https://Hybridego.net/ <Ho Cheol Jeon>

pi@raspberrypi:~ $ cat /proc/asound/modules
0 snd_usb_audio
1 snd_bcm2835
2 snd_bcm2835

pi@raspberrypi:~ $ bluetoothctl
Agent registered

[bluetooth]# list
Controller DC:A6:32:1B:77:A1 raspberrypi [default]

[bluetooth]# agent on
Agent is already registered

[bluetooth]# default-agent
Default agent request successful

[bluetooth]# discoverable on
Changing discoverable on succeeded
[CHG] Controller DC:A6:32:1B:77:A1 Discoverable: yes

[CHG] Device 64:7B:CE:CF:DE:B7 Connected: yes
Request confirmation
[agent] Confirm passkey 623296 (yes/no): yes
Authorize service
[agent] Authorize service 00001108-0000-1000-8000-00805f9b34fb (yes/no): no
Authorize service
[agent] Authorize service 0000110d-0000-1000-8000-00805f9b34fb (yes/no): no
[CHG] Device 64:7B:CE:CF:DE:B7 Connected: no
[CHG] Device 64:7B:CE:CF:DE:B7 Connected: yes
Authorize service
[agent] Authorize service 0000110d-0000-1000-8000-00805f9b34fb (yes/no): yes
[CHG] Device 64:7B:CE:CF:DE:B7 UUIDs: 00001105-0000-1000-8000-00805f9b34fb
[CHG] Device 64:7B:CE:CF:DE:B7 UUIDs: 00001108-0000-1000-8000-00805f9b34fb
[CHG] Device 64:7B:CE:CF:DE:B7 UUIDs: 0000110a-0000-1000-8000-00805f9b34fb
[CHG] Device 64:7B:CE:CF:DE:B7 UUIDs: 0000110c-0000-1000-8000-00805f9b34fb
[CHG] Device 64:7B:CE:CF:DE:B7 UUIDs: 0000110d-0000-1000-8000-00805f9b34fb
[CHG] Device 64:7B:CE:CF:DE:B7 UUIDs: 0000110e-0000-1000-8000-00805f9b34fb
[CHG] Device 64:7B:CE:CF:DE:B7 UUIDs: 00001112-0000-1000-8000-00805f9b34fb
[CHG] Device 64:7B:CE:CF:DE:B7 UUIDs: 00001115-0000-1000-8000-00805f9b34fb
[CHG] Device 64:7B:CE:CF:DE:B7 UUIDs: 00001116-0000-1000-8000-00805f9b34fb
[CHG] Device 64:7B:CE:CF:DE:B7 UUIDs: 0000111f-0000-1000-8000-00805f9b34fb
[CHG] Device 64:7B:CE:CF:DE:B7 UUIDs: 0000112f-0000-1000-8000-00805f9b34fb
[CHG] Device 64:7B:CE:CF:DE:B7 UUIDs: 00001132-0000-1000-8000-00805f9b34fb
[CHG] Device 64:7B:CE:CF:DE:B7 UUIDs: 00001200-0000-1000-8000-00805f9b34fb
[CHG] Device 64:7B:CE:CF:DE:B7 UUIDs: 00001800-0000-1000-8000-00805f9b34fb
[CHG] Device 64:7B:CE:CF:DE:B7 UUIDs: 00001801-0000-1000-8000-00805f9b34fb
[CHG] Device 64:7B:CE:CF:DE:B7 UUIDs: 594a34fc-31db-11ea-978f-2e728ce88125
[CHG] Device 64:7B:CE:CF:DE:B7 UUIDs: a23d00bc-217c-123b-9c00-fc44577136ee
Authorize service
[agent] Authorize service 00001108-0000-1000-8000-00805f9b34fb (yes/no): yes
[Ho Galaxy Note10 5G]# exit

pi@raspberrypi:~ $ pactl list sources short
0 alsa_output.usb-0d8c_Generic_USB_Audio_Device-00.analog-stereo.monitor module-alsa-card.c s16le 2ch 44100Hz IDLE
1 alsa_input.usb-0d8c_Generic_USB_Audio_Device-00.analog-mono module-alsa-card.c s16le 1ch 44100Hz SUSPENDED
2 alsa_output.platform-bcm2835_audio.analog-mono.monitor module-alsa-card.c s16le 1ch 44100Hz SUSPENDED
3 alsa_output.platform-bcm2835_audio.analog-mono.2.monitor module-alsa-card.c s16le 1ch 44100Hz SUSPENDED
5 bluez_source.64_7B_CE_CF_DE_B7.a2dp_source module-bluez5-device.c s16le 2ch 44100Hz RUNNING

pi@raspberrypi:~ $ pactl list sinks short
0 alsa_output.usb-0d8c_Generic_USB_Audio_Device-00.analog-stereo module-alsa-card.c s16le 2ch 44100Hz RUNNING
1 alsa_output.platform-bcm2835_audio.analog-mono module-alsa-card.c s16le 1ch 44100Hz SUSPENDED
2 alsa_output.platform-bcm2835_audio.analog-mono.2 module-alsa-card.c s16le 1ch 44100Hz SUSPENDED