[LAD] midi beat clock
Tim E. Real
termtech at rogers.com
Sat Feb 20 04:38:53 UTC 2010
On February 19, 2010 08:49:37 pm Rui Nuno Capela wrote:
> On 02/20/2010 01:00 AM, Tim E. Real wrote:
> > On February 19, 2010 07:51:58 pm Rui Nuno Capela wrote:
> >> On 02/20/2010 12:40 AM, m.wolkstein at gmx.de wrote:
> >>> for more information's read here.
> >>> http://en.wikipedia.org/wiki/MIDI_beat_clock
> >>> my question, exist something like this for alas. i am interested to
> >>> send midi beat clock signals from hydrogen to external hardware
> >>> synthesisers/arpeggiators. and i am explicit not interested to sync
> >>> them to any timecode. because the external machines have to run
> >>> independent and in a randomly order. they only have to sync there
> >>> beats.
> >>> here the mbc specs.
> >>> midi beat clock defines the following real time messages:
> >>> * clock (decimal 248, hex 0xF8)
> >>> * tick (decimal 249, hex 0xF9)
> >>> * start (decimal 250, hex 0xFA)
> >>> * continue (decimal 251, hex 0xFB)
> >>> * stop (decimal 252, hex 0xFC)
> >> this is all about midi clock and song position pointer (spp) events.
> >> question is: which devices, hw or sw, are there that sync to midi clock?
> >> i'm afraid there's none.
> >> but wait, there are some that respond to spp: ardour, qtractor,... maybe
> >> many others ;)
> > MusE-1 syncs to midi clock,
> > and responds to start, stop, continue and spp.
> well, i've made the cardinal sin to put "start", "stop" and "continue"
> in the same bag as of "spp" ie. song position pointer. which all refer
> to midi-clock aka midi-metronome time base, whatever
> > It also transmits them. It also recognizes tick but doesn't use it.
> > From what I understand, tick is nothing more than a periodic 'keep alive'
> > signal, not a sync signal. I could be wrong though...
> this "tick" signal (0xf9) must be (is it?) some leftover from ancient
> midi times, if ever used effectively. i fail to recognize its use but
> being just, uh,... _undesirable_ noise:)
Yes that's what I read, only a few things use it. Roland being one I think...
> i'll turn off
If you have something that uses it and want to see if it's working
open MusE (best is SVN) and check out the sync window.
Blinky lights galore...
Which app is it? Like to see If it works 'cause I've never encountered the
More information about the Linux-audio-dev