Le 20/02/2016 18:52, Rui Nuno Capela a écrit :
On 02/20/2016 02:24 PM, Benoît Rouits wrote:
Hello,
I have written generative composition with a chomsky grammar parsed by
and *old* program called gramophone2. Unfortunately, my tests
composition have multitrack but gramophone2 generates midi type 0 files
(1 merged track).
So, all midi sequencers i tried does only import track #1 while there
are 3 or 4 in the midi file with different speeds (i'm playing with yet
another phasing music). It may be a grammophone2 bug, but before to dive
into the code (if i find it) how could i convert the generated midi type
0 into a type 1 so that tracks speeds can be aligned ?
qtractor can load either smf format 0 or 1.
now about tracks with different speeds (tempo?, tpqn/ppqn?) is a
complete another story: the MIDI file standard just doesn't allow for
different tracks/channels with different speeds whatsoever. where did
you get the idea?
byee
--
rncbc aka. Rui Nuno Capela
Ah ! i didn't think of qtractor ! Thank you rncbc, i will try asap !
Indeed, tempo per channel is missing in the MIDI spec itself.
I wanted to make a score to reproduce phase shifting like in Steve
Reich's Violin Phase (the simplest generative music with 5 notes), but
in a MIDI way. I will post something ogg if i can find a way to do this
with qtractor.
Thanks again,
- Benoît
P.S: i can't figure out why i didn't try qtractor today, i was focused
on commandline midi converters... :-)
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