesn't appear to have this capability in your receiver.

If its a PCM source multichannel is correct.

The Direct listening mode works as follows:

In this mode, audio from the input source
is output without surround-sound
processing. The speaker configuration
(presence of speakers) and speaker
distance settings are enabled, but much
of the processing set via the audio setup
is disabled.

Last edited by smarcus3; 06-25-2014 at 09:36 AM.
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