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Uh, is the sound card being used if I route audio through HDMI?

post #1 of 4
Thread Starter 
I use my 24'' monitor to play PS3 games as well so it's easier for me to use the monitor's 3.5mm jack than swap it back and forth between the PC and PS3. Playback Devices in Win 7 lists my headphones as using the "Nvidia HD Audio" driver whereas if I plug it directly into the card it lists it as using "Xonar DS Audio Device".

Are they the same thing?
post #2 of 4
I would say no. I believe that it's just using the onboard sound from your motherboard. I may be wrong though.
post #3 of 4
No. The main proponent of a sound card is the DAC. HDMI sends the signal digitally. Whatever you connect it to will do all the decoding.
post #4 of 4
^

If you use your GPU for audio, it uses the graphics card's audio codec. If your receiver displays "LPCM", then everything you hear is Lossless. IE: The real sound.

Plugging the headphones into your motherboard uses the onboard audio. The soundcard is different and better.
Edited by Deverica Wolf - 8/7/11 at 4:07pm
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Overclock.net › Forums › Components › Sound Cards and Computer Audio › Uh, is the sound card being used if I route audio through HDMI?