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Am I Right??

post #1 of 33
Thread Starter 
is the following ,(my thinking), correct:
if i take the digital signal from a soundcard, (via optical), and route it to an amp i am bypassing the soundcards DACs and utilising the DACs within the amp, also are there different quality digital signals output by different soundcards??
    
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post #2 of 33
Quote:
also are there different quality digital signals output by different soundcards??
Thats correct I would have thought. However as for a signal bypassing the Dacs in the soundcard because of optical I am not sure.
post #3 of 33
Yes, for optical out or any other digital signal, you bypass the DAC's of the sound card and use the ones on the DAC. Although your question doesn't really make too much sense unless your talking about a DAC/amp combo. Amps by themselves never accept a digital signal. For the most part every sound card has the same quality for digital output. Although it's nice to have features of a nice sound card such as EAX effects and native ASIO output.
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post #4 of 33
Quote:
Originally Posted by Duckydude View Post
Yes, for optical out or any other digital signal, you bypass the DAC's of the sound card and use the ones on the DAC. Although your question doesn't really make too much sense unless your talking about a DAC/amp combo. Amps by themselves never accept a digital signal. For the most part every sound card has the same quality for digital output. Although it's nice to have features of a nice sound card such as EAX effects and native ASIO output.
Im confused. My Sub which has an inbuilt AMP features and Optical in. Surely the AMP takes care of such things ?
post #5 of 33
Quote:
Originally Posted by ENTERPRISE View Post
Im confused. My Sub which has an inbuilt AMP features and Optical in. Surely the AMP takes care of such things ?
Yea, you must have a DAC in the amp, so it would be taken care of in that. I only know much about headphone amps, which are usually just the amp by itself. So you must have a DAC in your amp because the signal most be converted to analogue somewhere in the amp lol.
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post #6 of 33
Yeah thats what I thought. I have Dolby 5.1 and DTS capability through Coaxial or Optical so I thought I must have a DAC in there somewhere lol.
post #7 of 33
Most amps people have have digital audio in these days dont they. We are not talking about headphones right . Beerme what amp do you have, have in mind
    
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post #8 of 33
I am not sure about a sound card in a PC, but here is how it would work in a home A\\V example. Say your CD player has both digital(optical) outputs and analog(RCA). If I were to use the analog outputs from the cd player into the amp\
eceiver it would force the use of the CD player's DAC's to produce the music. If I were to use the digital outputs from the CD player it would use the DAC's from the amplifier.

So if you want to use the best sound quality find out which unit has the better DAC's and use that. i.e. if your sound card has better DAC's use the analog out, or if your amp has the better use the digital out.
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post #9 of 33
Thread Starter 
i already have an amp with various digital and analogue in's and out's, its 7.1, has arount 50 different connections on the back and some analoge in's ont the front lol. it is not set up at the moment as i moved house recently, but it has been used for 7.1 surround for movies and for powering 2 celestion ditton 33's using the digital (opt out) signal from a previous rig. i was just wondering about the signal and wether different s/c's produce differing quality digital signals, but i'm thinking now that a digital signal CANT differ in quality ... can it? maybe just processing times to assemble the signal...
    
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post #10 of 33
Quote:
Originally Posted by ENTERPRISE View Post
Im confused. My Sub which has an inbuilt AMP features and Optical in. Surely the AMP takes care of such things ?
Signal flow of Audio from original source all the way to a speaker.

Original sound = My voice

Goes from my mouth> to mic > into Preamp/mixer> signal processor/crossover>amps>speakers

in your scenario your flow is
Sound card>Processor>Amp>Speakers

I can make it more complicated if need be.
    
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