A2DP connection not shown in PulseAudio

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Solution 1

Running

pactl load-module module-alsa-sink device=bluetooth

should add alsa_output.bluetooth to

pactl list sinks short

Then switch to this sink by following the directions described in the link given by Takkat

Solution 2

The module-loopback is used to

route audio from a source directly back to a sink.

The way you issued it you are trying to loop an output sink to an input device. This obviously won't work, thus the "initialization failed" error.

In case you want to have your audio on both sinks, the local sound card, and the bluetooth receiver use module-combine-sink.

To connect to a bluetooth sink you need to have this sink recognized by pulseaudio. Check with the following command if this sink is present before you try to connect to it:

pacmd list-sinks

If you can see your Bluetooth receiver you can connect it outlined in my answer to this question:

In case your receiver is not listed there may be an issue connecting it to Bluetooth (Bluez/Blueman depending on your distribution). You may then try if removing the device from the list of known devices and redoing the pairing process helps.

Solution 3

I've had a similar problem with my N04 Belkin. brillout's answer helped me as well. But then i noticed that pulseaudio-module-bluetooth wasn't installed. So i installed it, and everything works fine now.

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brillout
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Updated on September 18, 2022

Comments

  • brillout
    brillout almost 2 years

    I'm trying to pipe the audio ouput to my Belkin Z73 bluetooth receiver but once connected and paired with the key 0000 the receiver doesn't show up in PulseAudio. Furthermore the following command

    pactl load-module module-loopback source=alsa_output.pci-0000_00_1b.0.analog-stereo sink=bluez_source.00:02:72:EA:95:61
    

    returns Failure: Module initalization failed.

    Does someone know what's going on?
    Is there anything else I could try to pipe the audio?

  • jeremiah
    jeremiah over 8 years
    On Debian testing the first command fails with the message "Module initialization failed."