[sclug]   linux Bluetooth problem

Bob Redknap r.s.redknap at reading.ac.uk
Thu Apr 23 21:46:02 UTC 2020

Just a follow up.
The good news …
I used the Software Manager on Peppermint 3 to install PulseAudio (again), along with various pulse addons and plugins from a long list of options, if the name suggested a link to Bluetooth.

After rebooting, I opened up the Bluetooth Manager shortcut from the desktop. It already saw the BT speaker from previous pairings, and when I selected a music track from an audio CD it did play it through the BT speaker ! Amazing.
But it was too loud and the default desktop volume control moved up and down, and did nothing. A pop-up said to use a volume control on a pulseaudio mixer, but I can’t see the mixer anywhere. Maybe it’s a command line thing.

The bad news …
I turned off the BT speaker, turned it back on … and it won’t play.

At least I did hear something. Getting closer …


From: Steven De Souza-Wilson <steven at desouza-wilson.com>
Sent: 23 April 2020 13:43
To: Bob Redknap <r.s.redknap at reading.ac.uk>
Cc: sclug at sclug.org.uk
Subject: Re: [sclug] linux Bluetooth problem

Hi Bob

First thing i would do is confirm thst the speaker is workong, by pairing to a phone. I have actually had this start a similar speaker start working with other devices in tbe past


---- On Thu, 23 Apr 2020 13:11:50 +0100 sclug at sclug.org.uk<mailto:sclug at sclug.org.uk> wrote ----
Hello Sclug,

From a long-time not-so-active member on this list, I would be grateful for any suggestions on how I might fix a Bluetooth problem.

I  have Peppermint 3 (on a couple of old tower boxes with different m/b’s: one is a Dell Dimension 2400 and the other a hybrid) and an unused Bluetooth speaker.
Sound from an audio CD comes out of the headphone socket and ‘Bluetooth Manager’  does pair and talk to the BT speaker saying ‘success’ when prompted, and it shows bytes have passed up and down the link.
But no sound ever reaches the BT speaker.
I can activate sound on the command line using e.g. aplay test.wav and this comes out of the headphone socket OK.

I think maybe it needs an extra plugin/addon/widget but I don’t know which one.

Peppermint 3 doesn’t seem to have a Sound settings in in its Prefs menu either, which might have been useful to tell it to use a BT output device.
I tried installing a Pulseaudio PAV volume control thing but it didn’t help. In fact, I had to delete pulseaudio altogether on one of the tower boxes to get any sound out of the headphone socket.

I would like to stay with Peppermint 3 and ‘Bluetooth Manager’ if possible, but I do have a variety of live Linux discs with any number of distros, and I would be happy to try one if I knew which one might work with a BT speaker, without a lot of extra fiddling around.

I did try installing parts of bluez, or all of it, but it got a bit confusing, and I didn’t see any GUI control, or how to make it work.
I have tried googling around but no good result so far.

I’m hoping there might be a diagnostic audio utility to run.
I have tried VLC, and a few other audio apps but they don’t seem to find the BT device I guess.

Thanks very much for any reply,

In Reading, Berks

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