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post #11 of 20
Come on guys reach a verdict! im also curiuos as to the answer, i personally believe that if its from the sound cards dgital out or the MB's digital out the sound will be tended to by the reciever.
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post #12 of 20
Quote:
Originally Posted by FearSC549;11770261 
It's 01010110101010100, what difference does it make when it's coming out of a $100 sound card? It's still 01010110101010100

Not exactly the case. Most onboard do no have DTS/Dolby Digital encoders. Any lossless audio in blu-ray or DVD will not be present on an onboard card. Any high end formats anyways.
Quote:
Originally Posted by dizzyscure1;11848455 
Come on guys reach a verdict! im also curiuos as to the answer, i personally believe that if its from the sound cards dgital out or the MB's digital out the sound will be tended to by the reciever.

As for the receiver, no. It all depends on the format that is being processed on the output. You can't send a non DTS HD Ma format and then expect a receiver to fill in the gaps. At the source (i.e. the audio processor) requires the format to be first processed which onboard tends to not be able to do. Not only that, digital out via coaxial and or SPDIF does not support enough bandwidth to process the higher quality formats anyways (which most onboard consist of). However, most modern day GPUs have the same, if not better, digital out support than onboard and most sound cards.
post #13 of 20
Quote:
Originally Posted by FearSC549;11770261 
No, it does not.

It's 01010110101010100, what difference does it make when it's coming out of a $100 sound card? It's still 01010110101010100

Computers are able to transfer digital data without loss, because the data moves in the robust form of blocks, which do not depend on specific timing between the sending and receiving devices. However, digital audio signals are continuous streams of data, which are quite fragile, since the digital processor must remain perfectly locked onto the timing of the signal to avoid data losses.

Timing......
post #14 of 20
A soundcard can hardware encode audio into 5.1 Dolby Digital or DTS which onboard cannot. Some onboards have DD & DTS encoding (but not all) built into their drivers but this relys on software to do its job thus creating a slight drain on system resources. So if your an FPS benchmarker etc then you will want to offload that job to a hardware soundcard. HD DD or DTS are uncompressed audio soundtracks that will usually be found on Bluray discs. The bandwtih required to move uncompressed audio can only be delivered via an HDMI cable. GTX series and ATIs 4xxx upwards can support audio over HDMI from the GPU. If you are a HTPC user then you will be familiar with AC3 encoded video files. If you run an optical direct from your onboard to an AV Amp this can decode the AC3 into Dolby Digital or DTS 5.1 without any encoding required from your PC.

So depending on your needs and wants you should have enough info above to decide what is best for you. You can of course get by without a soundcard but the benefits and leap in quality can definitely be enjoyed when used appropriately.
post #15 of 20
This thread is so full of fail lol.
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post #16 of 20
The question was

"Does it make any difference in sound quality if using the digital out on the mobo or on an expensive sound card?"

Why are we on what a sound card can do while a onboard can't confused.gif
post #17 of 20
Quote:
Originally Posted by larrytan;11850234 
The question was

"Does it make any difference in sound quality if using the digital out on the mobo or on an expensive sound card?"

Why are we on what a sound card can do while a onboard can't confused.gif

What he said ^
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post #18 of 20
Quote:
Originally Posted by larrytan;11850234 
The question was

"Does it make any difference in sound quality if using the digital out on the mobo or on an expensive sound card?"

Why are we on what a sound card can do while a onboard can't confused.gif

Its called a conversation. There were plenty of posts after the OP that seemed to be unsure of some of the details regarding PC sound. Hence the clarification. A digital output with poor onboard drivers and no DD or DTS encoding is quite clearly going to be different from hardware encoded digital output.
I'm sure your ones and zeros answer is useful to someone......somewhere wink.gif
post #19 of 20
Quote:
Originally Posted by astrallite;11850172 
This thread is so full of fail lol.

^^^This. Almost none of the above posts answered the OP question, but rather went on tangents, creating confusion.

If you are asking, "does it make a difference if you are connecting to an external DAC (as in an AVR/reciever?")...

From a basic standpoint, 5.1 or less... there is absolutely no difference in the signal passed from an onboard sound device or a dedicated soundcard across either a digital optical connection, digital coaxial connection or HDMI. NO encoding or decoding of the signal is done in the computer, there is NO conversion of the signal. That is left to the DAC (Digital to Analog converter) which is in the AVR/Receiver that the digital connection is made to, as the Onboard's or dedicated sound card's DAC is bypassed. The sound track encoded onto the disk is passed to the DAC untouched.

There is actually some good info in someones post above. Uncompressed DD-HD or DTS-MA from Blu-Ray disks (the only place this applies) can not be sent over digital SPDIF (coax) or toslink (optical), as the bandwidth need to pass these signals is not available from these connections. The uncompressed DD-HD or DTS-MA must be passed over an HDMI connection, or as an alternative, decoded in the computer and passed to an amplifier as an analog signal.

If only a digital coax or optical connection is connected, only the "Core" Dolby Digital (5.1/[EX]6.1) or DTS (5.1/[ES]6.1) is carried over this connection.

This is the same wether it be a computer, or a stand-alone DVD/Blue-Ray player.
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post #20 of 20
hehe indeed; Many don't have the right info.

10010101010, says bender on futurama
    
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