this post was submitted on 20 Jan 2025
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Bluetooth audio issue when dual connected (lemmy.nz)
submitted 1 week ago by [email protected] to c/linux
5 comments fedilink hide all child comments
 

I'm using Mint, I keep it updated.

I have the Shokz open run pro headset.

When connected to my phone, they work without issue.

When connected to my laptop, they also work without issue.

When connected to both my phone and laptop, I can get good sound from my phone, but the laptop sound starts well but usually within 60s it becomes very unreliable. The sound just doesn't seem to transfer to the headset.

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[–] [email protected] 3 points 1 week ago (1 children)

What version of Mint? Do you know what sound system you’re using? Pulse or the new pipewire (depends mostly on Mint version).

[–] [email protected] 3 points 1 week ago (1 children)

Mint 21.3
Kernel 6.8.0.51 generic

pipewire --version
Compiled with libpipewire 0.3.48
Linked with libpipewire 0.3.48

[–] [email protected] 2 points 1 week ago* (last edited 1 week ago) (1 children)

You should consider increasing your pipe wire buffer size or time quantum.

You can use pw-top to see if you’re falling behind processing frames perhaps because you’re not able to meet the configured latency requirements, causing silence to come out when you’ve got too many requests.

I will say there’s a lot of Bluetooth stack under your audio stack, so there’s a whole myriad of possibilities here.

[–] [email protected] 3 points 1 week ago

Nothing to see, this was during the weird sound.

I'm not sure if it is an issue on the PC end or the headset end.

[–] [email protected] 1 points 1 week ago

I don't know much by way of relevant levers on the Linux side that you could pull that might affect behavior on the headphones side.

If you can disable aptX (on my system, you can see this in the device settings in pavucontrol) you might get lower-quality but more-reliable sound.