[PD] Issue with PD .50.0 + Windows Driver?

Andrew Lyons tstexture at gmail.com
Mon Jan 6 19:42:12 CET 2020

I would hazard a guess that the Asio/mmio input/output combination is the
problem. Does the ASIO:Realtek ASIO output option work? Have you run the
"Sound settings" troubleshoot tool?

I found the distorted output to be related to block size and delay values
in pd prefs/audio settings. Making those values larger cleaned things up.

On Mon, Jan 6, 2020, 10:27 AM Rick Snow <ricksnow at gmail.com> wrote:

> Hello list,
> I wonder if someone here can give me some advice..  I am in a situation
> where I need to run PD in coordination with Processing on a high end
> windows machine running Windows 10.  Everything worked perfectly until this
> morning.  Now PD’s audio is not working at all.  Audio from a web browser
> works fine.  Audio from Audacity works fine although I don’t see any
> options for an input audio device (not that I have one plugged in).
> When I open PD and run test audio midi I get this error message:
> “error opening audio: Illegal combination of I/O devices”
> When I open Audio settings, I have:
> input: ASIO: Realtek ASIO
> output: MMIO:Speakers (Realtek(R) Audio)
> There are no other input device options.
> For output I have these options:
> MMIO:Microsoft Sound Mapper - Output
> MMIO:Speakers (Realtek(R) Audio)
> MMIO:PHL 276E8V (2-NVIDIA High Defi
> MMIO: Digital Audio (S/PDIF) (Realtek
> ASIO:Realtek ASIO
> If I turn off the input device (uncheck) I am able to get a very distorted
> test tone.
> This problem seems to have started soon after I tried changing my screen
> resolution and then changing the pd font size and stretch options. I don’t
> know if this had anything to do with the problem or not though.
> I have tried reinstalling PD a couple times and reinstalling the Realtek
> drivers.
> Thanks for any advice.
> Cheers,
> Rick
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