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Topic: can't map note off to cc (Read 1220 times) |
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snare
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MIDI-OX Rules!
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can't map note off to cc
« on: Jan 12th, 2003, 10:38pm » |
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I have been having a great time making my midi keys control cc messages in all sorts of unique ways. What I want to do now is map both the note on data and note off data to cc messages and reverse them so that when I press a key the value goes up and when it is released the value goes down. Only I can't seem to get note off data to do anything. I have tried many configurations and It just doesn't seem to be able to control anything. I am hoping someone could shed some light on why this may be or if I should be able to do this at all.
Thanks,
snare
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Jamie OConnell
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Re: can't map note off to cc
« Reply #1 on: Jan 12th, 2003, 11:07pm » |
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I think you will find that the problem is that NoteOff can be specified in 2 different ways, and you must account for both methods in any map that uses them.
1) A real NoteOff Event has a MIDI status of 80 hex, and can contain an associated NoteOff velocity.
2) A NoteOn Event with 0 velocity is equivalent to a NoteOff Event (Status: 90 hex).
Some synths and controllers send a NoteOff status, but others use a NoteOn with 0 velocity, so you must map both situations.
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--Jamie
Music is its own reward.
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snare
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MIDI-OX Rules!
Posts: 4
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Re: can't map note off to cc
« Reply #2 on: Jan 13th, 2003, 12:17am » |
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So quick,
I knew it would be easy.
Thanks
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