Horribly choppy sound during bluetooth a2dp playback

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On Mon, 2017-09-11 at 12:57 +0300, Vladimir Lebedev wrote:
> It looks like the problem was not in PulseAudio but in NanoPi NEO Plus2
> itself. The bluetooth is connected via UART(hci_uart driver) and firmware
> for ap6212a chip is uploaded on system startup via brcm_patchram_plus
> utility (in stock UbuntuCore it's called from /etc/init.d/
> brcm_patchram_plus.sh or something like this). According to the thread on
> Armbian forum(
> https://forum.armbian.com/index.php?/topic/4726-ap6212a-bluetooth-audio-streaming-timeouts-in-audio-bus/)
> the default baudrate is set quite low. I've modified
> brcm_patchram_plus call to include --baudrate 1500000 and after the reboot
> the problem with choppy sound was mostly solved. The downside is that now
> bluetooth connection is not very stable and there are occasional
> bluez/pulseaudio restarts (one per 2-3 hours) but there are no more skips
> and I'm happy for now =) Thanks again and sorry for the noise!

"Occasional pulseaudio restarts" sounds interesting... Is it crashing?

-- 
Tanu

https://www.patreon.com/tanuk


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