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Crackling/Distorted Audio in Windows 8 with WASAPI

somestranger

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Hi, I have been using MPC-HC + ReClock (WASAPI) + madVR in Windows 7 without issue for a while now, and it was also working fine for the first 2 days I had Windows 8 installed. Now I am getting horrible crackling sounds and dropouts starting ~1 second in while using WASAPI output. ReClock works perfectly fine if I set it to DirectSound output, and WASAPI works fine in other applications.

I have tried reinstalling audio drivers, filters, reclock, mpc-hc, plugging in my USB DAC to different USB controllers (and using different cables), changing buffer settings, setting to defaults, clearing clock / frame databases, etc; I tried everything I could possibly think of and I can't get it working correctly. I used GraphStudioNext to verify that the audio being output by LAV / ffdshow is being decoded correctly and that the problem is somehow with ReClock. I would post a sample of the audio but I'm not sure how to capture it after it is rendered.

The problem occurs with every file I've tried it with, and both ffdshow-tryout and LAV audio decoders.

I noticed that there is a warning in the log file but it also occurs when using DirectSound so I don't think it is the problem:
0.23s 000964 WARNING Failed to find IAudioChannelConfig interface

Here is the log using WASAPI (too big to attach): http://pastebin.com/7YjGgQz7

I also attached screenshots of my settings also, but it isn't even working with WASAPI using default settings.

Thank you for looking at this; I hope there is a way to fix it because I love the sound quality that ReClock + WASAPI producecs!
 

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try Fidelizer? There might be something hijacking your MMCSS :policeman:
 
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