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On the fly AC3/DTS encoding for games?

post #1 of 7
12/29/11 at 9:31pm
Thread Starter 
Is there any method to force games to output in ac3 or dts? Something to encode them before sending out over hdmi?
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post #2 of 7
12/29/11 at 9:47pm
If you have HDMI, why use DD or DTS? Just send 5.1 as native PCM.
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post #3 of 7
12/29/11 at 10:02pm
Thread Starter 
HDMI goes to the tv, then output via toslink to a receiver.

From the googling I've been doing, it doesn't look like it's possible. I may just have to buy a new receiver...
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post #4 of 7
12/30/11 at 2:25am
There are several sound cards that support Dolby Digital Live (a real-time DD encoder; part of Dolby Home Theater) and/or DTS Interactive (a real-time DTS encoder; part of DTS Connect). The cheapest one (apart from onboard audio of several GIGABYTE mb that supports Dolby Home Theater) is DIAMOND XtremeSound XS71DDL, ~$26.
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post #5 of 7
12/30/11 at 12:07pm
Thread Starter 
Right, but that would require using toslink to the receiver from the PC, correct? Currently I have toslink from the TV, and HDMI from the PC to the TV.
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post #6 of 7
12/30/11 at 1:01pm
Quote:
Originally Posted by cryolithic View Post

Right, but that would require using toslink to the receiver from the PC, correct? Currently I have toslink from the TV, and HDMI from the PC to the TV.

Yes, you'd need to run a toslink from the computer to the Receiver; or from the computer to the TV, assuming that 1) the TV can assign the optical in to the HDMI, 2) the TV will then passthru the S/PDIF signal to the receiver without decoding it and downmixing it to stereo; or run analog outs from the computer to the receiver, assuming the receiver has 5.1 analog inputs.

Your only other choice is to buy a receiver that can accept HDMI. The sound card would be cheaper; is there some reason you don't want to run another toslink from the computer to the Receiver?
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post #7 of 7
1/2/12 at 6:15pm
Thread Starter 
The receiver only has one optical in, and the tv doesn't have any, and I use three devices with it. I'll just pick up a new receiver soon.
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