Troubleshooting Sound

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RaspiOS "Bullseye" integrates pulseaudio more tightly in the system, and it will reserve your audio devices! Make sure you remove and purge it:

sudo apt remove pulseaudio*
sudo apt purge pulseaudio*



Jack Audio


  • Installing jack with apt is buggy as all hell due to some problems with dbus, you should remove & purge the apt version and use the jackd_source script: python -m autopilot.setup.run_script jackd_source


If using HiFiBerry DAC+ ADC pro or HiFiBerry Amp2,

  • Make sure you are not using any of the GPIO Pins as Digital_Outputs : 3, 5, 12, 35, 38, 40, 7
  • Add pin 7 to the 'PULLUPS' Pref (pin 7 is a mute button)

Audio stub