BalenaSound on Pi Zero with HifiBerry zero does not play

Hi There,

BalenaSound on Pi Zero with HifiBerry zero does not play. Some things seems to went fine:

  • Define DT parameters “i2c_arm=on”,“spi=on”,“audio=off”
  • BALENA_HOST_CONFIG_dtoverlay hifiberry-dac

The device is visible in Spotify, there is says ’ listening’ . However in the log file:

12.07.20 21:07:55 (+0200) spotify ALSA lib pcm.c:8424:(snd_pcm_recover) underrun occurred

As i read on the forum i tried to disable multiroom (status = Exited) but the bluetooth-audio is still running. I want to disable those because there no need i hopefully the CPU usage will be lower and the underrun will be solved.

Any tips and trics are welcome.

Best regards,


It looks like this is related to audio stuttering issue you can try some troubleshooting methods mentioned here

We can also try and reduce the bitrate to 160 and see if underrun issue is resolved. You can update this in spotify/


hey Amit,

Thanks for you reply. I went to to the bluetooth-audio termal i found a in /usr/src. Howto edit this file in BalenaCloud? (I’m a BelenaCloud newbie)

Thanks in advance!

Best regards,


Hello Vincent, I think the file Amit was referring to should be Did you deploy balena-sound directly though the Deploy to Balena button?
If changes need to be made to the application then you will need to go through the “manual” deploy steps. Have a look at for more information and let me know if you need any other help with this.