[LAU] Recording long tracks with jack_rec (libsndfile?)

[Hanspeter Portner]

On 07.11.2016 11:32, J. C. wrote:
> Hey hey,
> I tried to record over long periods of time (7-9 hours), using jack_rec, which
> apparently relies on libsndfile for writing audiofiles. I started out using
> .wav, which broke off after 6:12:49 (2.1G). Next time, I tried using the file
> extension .w64, which yielded the same result.
> 
> So, which format, or extension, would work for such periods of time?

Have you tried with jack_capture?

It uses libsndfile, too for codecs, but can dump raw samples to disk if you tell
it to.

So, if libsndfile should be the limiting factor, try dumping the raw frames and
later analyze those.

  jack_capture -f raw -b FLOAT snoring.bin