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J-Sound API/MIDI How to transpose song

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andyberlin2000

andyberlin2000

Programmer
May 12, 2004
18
DE
Hi!

I am experimenting with Java Sound (MIDI, mainly).
I would like to transpose a midifile (alter the musical key up/down) by pressing a button "up"/"down".

My problem: I cannot find an appropriate method.
Do I really have to process every midi event in every track and change the key value of every single note-on/off event?

If someone could come up with something better than this I would really be glad to hear about it.

Thanks in advance
Andy
 
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