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Question on 5.1 Surround

post #1 of 4
Thread Starter 
Hey guys,

I recently picked up a set of Logitech's Z906 speakers. This is my first set of 5.1 Surround speakers, so bare with me here.

Here's some basic info that may make things clear--
Output method: Digital optical
Motherboard/soundcard: MSI Z87 GD65 (no dedicated soundcard)
OS: Windows 10 Education

The Z906 has a feature to decode digital audio. I'm currently under the impression that unless the speakers are decoding audio, I won't be getting true 5.1 surround sound from the speakers. Assuming this is true, so far the only time I've seen the decoding turn on is while using Netflix(when it did this it forced the speakers to use the front two speakers and the woofer)-- no games, video players, or other applications have turned it on. As far as I can tell, my sound-settings/sound drivers can't tell that it's a surround system, and therefore games wouldn't be able to actually put out 5.1 surround.

The big question that I have is, do I have to have a dedicated sound card to get true 5.1 surround? I've spent a lot of time looking around for an answer to this but I haven't been able to find anything particularly conclusive. Maybe I'm missing something very obvious, but at the moment I'm pretty unimpressed with how games sound on these speakers (I know these speakers don't have a very good rep on this site, but I'm no audiophile. I just want that sick directional audio) and I'm trying to figure out if I'm missing anything.

Thanks for the help head of time. I'm hoping it's something very basic that I'm missing, but I'm missing it hard.

Here are some links to hardware.
Speakers: http://www.logitech.com/en-us/product/speaker-system-z906
Mobo: https://msi.com/product/motherboard/Z87-GD65-GAMING.html#hero-overview

Also, here's a screenshot of the interface I'm getting in the Realtek HD Audio Manager. I pretty much have no actual settings I can change, which seems wrong.

I also tried testing the encoded formats to see if either of those are supported, and the speakers produced no sound. Maybe related?

Edited by Fourth Outsider - 2/6/16 at 11:19pm
post #2 of 4
You gotta use the analog for it to work properly in games and you have to enable it game. A decoder will not work properly with games.
Edited by Allseeing - 2/6/16 at 11:36pm
post #3 of 4
Thread Starter 
Thanks for the response.

I hooked up the speakers with the analog connections (black, blue and green cords.) So far, the speakers are working, but I think it's still the same issue; no true 5.1 surround sound. I think there's still something wrong because if I try to configure the speakers and then test the 5.1 surround (as shown in the picture below), I'm only getting sound from two of the speakers.

At this point I have no idea what's up with it as I'm pretty sure my motherboard does support 5.1, but it ain't working.


post #4 of 4
Try playing with some of the speaker settings. I dont have that set so I dont know how to set them up but with mine you have to be on a channel called 6ch direct in order to use that feature in windows. DTS converts stereo and mono audio to 5.1. Its not really true 5.1, its converted. You probably have DTS enabled witch is why you dont hear all the speakers when you click on them. Disable DTS and try again.
In order to get real 5.1 the program or movie you are watching has to have the option. In movies you can right click on your player program and select 5.1 if the movie you are watching has it.
If the movie/clip you are watching does not support 5.1 then enable DTS to get emulated surround. If a movie says it supports DTS then you can use DTS on your speaker settings and enableing it in the program you are using to watch the movie instead of turning it off.

Kind of confusing, you will figure it out.
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