Re: [LAU] Synchronizing 2 computer with MIDI

2008/11/27 Edgar Aichinger <edogawa@email-addr-hidden>

> Am Donnerstag 27 November 2008 schrieb Mysth-R:
> > Hi,
> >
> > I am Quite surprised that nobody ever tried to sync 2 computers by midi.
> > I performed some tests with one computer with rosegarden and a Hardware
> > sequencer remixerr (yamaha RM1-X).
> >
> > In the RM1-X, I can choose sync mode between Intern (like a master), midi
> > and MTC. When I choose Midi, the tempo setting is not available anymore,
> and
> > the synchro with rosegarden is perfect (transport + tempo). increasing
> the
> > tempo in Rosegarden also increase the tempo in the RM1-X.
> >
> > When I choose MTC on RM1-X, the transport start with rosegarden, but I
> > always can modify the tempo. And even if I choose the same tempo, there
> is
> > some time shift few minutes later.
> >
> > In the other hand, When I make the RM1-X as a master, the transport is
> > synchro but Rosegarden keep is own tempo. So it is unusable.
> >
> >
> > I don't know very well the MTC protocol, but isn't there a way to sync
> the
> > Tempo with it ?
>
> it's been a while since i was using it, because my 8 track recorder's
> capstan
> has died some years ago. This is what i remember, maybe others know better:
>
> MTC is just a translation of SMPTE timecode (LTC) into MIDI protocol, which
> means it has time information but not tempo information. If you want tempo
> information you have to use MIDI clock and Start/Stop/Continue messages.
> Which again has the disadvantage that a slaving sequencer can't jump to a
> certain position in a song, you have to rewind and start from beginning.
> To handle this, Song Position Pointer (SPP) is used along with MIDI clock.
>
Ok thank you for sharing your experience. In fact I don't use Song mode, as
I want to play lives with patterns. So yes I jsut want to sync the tempo.
But I can't find any soft on linux that can do this job as slave or master.
I just tried freewheeling, but it can't act as a slave. So this is a problem
for me.
Other experiences or tips ?
Thank you
Mysth-R

> >
> > Greets,
> >
> > Mysth-R
>
> Edgar
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Received on Thu Nov 27 16:15:06 2008