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5.1 works in Movies But Not Video Games (SPDIF)

post #1 of 20
Thread Starter 
Hey guys, first all I guess I need to mention that I am one of the unfortunate souls whose ASRock (ASUS) X58 motherboard came with Via audio drivers not Realtek though I don't think this should matter

I wanted to see if any of you guys have the type of setup I have. I have my audio going straight from my mother board to my old reciever via SPDIF. This works all the times for movies but I decided to try out my games and nothing plays in 5.1

Take Witcher 3 for example. On the intro logos, it shows it has Dolby Digital support but when I look at my reciever I am only getting ProLogic II which just means fake 5.1 and I can tell because my sound is not really directional.

Has anyone been able to get get their games to work in 5.1. I know this is a Windows Issue where if you have SPDIF, Windows still thinks you have 2.0/1 setup unless you have something that can transcode it to play 5.1 like VLC player.

It would really help. As Witcher 3 has one of the best audio tracks I've ever heard in a Video game
post #2 of 20
Spdif can only send compressed 5.1 due to bandwith limitations.

Only way to you can get 5.1 uncompressed is either rca or hdmi afaik
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post #3 of 20
Thread Starter 
Quote:
Originally Posted by KuuFA View Post

Spdif can only send compressed 5.1 due to bandwith limitations.

Only way to you can get 5.1 uncompressed is either rca or hdmi afaik

But see most games come with compressed audio anyways. I mean these aren't blu rays which actually also play on my reciever.

This isn't a compression issue but more of an encoding issue it appears. When I try DTS and Dolby files, they all work. However it appears I would need a program to run the Video game audio through Dolby or something if that makes sense

I can't configure my speakers in SPDIF mode and when I hit test configuration, SPDIF only plays 2 channels.

But when I play my DTS and Dolby encoded movies via VLC, i do get it. I don't understand. Even though I have 5.1 setup, Windows by default thinks I am only using 2 speakers and I cannot change it
post #4 of 20
Thread Starter 
And I did try with RCA. Besides my reciever can only do compressed audio and i have yet to see any video games that use DTS MA or Dolby HD
post #5 of 20
Thread Starter 
When I say RCA I mean RCA not the individual 3.5mm jacks. Would games be able to play 5.1 sound through 3.5mm jacks? Would that be uncompressed audio you speak of and does this typically work?
post #6 of 20
Optical requires DDL or DTS real-time encoding (==compression). Movie soundtracks are in DTS format by default, so they don't need any encoding.
Games don't have that kind of fancy feature so you need to get a separate soundcard if you want 5.1 in games.

Of course analog would be a way to get 5.1 out of the games, but keep in mind that the DAC of the receiver is bypassed and you are stuck with the DAC of the onboard soundcard.

Oh, and these kinds of problems are a major PITA to fix when you don't tell us what products you are even using (receiver model and mobo model).
Edited by Tiihokatti - 5/23/15 at 10:36am
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post #7 of 20
Thread Starter 
Quote:
Originally Posted by Tiihokatti View Post

Optical requires DDL or DTS real-time encoding (==compression).
Games don't have that kind of fancy feature so you need to get a separate soundcard for it.

PC games that is. I know everygame I've played on my roomates PS3 has dolby

What about wire out of the analog 3.5mm outputs to speakers. I so happen to be running a bose setup that can teheoretically be hooked via an RCA to 3.5mm adapter. would that cause the games to output uncompressed/unforamtted 5.1 or would you still need a card for that?
Edited by edo101 - 5/23/15 at 10:48am
post #8 of 20
Quote:
Originally Posted by edo101 View Post

PC games that is. I know everygame I've played on my roomates PS3 has dolby

What about wire out of the analog outputs to speakers. I so happen to be running a bose setup that can teheoretically be hooked via an RCA to 3.5mm adapter. would that cause the games to output uncompressed/unforamtted 5.1 or would you still need a card for that?
Think the console as PC that has a soundcard that can do real-time DTS/DDL encoding.
It's not the games/software that create the DDL/DTS, it's the hardware.

Just to name a few soundcard that can do DTS/DDL encoding:
- Xonar DS/DSX
- Xonar D1/DX
- Sound Blaster Z/Zx/ZxR
- Recon3D
Edited by Tiihokatti - 5/23/15 at 10:48am
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post #9 of 20
Thread Starter 
My Motherboard is an Asrock X58 Extreme 3 which uses the VIA VT2020 card
My reciever is an older Pioneer VSX D412

Speaker is Bose Acoustimas Series 6. But the way the speakers are wired, the can be hooked to a 3.5mm jack with an RCA end.
Quote:
Originally Posted by Tiihokatti View Post

Think the console as PC that has a soundcard that can do real-time DTS/DDL encoding.
It's not the games/software that create the DDL/DTS, it's the hardware.

Just to name a few soundcard that can do DTS/DDL encoding:
- Xonar DS/DSX
- Xonar D1/DX
- Sound Blaster Z/Zx/ZxR
- Recon3D

So you are saying I would get 5.1 with just using the anolog setup presumably? Presumably the VIA chip would do the 5.1 mixing with Dolby and DTS?
post #10 of 20
Quote:
Originally Posted by edo101 View Post

My Motherboard is an Asrock X58 Extreme 3 which uses the VIA VT2020 card
My reciever is an older Pioneer VSX D412

Speaker is Bose Acoustimas Series 6. But the way the speakers are wired, the can be hooked to a 3.5mm jack with an RCA end.
So you are saying I would get 5.1 with just using the anolog setup presumably? Presumably the VIA chip would do the 5.1 mixing with Dolby and DTS?
Ok, now we are getting somewhere!

The mobo onboard soundcard doesn't have DTS support, and as VIA chip I don't think there are any modded drivers like with Realtek where you could "unlock" the DTS support.

The receiver doesn't have HDMI support but it does have analog input support for external surround-audio source/DAC.

You have 2 options:
1. Use the 3.5mm analog outputs of your onboard soundcard to get 5.1 surround sound in games. Read the page 15 from the receivers manual. Manual PDF
2. Get a soundcard that has DDL or DTS encoding support to use the DAC of the receiver. IIRC even the Xonar U3 has DDL encoding support, and it's a USB-soundcard.
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