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[SOLVED] [Win7SP1 x64] DPC, I've tried everything so far.

softwaremaniac said:
Oh, you're using Asus Xonar sound card. Please disable Smart Volume Normalization and see if that helps. I've struggled for months with this.
Click to expand...

Yes. Do you know how to do that? I can't find the option anywhere, and on the manual there's only a list of advantages of this "Smart Volume Normalization", no mention on how to turn it off. Anyway, I'll disable the sound card meanwhile to see if it makes any difference.
 
softwaremaniac said:
Go into your Xonar Audio Center. You'll see a button labeled SVN, click on it, so it doesn't have the blue highlight around it.
Click to expand...

Yeah, I don't have Xonar Audio Center anymore, since I've downgraded to Windows 7. I've disabled the sound card anyway, but I still have input lag.
 
I've unplugged my keyboard while the latency was making those annoying popping sounds. After I've heard the sound of the USB unplugging (which was very delayed by the way), the popping stopped. But when I was about to plug it in again, I think I've heard another pop. I might have to try this more to see if unplugging the keyboard is really affecting the latency, even for a few seconds. I've also tried to change my keyboard after that, with another usb mechanical keyboard (both keyboards have 2 usb plugs, because they have a port on the side in which you can plug in your mouse), but even with the other keyboard I've had latency problems.
 
Update: I've opened my PC and cleaned all the dust from fans, graphic cards (which I've also switched in the PCI sloths), and hard disks. Even though the latency is still quite high (2000-11000 μs), I've not been experiencing the audio crackling and popping since then (48 hours now). It might have helped.
 

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