No audio sending to bluetooth headphone

tinca · December 12, 2017 at 6:52 PM

Hi,

The subject happens on Pi Zero-W with LE 8.2.1, Kodi 17.6 (and also earlier 8.0.2/17.3). LE shows the headphone among the BT devices it can be connected to. Then I configure audio output to BT/Pulsaudio, evrything fine and dandy, except no audio comes out. System log shows no error.

Any idea would be welcome!

Ps.: Otherwise LE/Kodi works fine. Added a PHAT DAC to my Pi, digitized my CD-s to disk and since then this is the way I listen to music and can say it's wonderful

**lrusak** · December 13, 2017 at 1:09 AM Official Post

Post a debug log please.

Also post the output of

Code

pactl info | pastebinit

and

Code

pactl list short | pastebinit

while your bluetooth headphones are connected.

tinca · December 13, 2017 at 6:33 PM

Hi,

pactl info : EBQK

pactl list short : bIdI

log : CNZC

A few additional observations:

- As I stepped into/out from LE's BT configuration menu it frequently happened that Pi rebooted. I am not sure, but it seemed as if an audio output already set to BT had needed for it.

- Connecting to headphone required many attempts, it kept changing back to 'No' from state 'Yes'.

Thank you for looking into this.

Zsolt

**lrusak** · December 13, 2017 at 8:53 PM Official Post

No bluetooth audio device is connected in your logs.

Perhaps bluez doesn't recognize that it is a bluetooth audio device or the device doesn't advertise that it is one.

tinca · December 13, 2017 at 9:30 PM

Well, the connection state was a stable 'Yes' on the UI, even stepping out and then back again showed so.

The headphone appears among the BT devices. I guess this is supposed to mean that it advertises itself as BT and the Pi recognizes that. Am I mistaken?

Otherwise the headphone works fine with other systems (Mac, Android mobile)

What else can I try? Another BT headphone? Stop/start any service from command line?

Thanks.

**lrusak** · December 13, 2017 at 9:39 PM Official Post

Did you make sure they device was connected when you got those logs?

tinca · December 13, 2017 at 10:55 PM

I tried my mobile's BT successfully. The below log was made when it was connected.

gKfT

A filetransfer to Pi also succeeded.

There is something definitely going wrong between the two components. Pairing happens, my headphone tells it (yes it speaks into my ears), but as soon as I make connection it first appears to be successful then disconnects. So probably the log was made with no connection.

And sooner or later the Pi reboots.

tinca · December 16, 2017 at 1:34 PM

FYI. A friend of mine tried these with a different BT headphone and faced the same issue. So my first thought of it being a specific issue with my headphone does not held.