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Q: HDMI Audio through graphics...

post #1 of 8
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Does it use my graphics card to render the audio or my sound card when I go through my 5850's HDMI for sound?
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post #2 of 8
I believe the video card does the audio processing - I have my onboard audio disabled in the BIOS and I still hear stuff.
post #3 of 8
Quote:
Originally Posted by Twinnuke View Post
Does it use my graphics card to render the audio or my sound card when I go through my 5850's HDMI for sound?
Your graphics card will be doing the audio processing when sending sound over HDMI.
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post #4 of 8
Yep your graphics will be doing HD audio and bitstreaming...if you had nvidia it would be a no go...that's big nvidia fail
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post #5 of 8
Thread Starter 
I can output from my sound card but I don't know which is better as my card is just the one that comes with the BloodRAGEEEEEEE.
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post #6 of 8
Quote:
Originally Posted by Twinnuke View Post
I can output from my sound card but I don't know which is better as my card is just the one that comes with the BloodRAGEEEEEEE.
Well, HDMI is digital, so that would in theory be better. If you're running audio through your monitor you probably lose that advantage, though.
post #7 of 8
Quote:
Originally Posted by Twinnuke View Post
I can output from my sound card but I don't know which is better as my card is just the one that comes with the BloodRAGEEEEEEE.
It all depends. HDMI is still sending the sound as a digital signal, so your graphics card would not actually be doing any conversion between digital to analog. This means that your TV will be doing all of the necessary conversion.

Your TV may or may not do a better job of this than your sound card, but its hard to tell for sure. Although, it probably wont matter if you are using the TV speakers, as they are typically not be best in the world and small differences in signal will not be noticeable. If you have another set of speakers that you use I would use your sound card, its probably at least as good as what you would get through a graphics card + TV and you have less devices between your source and speaker, which is desirable in most situations. Also, you can try both configurations and see if one sounds better than the other... in the end, always trust your ears.
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post #8 of 8
Quote:
Originally Posted by Xazen View Post
It all depends. HDMI is still sending the sound as a digital signal, so your graphics card would not actually be doing any conversion between digital to analog. This means that your TV will be doing all of the necessary conversion.
Ya, it all depends on the output source. The GPU will do the digital processing, but not more. You do get the highest bit stream available if you do the audio through the GPU. No compression required.
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