Improve Bluetooth audio latency on HifiBerryOS

Hi there,

I’m trying to figure out if there’s any way to reduce the Bluetooth audio latency when using HifiBerry OS. I’ve tried several Bluetooth sources and they all seem to result in around 300 - 400ms delay in the audio. Side note, it seems to increase to almost 1s sometimes, and a reboot is needed to get it back down to 300ms. Current setup is:

  • RPi 3A+
  • DAC+ DSP board.
  • HifiBerry OS 20200424

I currently have everything disabled other than Airplay and Bluetooth. These are the only services I plan to use. Airplay seems to work great with unnoticeable delay. It’s just the Bluetooth. 


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