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5.1 sound not working correctly in ONI or DST

outseeker

By outseeker

    • Branch: Live Branch Version: Windows Pending

Sound only comes out of the front L/R speakers, rear L/R and Center are silent. This happens with both ONI and DST.

Steps to Reproduce

I will try to explain what I have running:

  • Creative Sound Blaster X-Fi Titanium Sound Card
  • (via Creative Audio Control Panel) Dolby Digital Live Output (via optical cable), X-Fi CMSS 3D in Stereo Surround Mode- Upmixing: On
  • Pioneer amp in Dolby mode to receive and decode the digital audio
  • 5.1 Speaker system

Basically what Creative have going on is any stereo audio sent to the Default Windows Sound Output Device (Speakers) is supposed to be upmixed and sent out digitally to the amp. This works great in most cases, where the audio source is Stereo PCM, though I believe if there are more than 2 channels in the source audio, Creative will just pass it through without modification. This brings me to my problems with ONI and DST audio..

When I open ONI or DST, audio only comes out of the front 2 speakers, with the center 2 rears silent. I actually can't explain why that is.

Sorry to put this in the form of a bug report.. I realise it's kinda supporting a single user's specific hardware, but I have tried looking up info on FMOD and Unity, looking for command line switches or anything I might be able to use to get your games to output the audio I need, but I've come up short.

Any chance you could perhaps give me some information/help so that I might be able to fix it myself? I mean ONI has basically zero audio options, but FMOD has the ability to list audio devices and select one, so that options menu functionality would possibly sort me out, but I found some FMOD commands to do the job myself I think, only I don't know how to interact with FMOD via ONI.

The link below had a reply that explained "The best way to change the output device that FMOD uses", and I wanted to query FMOD via ONI.

https://qa.fmod.com/t/switching-audio-output-device-esp-for-vr/15386/2

Failing all of that, are you able to please tell me what format/what is going on with audio output in your games? How am I getting 2 channel audio output instead of 5..?

I'd love to better understand why I have this problem, and if it's supposed to be like this for all surround sound users. Knowing your audio output format details would really help for a start, as I am kinda guessing a bit.

Google Chrome initially had a similar problem until I added --try-supported-channel-layouts to the command line, if that helps or means anything to you. I'd be very happy to learn of some command line options to fix the games in the same way if that might be at all possible.

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User Feedback


outseeker

Perhaps an explanation is that FMOD is taking direct control (maybe by outputting "5.1"), however it's only using 2 channels, which end up at my 2 front speakers.

Some basic audio device selection/any available format options would be so magnificent for your games, if you could possibly manage? I hope it's not too great an imposition..

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outseeker

Just a tiny bit of maybe helpful info, or some 5.1 support? ^_^

I will check back each month I guess :)

Are your games actually supposed to be 5.1 compatible? or interacting with system's speaker layouts/setups/outputs at all? My Windows sounds (like warnings and stuff) come out of all speakers simultaneously as they should, so I'm not sure why the audio is so impossible to get working in these games. Maybe it's some Unity thing that needs special consideration? 2 channel audio output is set up, but in a way that forces the output to be 2 channel, and not upmixed?

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