Octane and weird audio interface problem.

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Octane and weird audio interface problem.

Postby blobbybarack » Tue Jun 01, 2021 7:20 am

blobbybarack Tue Jun 01, 2021 7:20 am
Having a weird problem since ages and i never thought to post about it.

I'm using a external sound card, a pretty common one the Scarlett 2i4.
I'm using mostly ASIO protocol.
Using an 1000W power supply.
The issue append both with a power only by usb setup or with an extra powered usb hub.

Under heavy load with Octane sound starts crackling, like undersampled.
Having a lot of non working CPU power or memory left.

Having no issue with other GPU intense app, no problem with RNDR job.
This DAC is stable like hell in any other ways i used it.

Problem append at the beginning of a job after 1 or 2 minutes.
If i unplug/plug my soundcard during render everything will be back to normal during rendering until a new frame starts and the crackling sound will be back.


I have the same issue with differents workstations the same external audiocard and one other one (a really cheap m-audio one).
So i guess this is not hardware specific.

I never had any kind of problem with build in audio card on motherboard.

This is so weird, not a major big deal but i can't see a descent explanation to this....so it's bugging me hard .

Maybe you do have some kind of idea about this minor problem ?
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Re: Octane and weird audio interface problem.

Postby bepeg4d » Tue Jun 01, 2021 9:27 am

bepeg4d Tue Jun 01, 2021 9:27 am
Hi,
try to disable/uninstall the Nvidia High definition Audio driver :roll:

ciao Beppe
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Re: Octane and weird audio interface problem.

Postby blobbybarack » Wed Jun 02, 2021 10:45 am

blobbybarack Wed Jun 02, 2021 10:45 am
Good shot. :shock:
Working without the Nvidia High definition Audio driver since this morning without any problem.
This is so weird as i don't use any output suppose to used this.
Thanks for your help.

I'm still curious about this. Do you have any ideas why it doesnt or does work ? I just don't get it because this is not suppose to be used. :D
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Re: Octane and weird audio interface problem.

Postby bepeg4d » Thu Jun 03, 2021 6:02 am

bepeg4d Thu Jun 03, 2021 6:02 am
Great!

I suppose that, while rendering, the Nvidia Audio driver "feels" the external audio card, and wants to control it, giving conflict :roll:

Happy GPU rendering,
ciao Beppe
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Re: Octane and weird audio interface problem.

Postby prodigiosovolcan » Fri Jul 23, 2021 9:02 am

prodigiosovolcan Fri Jul 23, 2021 9:02 am
This was driving me mad, and this workaround actually did the trick! Thanks beppe!

P.S: I have the exact same audio interface, I don't know if this may be related in some way.
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