[pulseaudio-discuss] Bluetooth headset HSP/HFP sound not working but microphone is

[Bram Lagerweij]

Dear pulseaudio,

I've, for year's, been happily working with pulseaudio on ubuntu. 
Recently an issue appeared with the combination with my headset Sony 
WH-H900N. It used to work in the following two profiles:

 1. HSP/HFP mode with microphone & sound
 2. A2DP for high quality sound only (I combine this with an LDAC profile)

I'm not sure since when, but I'm profile 1 is not working any more. The 
microphone is, but the sound does not come through. I do hear more 
static when it switches to the HSP/HFP profile but nothing that I play 
gets to sound from the headset. The exact problem, and the related issue 
search is documented as askubuntu 
<https://askubuntu.com/questions/1328334/bluetooth-headset-hsp-hfp-sound-not-working-but-microphone-is>. 
Do you know what is wrong and how to fix it? Did anything regarding 
HSP/HFP change on the pulseaudio side. Or could you help me getting to 
the exact cause of the problem?

Kind Regards,
Bram Lagerweij

askubuntu link: 
https://askubuntu.com/questions/1328334/bluetooth-headset-hsp-hfp-sound-not-working-but-microphone-is 
<https://askubuntu.com/questions/1328334/bluetooth-headset-hsp-hfp-sound-not-working-but-microphone-is>

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