[Discuss] Bluetooth

[Jerry Feldman]

I have a Bluetooth headset that I used for my phone and for the TV in the
condo. I use cheap earbuds for meetings. I have them plugged into a USB
adapter
https://www.amazon.com/dp/B07L56C28R?ref=ppx_pop_mob_ap_share

Most of the earbuds you get with a phone work fine. I have them plugged
into a USB hub on my desk.

--
Jerry Feldman <gaf.linux at gmail.com>
Boston Linux and Unix http://www.blu.org
PGP key id: 6F6BB6E7
PGP Key fingerprint: 0EDC 2FF5 53A6 8EED 84D1  3050 5715 B88D 6F6
B B6E7

On Thu, Oct 29, 2020, 3:07 PM <epp at mcom.com> wrote:

> I bought a USB Bluetooth dongle that works with Linux and have
> successfully paired two different headphones to it. The headphones are
> primarily for use with mobile phones.
>
> The PulseAudio Volume Control shows two profiles:
>
> High Fidelity Playback (A2DP Sink)
> Headset Head Unit (HSP/HFP)
>
> One of the headsets shows both profiles, the other only shows A2DP.
> When I use the headphones with both profiles, switching it to HSP/HFP
> should then allow microphone access, but it also switches the audio to
> the PC speakers. The resulting audio from both headphones, is nothing
> short of perfect.
>
> The headset with only the A2DP profile, shows HSP/HFP as 'unavailable'
> in the PA Volume Control.
>
> However, in trying to test the other headset's microphone at one of the
> test web sites, I can't get the microphone to turn on. The button to
> activate it, I presume, would be the same button that's pressed when
> answering a phone call. And all I hear is a 'beep' when that's pressed.
>
> At this point, can it be reasonably assumed that this type of headphone
> will not work with the PC and something special would be required? I
> also have a set of wired Logitech USB headphones that includes a mic
> and those work perfectly. The mic built into the (apparently, cheap)
> web cam is junk, so I wanted to be able to use something wireless for
> online meetings, rather than deal with a wired headset.
>
> Thanks in advance.
>
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