On Sat, Dec 12, 2015 at 6:26 AM, Wenger Peter <wenger.peter@web.de> wrote:

I use music-tracks with 44100 and 96000 sample-rate. Is it, or will it
be possible in future to change the rate on the fly?

This has been deliberately ruled out as part of the JACK API since the project started.

It imposes enough burden on clients already that the buffer size can be changed on the fly; changing the sample rate is much worse.