Re: can't get the sound settings stable for my headset

the hardware is a bluetooth headset LG-HBS-XL7. thanks for getting back to me.

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On Wed, Sep 25, 2024 at 8:03 AM Max Nikulin <manikulin@gmail.com> wrote:

On 25/09/2024 14:24, Anssi Saari wrote:
> Max Nikulin writes:
>
>> On 25/09/2024 02:27, tom arnall wrote:
>>> immediately changes to handsfree, which produces only a hum in mono
>>
>> Is it a Bluetooth headset? That case see Debian wiki for limitations.
>
> Which part of the wiki? There seem to be a bunch of bluetooth pages in
> the wiki but searching for bluetooth limitation doesn't seem to return
> anything relevant.

https://wiki.debian.org/BluetoothUser/a2dp

I admit, page name is a bit confusing in the context of headset.

Specific device may support only speech-grade bidirectional codecs.
There may be issues with support of specific codec in PulseAudio or in
PipeWire. However GNOME has hard dependency on PipeWire and in bookworm
it supports more codecs than PulseAudio. LC3 requires adjustment of
bluez configuration.

I am unaware of a tool that may report all codecs supported by device.
pactl shows only codecs supported by pipewire/pulseaudio.

However we still do not know if it is USB, Bluetooth, or a dumb headset
with audio jack.