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GPU HDMI sound quality

post #1 of 12
Thread Starter 
What is the quality of the sound coming out through the HDMI port of modern GPUs?

I have in my rig an XFX HD5870 and I'm buying a new receiver + speakers.

Can (should) I connect my 5870 to the receiver and let it do both audio and video?

I play mainly 5.1 DTS Blu-Ray .mkv files from my PC.
post #2 of 12
Well if you set it up right you should be bitstreaming the dts tor your receiver.

So the sound quality should depend on the movie and your speakers/amp.

That's the point of bitstraming over HDMI so that it will be untouched. I use a 5450 and the sound is great with my onkyo receiver.

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post #3 of 12
Id like to know as well, I'm trying to find a SPDIF cable for my GPU so it can do audio through the HDMI cable to my TV.... I also have a 5.1 setup and play 1080p bluray discs and rips to my HDTV.
post #4 of 12
Thread Starter 
Quote:
Originally Posted by lightsout View Post
Well if you set it up right you should be bitstreaming the dts tor your receiver.

So the sound quality should depend on the movie and your speakers/amp.

That's the point of bitstraming over HDMI so that it will be untouched. I use a 5450 and the sound is great with my onkyo receiver.

sent from tapatalk on android
What do you mean by setup right?

HDMI cable going from GPU to Receiver is the only possible way?

All I need to be careful about is to choose the receiver carefully (so that it supports DTS?)
post #5 of 12
Thread Starter 
Quote:
Originally Posted by lightsout View Post
Well if you set it up right you should be bitstreaming the dts tor your receiver.

So the sound quality should depend on the movie and your speakers/amp.

That's the point of bitstraming over HDMI so that it will be untouched. I use a 5450 and the sound is great with my onkyo receiver.

sent from tapatalk on android
http://www.mediasmartserver.net/2010...7-htpc-part-i/

...you mean something like that?
post #6 of 12
Quote:
Originally Posted by dejanribic View Post
What do you mean by setup right?

HDMI cable going from GPU to Receiver is the only possible way?

All I need to be careful about is to choose the receiver carefully (so that it supports DTS?)
I think he meant setting it up properly on your A/V receiver. Like choosing pcm.
post #7 of 12
Thread Starter 
Quote:
Originally Posted by Lostcase View Post
I think he meant setting it up properly on your A/V receiver. Like choosing pcm.
pcm? :/

Apparently people are having quite a lot of trouble bitstreaming DTS-HD MA to receivers, not so much with regular DTS (1509 kbps).
post #8 of 12
I meant setting it up right on the software end so the audio is untouched by windows.

The link a couple posts above should be good.

I would not choose pcm. I send the dts/ac3 or whatever as it is. Making it pcm will mean windows is messing with it.

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post #9 of 12
Thread Starter 
Quote:
Originally Posted by lightsout View Post
I meant setting it up right on the software end so the audio is untouched by windows.

The link a couple posts above should be good.

I would not choose pcm. I send the dts/ac3 or whatever as it is. Making it pcm will mean windows is messing with it.

sent from tapatalk on android
I need some help choosing a system:

http://www.overclock.net/home-audio/...1-speaker.html

Anyone willing to head over there, thanks in advance!
post #10 of 12
Just want to add in that I use my 6870 and PowerDVD to send uncompressed audio to my receiver. From there it recognizes the DTS and it sounds amazing. Even when I'm just playing my normal music it sounds a lot better as opposed to the onboard I used to use.
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