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A2DP plays mono while HSP plays stereo (pipewire)

jp flag

I have Sony WH-1000XM4 and MDR-XB650BT headphones. Both, on some video files, play a mono sound of bad quality while using an A2DP profile. Switching to HSP helps. I tried a few things so far, to avail:

  1. Upgraded from PulseAudio to Pipewire
  2. Tried to extract the audio track and re-encode it as mp3.

Here is an example https://www.dropbox.com/s/o9zq732vs7a70uc/test.mp3?dl=0

krokodil avatar
jp flag
I also tried to disable auto profile switching by adding `bluez5.autoswitch-profile = false` to `.config/pipewire/media-session.d/bluez-monitor.conf`. The theory was it was falling back to H2F profile which is mono. It did not help :(
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