https://guh.me/solving-creative-sound-blaster-x-fi-titanium-crackling-slash-distortion-on-linux
The trick is disabling PulseAudio’s timer-based scheduling. Fire up the terminal, then type:
Look for the line that contains load-module module-udev-detect, and append tsched=0 to it. Now it should look like this:
Save the buffer and exit the editor, then restart PulseAudio with the following commands:
