Anyone advise on which hardware should be processing my audio?

Soldato
Joined
25 May 2011
Posts
3,299
My HTPC has a GTX 570 and a Asus Xonar Essence STX

I use XBMC for my bluerays and I think I have read somewhere that the 570 doesnt bitstream HD audio tracks.

Should I be using the Asus card for gaming? and sending the audio tracks from games to my AMP via optical? or is the HDMI of the 570 good enough?................. and the same question regards bluerays, 570 or Asus?

Confused!

:)
 
HDMI and SPDIF (optical) are both digital, so the AV receiver will be responsible for sound quality, as that is converting the data into analogue sound.

AFAIK, as of this time, the 5 series does not support HD lossless audio. I did see a post on AVForums, where the guy said that the hardware is capable though. Whether it is a legal thing, or that Nvidia are not bothered, I'm not sure. They did tell some guy that their cards are not designed to be connected to AV receivers, so that would indicate they are not bothered about making it work, even if the hardware is capable.

That leaves you with Dolby Digital or DTS, from either the 570, assuming it is capable of that, or from the Xonar. Probably doesn't matter which you use, unless you have 7.1 speakers. If so, then using the 570 is the way to go.
 
they dont bitstream HD audio, however they will output LPCM just fine. so the choice, really, is LPCM from the 570gtx, standard audio from the xonar STX or buy an AMD card and get bitstreaming.


Personally I'd stick with the gtx and use LPCM.
 
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