[alsa-devel] Fast Track Ultra latency and new streaming logic.

[Takashi Iwai]

At Wed, 9 May 2012 15:05:47 +0200,
Felix Homann wrote:
> 
> Am 03.05.2012 16:03 schrieb "Felix Homann" <linuxaudio at showlabor.de>:
> >
> > Is this a
> > flaw in Alsa, Jack or the USB stack?
> 
> I'm starting to think that this is a Jack issue. At least I can set rather
> small period and buffer sizes in aplay without any xruns.

Or a full-duplex issue?  You can test the latency via
alsa-lib/test/latency program.

(Yes, the usage is quite undocumented.  Anyone contributing the howto
 would be great...)


Takashi