On Monday 19 July 2010 13:52:24 Joan Quintana wrote: > I want to implement an idea. In stead of playing along with my wind midi > controller the leading track with the rest of midi tracks (being slave of > the midi tempo), I would to program another way to play a midi file: > > playing the lead track generate all the events of the rest of the tracks. > In this case the concept of the tempo changes, and need to be calculated > continuously to trigger the events. With this idea I will be free to play > the melody, and feel how the orchestra (the other tracks) follow me, and > not me following the orchestra (play along). > > Is this a crazy idea? Could be feasible to program? Exist already something > similar? > > I downloaded the source code of the pmidi project (a CLI midi player). Is > this a good starting point to implement the job? Some years ago an automatic blues band was presented at LAC. While that didn't synchronize to your immediate tempo-changes (which would be quite disturbing) it synchronized to your over-all tempo changes quite well. Maybe you can search the archives (or the net) and take that csound-code as a basis? I don't think think looking at pmidi is useful for anything but simple midi- player... Have fun, Arnold
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