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Why are there sound glitches with Bluetooth audio in Linux when the BT and Wifi share the same chipset? (lemmy.world)

submitted 1 year ago by [email protected] to c/[email protected]

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Recently, I ran into an issue where my bluetooth headphones suddenly got super glitchy when working from my parents house. I found out from the Arch Wiki (see Section 2.4.5) that the reason is that in my laptop the Bluetooth and Wifi are on the same card/chip.

I was able to mitigate by forcing my wifi to 5Ghz. But I am wondering the why behind this. I know BT and older wifi protocols operate in the same 2.4Ghz range. But as the wiki states, this is not a problem on Windows, only Linux. So it must be a driver thing? But for it to be not tied to any specific hardware in the wiki, is it just an architectural thing that can't be fixed in the kernel or something?

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[–] [email protected] 2 points 1 year ago (1 children)

Is there heavy interference at your parents house? (i.e. appliances)

[–] [email protected] 2 points 1 year ago

Nope. Actually now that I think about it, it happened at my fiancés mom's place. She has an old ass router from the phone company. It happened on that. And her connection was slower than tethering off my cell phone. But it happened there too. Then I found the answer in the arch wiki, checked/unchecked the box in Hotspot settings on my phone to force 5g, no problems after that.