Re: [LAU] Synchronizing 2 computer with MIDI

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

> Am Donnerstag 27 November 2008 schrieb Mysth-R:
> > 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
>
> I just tried quickly to synchronize seq24(master) and rosegarden(slave) via
> MIDI clock, and it worked. In rosegarden preferences, MIDI/MIDI sync tab,
> set MIDI clock to "receive Start/Stop/Continue". In seq24 options, MIDI
> clock
> tab, set the "record in" port of rosegarden (was 130:0 now in my case) to
> On(Pos).
>
> Hope this is what you need, good luck...

But when you change the tempo in seq24 does it change the tempo in
Rosegarden ?

>
> >
> >
> > > >
> > > > Greets,
> > > >
> > > > Mysth-R
> > >
> > > Edgar
> > > _______________________________________________
> > > Linux-audio-user mailing list
> > > Linux-audio-user@email-addr-hidden
> > > http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
> > >
> >
> >
> >
>
> Edgar
> _______________________________________________
> Linux-audio-user mailing list
> Linux-audio-user@email-addr-hidden
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>

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Received on Thu Nov 27 20:15:02 2008