To change the latency of the bluetooth headset's port (e.g. Reasonable values must be chosen, because these settings can make the audio out of sync (e.g. If nothing of the previous is possible, a less effective mitigation is to tweak the fragment size and the latency on PulseAudio output port, trying to compensate interference. This approach works on Realtek 8723BE and latest rtl drivers for this chip from AUR. If your card/router does not support this, you can upgrade your WiFi drivers/firmware. Although this works seamlessly on Windows, this is not the case on Linux.Ī possible solution is to move your WiFi network to 5GHz so that there will be no interference. This is very likely to occur when the Bluetooth and the WiFi share the same chip as they share the same physical antenna and possibly band range (2.4GHz). Restoring write permissions fixes this issue:Ĭonnecting works, but there are sound glitches all the time If this is the case, you may get the device to work by removing and re-pairing it, but the issue will return after rebooting. It is also possible there are no write permissions for the owner of /var/lib/bluetooth/. If that still does not work, or you are using PulseAudio's system-wide mode, also load the following PulseAudio modules (again these can be loaded via your default.pa or system.pa): The same load-module command can be added to /etc/pulse/default.pa. # pactl load-module module-bluetooth-discover If restarting PulseAudio does not work, you need to load module-bluetooth-discover. It is not necessary to repeat the pairing. After restarting PulseAudio, retry to connect. Note that it is perfectly fine to run bluetoothctl as root while PulseAudio runs as user. A common solution to this problem is to restart PulseAudio. If the issue is not due to the missing package, the problem in this case is that PulseAudio is not catching up. See /etc/dbus-1/system.d/nf for reference. Add your user to the lp group, then restart pulseaudio. It can also be due to permission, especially if starting pulseaudio as root allows you to connect. Install it if it missing, then restart pulseaudio. This may be due to the pulseaudio-bluetooth package not being installed. To further investigate, check the unit status of rvice or have a look at the log as follows:īluetoothd: a2dp-sink profile connect failed for 00:1D:43:6D:03:26: Protocol not available You might see the following error in bluetoothctl:Īttempting to connect to 00:1D:43:6D:03:26įailed to connect: You may need to turn off BlueTooth while you run this command. If pairing fails, you can try enabling or disabling SSPMode with: There may be configuration options to remove the need to do this each time, but neither pairing nor trusting induce automatic connecting for me. Make sure to run bluetoothctl as root and connect the device manually. The menu seems to be created as soon as the receiver recognizes the device. Selected audio profile, but headset inactive and audio cannot be redirectedĭeceptively, this menu is available before the device has been connected annoyingly it will have no effect. See #Switch between HSP/HFP and A2DP setting to solve the problem. If you experience bad sound quality with your headset, it could in all likelihood be because your headset is not set to the correct profile. see #Switch between HSP/HFP and A2DP setting for additional information. Note: Many users report frustration with getting A2DP/Bluetooth Headsets to work. If everything works correctly, you now have a separate output device in PulseAudio. If you are getting a connection error retry by killing existing PulseAudio daemon first:įinally, if you want to automatically connect to this device in the future: We will now use that MAC address to initiate the pairing:Īfter pairing, you also need to explicitly connect the device (if this does not work, try the trust command below before attempting to connect): Shows a device that calls itself "Lasmex LBT10" and has MAC address "00:1D:43:6D:03:26". Now make sure that your headset is in pairing mode. To be greeted by its internal command prompt. For troubleshooting and more detailed explanations of bluetoothctl see the Bluetooth article. Now we can use the bluetoothctl command line utility to pair and connect. Note: Before continuing, ensure that the bluetooth device is not blocked by rfkill.
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