Sound fix for xonar u3 on Ubuntu 19.10 [20.10 still working]:sound:

If you're having some problems with crackles on the audio output consider doing this method.

  1. open your terminal
  2. gedit /etc/pulse/daemon.conf
  3. copy this code below and paste at daemon.conf

You must have pulseaudio installed on your system before doing this.

    resample-method = src-sinc-best-quality
    default-sample-format = float32ne
    enable-remixing = yes
    default-sample-rate = 48000
    deferred-volume-safety-margin-usec = 16000
    default-fragments = 8
    default-fragment-size-msec = 60
    nice-level = -15