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Setting up 5.1 Surround Via optical Windows 7?

APhamX 3,611 557 August 10, 2011 at 09:24 PM
I have the asus sabertooth x58 and I'm using the realtek onboard sound card (my creative fata1ty doesn't work for some reason - the front I/O panel won't power on). I have the z5500 as well. When I connect both via optical (z5500 is switched to 6 channel mode , not 3) and default windows 7 sound to digital optical I cannot seem to get 5.1 surround. In the realtek program I'm able to test each speaker when using analog connection (like when I click on center it will say center). However in optical mode there is no such option. And when I watch a movie with 5.1 surround the control pod doesn't say Dolby Digital Decoding or DTS or something like that. On my PS3 it says that when I'm watching the same clip.

Also is there a program to test a 5.1 surround? And is there a way to have room correction (increase the DB of a speaker that is farther away) on optical? Analog seems to have this option but not digital. I want to do this because my right rear speaker is like 4 feet farther away from me than my left rear. My room is like, 15 x 18

I want to use digital because it's more clear. I notice it on the ps3 when I switched between analog and optical during song playback (ps3 can output multiple outputs - I think that made sense).

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#2
If I remember correctly, the optical on the z5500s will only put out what you put into it. i.e. The digital to analog converter (DAC) on the z5500 won't create 5.1, but it will play 5.1 if put 5.1 into it. I would check online to make sure your motherboard can put out 5.1 through optical out. If not, you can always get a decent sound card with optical out and run it through the 5500's.
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#3
Quote from APhamX View Post :
I have the asus sabertooth x58 and I'm using the realtek onboard sound card (my creative fata1ty doesn't work for some reason - the front I/O panel won't power on). I have the z5500 as well. When I connect both via optical (z5500 is switched to 6 channel mode , not 3) and default windows 7 sound to digital optical I cannot seem to get 5.1 surround. In the realtek program I'm able to test each speaker when using analog connection (like when I click on center it will say center). However in optical mode there is no such option. And when I watch a movie with 5.1 surround the control pod doesn't say Dolby Digital Decoding or DTS or something like that. On my PS3 it says that when I'm watching the same clip.

Also is there a program to test a 5.1 surround? And is there a way to have room correction (increase the DB of a speaker that is farther away) on optical? Analog seems to have this option but not digital. I want to do this because my right rear speaker is like 4 feet farther away from me than my left rear. My room is like, 15 x 18

I want to use digital because it's more clear. I notice it on the ps3 when I switched between analog and optical during song playback (ps3 can output multiple outputs - I think that made sense).
OP, you need to set your sound (probably in Realtek) to passthrough. You don't want your computer processing it. You want to send the sound to your z5500 receiver so its DTS/DD decoder can work its magic.
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#4
Quote from tank957 View Post :
If I remember correctly, the optical on the z5500s will only put out what you put into it. i.e. The digital to analog converter (DAC) on the z5500 won't create 5.1, but it will play 5.1 if put 5.1 into it. I would check online to make sure your motherboard can put out 5.1 through optical out. If not, you can always get a decent sound card with optical out and run it through the 5500's.
Well I'm pretty sure my motherboard can output 5.1 via optical. I just need a program to test to make sure. I would use a sound card, but my 6970 is blocking one of the pci lanes :l (my only one =.=)
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#5
http://www.lynnemusic.com/surround.html

looks like they have a 5.1 test file. You can set up "5.1" as a speaker set up in control panel->sounds. I'm on an XP machine ATM (work) but if I remember correctly win 7 has a built in sound test in the cp->sound menu.
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#6
Quote from APhamX View Post :
Well I'm pretty sure my motherboard can output 5.1 via optical. I just need a program to test to make sure. I would use a sound card, but my 6970 is blocking one of the pci lanes :l (my only one =.=)
Once you have it set up properly, you can go to control panel and sound options. There is a sound test that will send a test sound to each speaker. It will also allow you to send different DTS/DD signals to see if your receiver is compatible.
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