[LAU] Changing BPM in Jack Audio Connection Kit 0.2.22

The Other sstubbs at shout.net
Mon Jul 14 08:57:41 EDT 2008


Thanks Peder, Chris,

This is my first time to use Ardour, and I mistakenly thought that the
Time Master button (lit green) was referring to which source to use as
transport control in the button above Time Master.  The values of that
button are Internal, MTC, and Jack.

Chris,  on Rosegarden's Configure Rosegarden-Sequencer-MIDI Time Code
Mode, should I set this to MTC Slave?  Would that allow the BPM to be
controlled by Ardour?

Or should I be setting the MIDI Clock and System Messages to Accept
Start, Stop, and Contnue to have BPM control by Ardour?

I like using Jack Transport to control Rosegarden and Ardour, so on
Rosegarden I have Jack Transport Mode set to Sync.

Thank you,
Stephen.


On Mon, 2008-07-14 at 11:36 +0100, Chris Cannam wrote:
> On Mon, Jul 14, 2008 at 10:59 AM,  <peder at musikhuset.org> wrote:
> > So either you change tempo in Ardour by rightclick on the Tempo line,
> > choose Edit and set it to 160 or you disable Ardour as time master
> > (button below the sync setting, right of the secondary "beat" clock)
> > and make sure Rosegarden is set as master.
> 
> Only the first of these will work in practice, as Rosegarden does not
> support JACK tempo master (nor, indeed, slave).
> 
> 
> Chris
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