Very poor sound quality on HSP/HFP profile, BT Sony headset

I’ve recently bought BT Sony headset. When I switch it to A2DP profile everything works fine. But when I switch to HSP/HFP for videoconference the sound is so terrible that I cannot understand other participants. Is there anything that can be done about that? It’s really annoying I cannot use my headset for conferences when I bought them exactly for that.

External audio works only after plugging and unplugging a headset

I have a laptop running Ubuntu 18.04. It worked just fine until recently when it stopped playing audio after booting. Every time I reboot the system I have to plug in and then plug out a headset in order to make the built in speaker work.

I think the issue might come up with an update, because I didn’t make any system changes at the time when the issue showed up.

How restore sound to its normal state?

Bluetooth headset SONY cannot connect – nothing worked

I cannot connect my bluetooth Sony headset. I’ve read many similar threads so I’ve already done: 1. Blueman installed 2. in /etc/bluetooth/main.conf I added lines:

AutoEnable=true Disable=Headset Enable=Source 

BT claims that headset is connected fine but it is not listed on output devices list. Headset does not reacts (no “bluetooth connected” information”). I’ve connected that once before but it didn’t want to set the A2DP profile so I dispaired it and I cannot connect it properly again. What have I missed?

bluetooth headset cant connect

I have a clean-installed Lubuntu-18.04.3.
I have installed pulseaudio-module-bluetooth 1:11.1-1ubuntu7.2 amd64.
I have a new bluetooth USB dongle plugged in, and a bluetooth headset nearby.
I have rebooted.
I have a bluetooth icon showing in my taskbar.
When I click on it I get a menu, including an entry for my bluetooth headset.
The entry has a submenu with only 1 item – “Connect…”.
When I click on that a new small window opens, titled “Connect Device” and an error message “Connection failed – Use the audio menu to connect to this device”.
I’m assuming that “the audio menu” means Pavucontrol > Output Devices, but the only device there is Built in Audio Analog Stereo > Line Out.

/var/log/syslog :
Aug 9 15:28:57 i7 bluetoothd[771]: Endpoint registered: sender=:1.51 path=/MediaEndpoint/A2DPSource
Aug 9 15:28:57 i7 bluetoothd[771]: Endpoint registered: sender=:1.51 path=/MediaEndpoint/A2DPSink
Aug 9 15:28:57 i7 pulseaudio[1270]: [pulseaudio] backend-ofono.c: Failed to register as a handsfree audio agent with ofono: org.freedesktop.DBus.Error.ServiceUnknown: The name org.ofono was not provided by any .service files

I can see lots of questions being asked on this very subject, with unhelpful answers being given.
What is “the audio menu” and how do I get one?

MPlayer won’t send audio output to bluetooth headset

This is the first time I try to pair a bluetooth device on Ubuntu. This is an up-to-date 18.04, and the device is an Andoer LH-811.

blueman-applet is detecting the headset and pairing successfully, but after pairing the audio still ouputs through the laptop speakers.

It appears from blueman-manager that the device is connected as Serial port even when I choose Synchronie audio (French equivalent to Audio sink, I guess ?) or Handsfree, and nothing happens when I change it back to these options.

Furthermore, I can’t change the profile to HSP/HFP : I get the error

Failed to change profile to headset_head_unit

On pavucontrol I can change the volume of the headset, and I hear the test sound of the volume in the headset, but I can’t seem to select the headset as default output, even playing with the “set as alternative” buttons.


Figured it works with aplay and firefox, so it seems to be an mplayer issue. I tried mplayer -ao pulse movie.avi without success, and mplayer -ao alsa:device=bluetooth with an .asoundrc containing pcm.bluetooth { type bluetooth }, as suggested elsewhere, didn’t help either.

How do I make mplayer audio output through the bluetooth headset ?

Connect Bluetooth 4.0 Headset

I am trying to connect my bluetooth headset.

Jabra Talk 45


Bluetooth® compliance Bluetooth® version 4.0

Supported Bluetooth® profiles Advanced Audio Distribution (A2DP) v1.2, AVRCP ABS only. Hands-free profile v1.6, headset profile v1.2, phone book access profile (PBAB) v1.0

Supported modes EDR (2 and 3 Mb), SCO, eSCO, sniff mode

It is not shown in the list of devices.

enter image description here

Work-around to get USB-C headset to work for calls (in Android smartphones)?

It is an interesting, albeit frustrating, phenomenon of late that manufacturers of soft- and hardware these days (including Huawei, Samsung and apparently also Google) release new products which do not function as advertized:

I use my usb-c setup for mostly listening to hi-res music, it’s annoying when I get a phone call and I have to disconnect my USB-c headphones to answer the call. Seriously Samsung needs to get there head out of the ass and fix this problem. How can every other flagship phone handle this including the OnePlus 6.


bump. So I did some bumming around. I don’t think it’s the equalizer that’s the problem. I think the phone app is incapable of routing calls through USB-C.


Google acknowledges Pixel 2 USB-C headphone adapter issue, says fix coming


It’s 2018 and USB Type-C is still a mess


How USB Type-C Has Failed Android Smartphone Users

Here’s what I’m confronted with: Huawei P10 with up-to-date software as of 3 Sep 2018, build nr. VTR-L09 and “Dialer” app/process (?) version nr. and Huawei Active Noise Cancel(l)ing Earphones 3 (cm-Q3) where sound works and calls through other apps like WhatsApp works but not through the standard telephone app. Any ideas on how to route standard phone calls through another (trustworthy…) app?

Other than finding a viable work-around all I can do is to hope that a fix will percolate through eventually through an update…