Thanks for all the info, guys! I have lots of things to try, now. I'll let you know how it goes. For now, bluez-alsa works, I still have Pipewire to test. Regards, Zala ------- Original Message ------- Le dimanche 26 juin 2022 à 09:58, Stuart Longland <stuartl@xxxxxxxxxxxxxxxxxx> a écrit : > On Wed, 22 Jun 2022 11:45:22 +0000 > Zala Pierre GOUPIL via Alsa-user alsa-user@xxxxxxxxxxxxxxxxxxxxx wrote: > > > I don't know which compilation option is missing this time but I have > > a problem accessing a Bluetooth headset: I can pair and trust it but > > the only connection to it that is proposed to me is through the > > serial port of the headset. Needless to say that no sound is produced > > here. > > > You're not alone in compiling your own kernels… Bluetooth is a bit of a > strange beast, the host controllers have kernel drivers, but for things > like peripherals, there's a userspace driver stack called BlueZ that > talks to the peripheral. > > There are three ways I know of to access audio devices in this manner: > > 1. PulseAudio BlueZ plug-in: this has been the "official" way for some > time now. A2DP is pretty mature, but I find I only get low-quality > audio when used full-duplex. > 2. PipeWire BlueZ plug-in: Experimental, combines features of both > PulseAudio and JACK (which is real nice), but there are some sharp > edges. PipeWire is steadily improving however, and features CODECs > that provide better quality audio CODECs on Bluetooth. > 3. Bluez-ALSA: Skips the user-space media stack and links ALSA directly > up to BlueZ. Haven't tried it in a looong time, the latest version > is a re-write of the earlier attempt. > > I'm having reasonably good results with (2). With some coaxing, you > can get headsets to operate in mSBC mode when being used full-duplex, > which yields somewhat improved audio quality over the standard > telephone-quality audio usually available. > > (3) is apparently landing in Debian 12 if that's the distribution you > use. It is in the Gentoo portage tree. Not sure about Red Hat/Fedora > derivatives. > > I note Ubuntu 22.04 seemed to ship PipeWire, so it may be starting to > replace PulseAudio already. > -- > Stuart Longland (aka Redhatter, VK4MSL) > > I haven't lost my mind... > ...it's backed up on a tape somewhere. _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user
