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Noobie pulls hair out over Pa_OpenStream error message
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SteveThackery
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August 2, 2020 - 7:24 am
Member Since: November 5, 2018
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Hi,

I'm reluctant to bother you with every little problem, but this is one I cannot seem to fix.

PC is a newly built, clean Windows 10 machine.  RackAFX is version 7.0.1.9.

Problem:

1/ I load any .wav file into RackAFX

2/ I press the play icon, or hit the space bar

3/ An error message comes up: Pa_OpenStream failed: Invalid Device

https://www.dropbox.com/s/9o0k2i5j93cwp5q/RackAFXError.png?dl=0

Error messageImage Enlarger

In 'Setup Audio Devices' everything appears correct:

https://www.dropbox.com/s/4alote6j6w4thtr/RackAFXSetup.png?dl=0

SetupImage Enlarger

Outside of RackAFX everything works perfectly.  I can play, and record, wav files using Reaper or Audacity.

I am totally flummoxed - can anyone help?

Thanks!

Steve

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SteveThackery
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August 2, 2020 - 7:25 am
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Sorry, it won't show my screenshots, but the links will take you to the correct place.

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SteveThackery
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August 3, 2020 - 6:06 am
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Ah, it might be fixed.  Will wrote about a similar error message in another thread, suggesting it's a driver problem.

So, I worked through all the options for Input Device and Output Device in the 'Setup Audio Devices' dialog, and found that just selecting '- Input' and '- Output' (with Driver Type 'MME') works.

I have no idea why it wouldn't work with any of the other devices listed, but I'm posting this in case anyone else has a similar issue.

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W Pirkle
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October 21, 2020 - 10:08 am
Member Since: January 29, 2017
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Windows requires that the input and output drivers have the same time, WASAPI, MME, etc... If you are using Parallels, then it gets more complicated.

But, any Pa_stream failure message is because of some kind of incorrect setup in the audio drivers.

Will 

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