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Audio outputting to all channels in multichannel configuration #457

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opened 2026-02-20 19:26:05 -05:00 by deekerman · 9 comments

deekerman commented

2026-02-20 19:26:05 -05:00

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Originally created by @RaspyAU on GitHub (Feb 7, 2015).

Hi guys.

Running Windows 8.1 and Mumble 1.2.8 client and I've always had an issue where Mumble outputs voice to all available channels. So in a 5.1 configuration, I get voice output from left, right, center and rear speakers. Its very loud as a result and makes using it rather difficult.

Previously I would get around this by using headphones but its just reached a point where its just too frustrating.

Would it be possible to implement a channel output override?

Originally created by @RaspyAU on GitHub (Feb 7, 2015). Hi guys. Running Windows 8.1 and Mumble 1.2.8 client and I've always had an issue where Mumble outputs voice to all available channels. So in a 5.1 configuration, I get voice output from left, right, center and rear speakers. Its very loud as a result and makes using it rather difficult. Previously I would get around this by using headphones but its just reached a point where its just too frustrating. Would it be possible to implement a channel output override?

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2026-02-20 19:26:05 -05:00

deekerman commented

2026-02-20 19:26:07 -05:00

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@MonkeyCrumpets commented on GitHub (Feb 7, 2015):

Seconded. Not only is the loud volume irritating but having the sound come from all speakers at once in a 5.1 system makes it seem like the sound is coming from inside your head which is very distracting and fatiguing. It would be nice to be able to manually set which speaker(s) to use (eg. centre or left and right fronts only) or failing that, the number of output channels (eg. mono, stereo, 5.1 etc).

@MonkeyCrumpets commented on GitHub (Feb 7, 2015): Seconded. Not only is the loud volume irritating but having the sound come from all speakers at once in a 5.1 system makes it seem like the sound is coming from inside your head which is very distracting and fatiguing. It would be nice to be able to manually set which speaker(s) to use (eg. centre or left and right fronts only) or failing that, the number of output channels (eg. mono, stereo, 5.1 etc).

deekerman commented

2026-02-20 19:26:09 -05:00

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@RaspyAU commented on GitHub (Mar 22, 2015):

Can we get an update/acknowledgement on this issue?

@RaspyAU commented on GitHub (Mar 22, 2015): Can we get an update/acknowledgement on this issue?

deekerman commented

2026-02-20 19:26:09 -05:00

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@MoonSha commented on GitHub (Apr 6, 2015):

Hey RaspyAU, I've been annoyed no end by this so I found a hacky workaround, create a file called avrt.dll and put it in your mumble directory. It breaks the WASAPI sound system from loading so it falls back to directsound which doesn't have this issue, you may have trouble getting your mic to work but I was able to use ASIO on mine.

@MoonSha commented on GitHub (Apr 6, 2015): Hey RaspyAU, I've been annoyed no end by this so I found a hacky workaround, create a file called avrt.dll and put it in your mumble directory. It breaks the WASAPI sound system from loading so it falls back to directsound which doesn't have this issue, you may have trouble getting your mic to work but I was able to use ASIO on mine.

deekerman commented

2026-02-20 19:26:09 -05:00

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@RaspyAU commented on GitHub (Apr 6, 2015):

Excellent. Much obliged MoonSha! I will give that a try.

@RaspyAU commented on GitHub (Apr 6, 2015): Excellent. Much obliged MoonSha! I will give that a try.

deekerman commented

2026-02-20 19:26:09 -05:00

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@MoonSha commented on GitHub (Apr 9, 2015):

So I quickly discovered that the avrt.dll trick broke the volume suppression, so I checked the console log and found that mumble was trying to open a 2 channel audio "stream" but the driver was rejecting it. Based on that I updated my x-fi drivers to Daniel_K unofficial drivers and fingers crossed the problem seems to have stopped, the log no longer reports that it's failing to open a 2 channel stream.

@MoonSha commented on GitHub (Apr 9, 2015): So I quickly discovered that the avrt.dll trick broke the volume suppression, so I checked the console log and found that mumble was trying to open a 2 channel audio "stream" but the driver was rejecting it. Based on that I updated my x-fi drivers to Daniel_K unofficial drivers and fingers crossed the problem seems to have stopped, the log no longer reports that it's failing to open a 2 channel stream.

deekerman commented

2026-02-20 19:26:09 -05:00

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@mfasse commented on GitHub (Sep 4, 2015):

There is a similar issue from 2013 on sf.net and not a word about it since then :/

@mfasse commented on GitHub (Sep 4, 2015): There is a similar issue from 2013 on sf.net and not a word about it since then :/

deekerman commented

2026-02-20 19:26:09 -05:00

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@MoonSha commented on GitHub (Sep 4, 2015):

I haven't had a problem since changing audio drivers so I think it's safe to say the issue is caused by some miscommunication between mumble and the soundcard.

@MoonSha commented on GitHub (Sep 4, 2015): I haven't had a problem since changing audio drivers so I think it's safe to say the issue is caused by some miscommunication between mumble and the soundcard.

deekerman commented

2026-02-20 19:26:09 -05:00

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@mfasse commented on GitHub (Sep 4, 2015):

Tried all drivers available for my sound card and no other audio application seems to have this problem.

@mfasse commented on GitHub (Sep 4, 2015): Tried all drivers available for my sound card and no other audio application seems to have this problem.

deekerman commented

2026-02-20 19:26:09 -05:00

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@brokenhands commented on GitHub (Sep 24, 2015):

As another 5.1 user I'd love this feature. The all-around sound breaks the point of having a surround system for gaming.

@brokenhands commented on GitHub (Sep 24, 2015): As another 5.1 user I'd love this feature. The all-around sound breaks the point of having a surround system for gaming.