On Tue, 2014-02-18 at 11:04 +0200, Tanu Kaskinen wrote: > On Tue, 2014-02-18 at 04:51 +0100, Malte Gell wrote: > > Am 16.02.2014 12:24, schrieb Tanu Kaskinen: > > > > > On the topic of audio/video sync, synchronization requires accurate > > > latency information. PulseAudio doesn't have that information. If the > > > audio lags by a constant amount all the time, then you can work around > > > the problem by configuring the latency offset with e.g. pavucontrol. > > > > Thanks for the explanation. > > > > The audio lags do not occur all the time, they occur after some time, > > often audio totally quits, when waiting a while audio comes back again. > > > > /var/log/messages gets flooded with these errors: > > > > [bluetooth] module-bluetooth-device.c: Skipping 412706 us (= 72800 > > bytes) in audio stream > > [bluetooth] module-bluetooth-device.c: Skipping 465700 us (= 82148 > > bytes) in audio stream > > [bluetooth] module-bluetooth-device.c: Skipping 154683 us (= 27284 > > bytes) in audio stream > > [bluetooth] module-bluetooth-device.c: Skipping 126688 us (= 22344 > > bytes) in audio stream > > [bluetooth] module-bluetooth-device.c: Skipping 70714 us (= 12472 bytes) > > in audio stream > > > > Do these message give a hint where the problems come from? > > The messages indicate that the kernel is accepting audio from PulseAudio > slower than what is required for smooth playback. I would guess that the > problem is interference in the radio signal that prevents reliable > communication. I forgot to mention - these messages do not give any hints about why the latency is increasing, that is, which buffer is getting bigger. -- Tanu