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True digital output sound card????

S

sparkomatic

Limp Gawd
Joined
Mar 30, 2001
Messages
302
Ok I LOVE my Klipsch gmx d-5.1's, but im sick of dolby PL2

And as we all know gmx's require a pure digital signal to process 5.1, something my SB Live cannot produce.

The only popular sound card that produces a pure digital signal is th nForce integrated sound

BUT

What about the MAYA 5.1, it says its optical out will output to any dolby dts decoder.
So dosent that mean is a pure digital signal???

If not whats a good card with a pure digital out???
 
What?
I don't understand what you mean by True digital output?
There is only one solution that will give you real time Dolby Digital encoding.
The rest of the cards on the market will only pass a previously encoded Dolby digital source to your decoder.
In other words.... they will do exactly the same thing you Live does. ;)
 
I don't think pure digital sound means what you think it means. Digital is digital. What is sent over that digital output is what matters. If you want dolby digital encoded 5.1 sound out of the digital output then you will need one of the nforce boards with soundstorm. There are no soundcards right now that can encode dolby digital. That maya card just does dolby digital passthrough, which is to say it doesn't encode dolby digital, it just passes it through if it is already encoded.
 
Dolby Digital != 'true digital'.

Your only solution if you want 5.1 without your speakers upmixing from stereo is to get a Nforce2 mobo with Soundstorm.
 
there is a Chaintech card that does dolby digital encoding but it uses your CPU to do the rendering and it slows down your computers performance significantly.
 
No, it doesn't. It can either decode the AC3 stream and play through the analog outputs, or it can pass the still-encoded AC3 stream to an external Dolby Digital decoder.
 
The point is moot. Dolby Digital encoding is unnecessary in a typical computer environment. Just hook up 3 analog minijacks from the appropriate jacks on your soundcard into your 5.1 capable speakers. Don't waste your time on trying to get digital to work. Just use analog. Use that time instead by working a spare job to replace your POS SB live with a Audigy of some sort. ;-)
 
The TBSC doesn't do dolby digital output.
Click to expand...
Yes it does. In fact I have one hooked up right now for DVD use.
It doesn't do dolby digital encoding, but neither does any sound card on the market.

Just hook up 3 analog minijacks from the appropriate jacks on your soundcard into your 5.1 capable speakers. Don't waste your time on trying to get digital to work. Just use analog.
Click to expand...

He has the Klipsch GMX system. This option is not physically possible since it only has stereo analog in. 6 channel analog in is indeed preferable if your system has six channel analog input. But it doesn't.

The only way for him to get six speaker positional in realtime is to get an NForce2 board like the DFI Ultra Infinity with dolby digital encoding and the digital output.
Unfortunately this results in (lossy) transcoding when you play (lossy) compressed music, for instance, so it may improve the sound to turn off the encoding when doing so.

No, it doesn't. It can either decode the AC3 stream and play through the analog outputs, or it can pass the still-encoded AC3 stream to an external Dolby Digital decoder.
Click to expand...

The newest CMedia CODECs (9761, 9780) have the option of doing Real-Time Dolby Digital Encoding in software, but they aren't availible and are of course not present on the chaintech card.
They will undoubtedly use a bit of CPU time to do so when they do become availible.
 
Originally posted by leukotriene
Yes it does. In fact I have one hooked up right now for DVD use.
It doesn't do dolby digital encoding, but neither does any sound card on the market.
Click to expand...
Bah. That's what I meant. DD encoding. Just about any card with digital out can do dolby digital passthrough.
 
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