Optical Sound Output problem

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19 Oct 2014
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Hi Guys
Not sure this is the right forum, but sorry if not
I have just built a new system
Gigabyte G1- Gaming with wifi X-99 chip set with Creative Sound Core 3D chip, I am using Cambridge Soundworks DT3500 speakers which I got with a creative labs 5.1 live card.

The problem I have is the speaker amp only has optical in or digital din which uses a special cable which my new motherboard doesn't support so I have to use optical.

Heres where it gets strange.

When testing in windows control panel I get 5.1 sound.
If I play a Blu-ray movie I get 5.1 surround sound and all is good

If I use the Creative SBX studio suite which reports the onboard sound chip as being a Sound blaster RECON 3DI and do a test I only get sound out of the front left and right and sub

If I plug a pair of 5.1 headphones in to the RCAs then I get 5.1 surround sound from all apps no problem, so this is definitely an encoding problem

I have seen on another forum and seen another post that Gigabyte have confirmed that the software doesn't encode to Dolby Digital Live on the fly like it needs to so that it is Dolby Digital output even though it is capable of it.

So im guessing this is a software / driver issue.

I have been looking on the Creative website and there are some licences that you can buy to encode to Dolby Digital Live on the Fly but it states its for the X-fi range of cards.

Its really frustrating as I know that the PCI-E plug in Recon 3D cards do the encoding, but im guessing that the sound chip on board is seen as an OEM product so im guessing I need to buy something else


Has anyone got any information or ideas on how I can get this to work otherwise I am going to have to get some more speakers which I cant really afford at the moment

Thanks in advance
 
As I mentioned in the linked thread, I am surprised the board does not have DDL/DTSC, given that it has Core3D audio. I imagine the board wasn't cheap, so an odd decision to leave those features out, as I remember an X58 Sniper board did have them.

I think your only choice will be to buy a new sound card which has DDL/DTSC encoding, or buy a set of speakers which will connect to the 3.5mm connections.
 
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