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HDMI audio through 4850 questions

S

skyofavalon

Senior member
Where is the audio actually being procsesed ? Does the 4850 do it or do have to have your onboard motherboard audio installed and enabled and it just passes through the 4850 ?

What if you have a soundcard?I have an X-fi Fatality,can I have the X-fi do the audio and have it sent through the 4850 ?
 
the x-fi isn't used if you use the hdmi output on the 4850.

it uses the cpu for audio processing.

hopefully when pc games start shipping on bd-rom their audio will be encoded in dolby truehd or lpcm and then you'll be able take full advantage of the 4850 audio output.

i can't wait until software engines take over and output bitrates exceed 1000kbps.
 
the cpu can't process the audio if you have an X-fi card.
The audio processess on whatever it was processing before, the 4850 just forwards it without modification through HDMI.
 
how do you hdmi out from 4850?
DVI to HDMI converter? I thought the converter did not output the audio. Also do you connect the audio cable from the mobo to 4850?
 
Originally posted by: PUN
how do you hdmi out from 4850?
DVI to HDMI converter? I thought the converter did not output the audio. Also do you connect the audio cable from the mobo to 4850?
Click to expand...

The DVI to HDMI connector supplied by the Powercolor HD4870 passes Audio over the DVI port.

Probably the same as all HD4850/4870's.

Dont ask me what processes the audio and dont ask how it passes audio over a DVI port but it does and it so so quite commendably,
 
Thanks ELCS

my last question is, if I use this DVI to HDMI on a ATI 2400pro, will it carry audio?
also do i have to connect any internal wire to the video card to get the audio? otherwise how would the video carry the audio over the hdmi?

Thanks

EDIT:
after some intense research and googling, found some results
DVI to HDMI cable does not work. It does not carry the audio.
DVI to HDMI dongle -> HDMI that comes with HD4000 series do work.

DVI to HDMI dongle RevB (grey) works with 2000, 3000 & 4000 Series
DVI to HDMI dongle RevA (Black) works only with 4000 series

I hope this helps


UPDATE: Must use Catalyst driver 8.2 with Realtek 1.97 or higher.
 
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