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What's the best quality Linux Bluetooth audio experience for both me and the people I'm talking to? (self.linux)

submitted 5 months ago by bitwaba to c/linux

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My mini ITX motherboard doesn't have as many USB ports as I'd like. I've also decided 2024 is the year I try to kill off all my USB micro devices and replace them with USB-C (sorry PS4 controller). So I'm going to go Bluetooth as much as it makes sense (because of the limited USB ports), and use devices that charge over USB-C

For communication during gaming over discord I've been using a Logitech g933 for about 8 years with the USB receiver, so that's on the chopping block.

I'm quite happy with the sound quality for music I currently get out of my Bluetooth headphones. A2DP gives a really great experience. Using those same headphones as a communication device with Discord for both recording and playing audio is really awful though as it kicks back to HFP/HSP. So I was wondering if it's possible to do a dedicated Bluetooth microphone? And more importantly: does connecting a micrpphone-only device over Bluetooth still need to be in the HFP/HSP profile to work?

To be clear: my goal is to be wires-free for my audio solution, while having both a high quality audio output to hear my beloved gaming companions AND to have a high quality (or at least clear quality) audio input so my beloved gaming companions can hear me. The microphone built into Bluetooth headphones is generally shit and sounds like being on a cell phone call from 1999, even when using it on an android or Windows machine that gave custom Bluetooth stacks that don't fall back to HSP. That's why I'm interested in using a dedicated high quality (probably condenser?) microphone, I'm just unsure if that high quality makes it back to the computer when connected through Bluetooth.

From the last couple hours of searching and reading I can only seem to find information regarding Bluetooth recording+playback combined headsets and the A2DP/HSP stuff. I can't seem to find anything about regarding dedicated microphones quality over Bluetooth.

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[–] bitwaba 1 points 5 months ago

Yeah, my current wireless headset with a USB dongle has great quality for both sound and mic. But I have limited USB A ports on my motherboard, so I'm trying to move to purely Bluetooth to free up the USB port. Bluetooth sound output on a headset works fine, the only open question I have is Bluetooth sound input quality, because I can't find any useful information after a couple of hours of searching about dedicated microphone devices and their audio quality over Bluetooth.