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Sound Blaster X-Fi Surround 5.1 Pro vs Asus GTS 450 High Definition Audio

post #1 of 3
Thread Starter 
Hello.
Let me start by explaining my basic hardware.
My pc connects to an LCD monitor via HDMI.
I have an Asus GTS 450 graphic card.
I have a 5.1 surround with a receiver.
I have a Realtek High definition onboard audio card.
Due to bad audio quality with the Realtek card(I used to connect to my receiver via RCA cable), I also recently bought a Creative Sound Blaster X-Fi Surround 5.1 Pro audio card, such that I could connect to my receiver via an optical cable).

Thing is I thought that by getting the Creative card would mean the end of all my audio troubles.
But it turns out that when I play movies on my pc, sometimes the voices are distorted,sometimes you hear the background music/noises more than the voice.(Music is alright though).So I tried Control panel > Sound and tried to configure the Sound Blaster card.When I ran the sound test option in Configure, only the front left and right gave me audio. The center,sub woofer and rear speakers did not play any sound.
I grew tired of troubleshooting the card - I googled a lot here and there, tried stuff but it just did not work.

So as a last resort I tried to connect my TV to my receiver via optical cable.My pc is already connected to my TV via HDMI through my graphic card.I changed the default playback device to Nvidia High Definition Audio(disabled my other audio devices as well in the process) and my TV sound is set to external. Big surprise there, I played the same movies I was experiencing difficulties with the creative card, and no problem at all, clear voices with a nice surround effect. But there is a slight buzzing sound when my pc is idle and my tv/receiver is on.

So my question is should I just leave it there? Or should I try to troubleshoot the Sound Blaster card?
I am under the impression that if I succeed in troubleshooting the Creative sound card, I'm gonna get a flawless audio connection cuz it's dedicated to sound only whereas the current setup is not a dedicated audio connection. Also I don't want to throw away the Sound Blaster card just yet, it's only been 1 week since I got it! Help would be really appreciated!


A little more details - Here's a few screenshots:

My current default playback device.

attachment.php?attachmentid=214539&stc=1&d=1307696623

With the sound blaster card.

When the test runs, only R & L give sound.
I have to add though, the c,sub,RL and RR still give sound during movie playback on my pc - it's just distorted/bad quality or unclear voices.
So it's even more confusing!

attachment.php?attachmentid=214540&stc=1&d=1307696623
post #2 of 3
If your receiver has HDMI input, just use the graphics card HDMI to HDMI out to the receiver.
post #3 of 3
Hdmi with Blueray content don't get downsampled like via optical. Reason why you didn't get surround you need to use Ddl or use ffdshow and set the custom matrix.

If your receiver got a Hdmi input use it. You'll enjoy full Blueray content without the downsampling
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