24 Jul
2006
24 Jul
'06
7:11 p.m.
On Monday, 24 July 2006 16:38, Lee Revell wrote:
Take the sequence "80 3D 35 31 80 3A 39 0E 80
37 31 03 80 31 1F" in
the first line for example. I know that 0x80 is note-off, and 0x3D are
note number and 0x35 the velocity of the note-off. But what the heck is
the next byte, 0x31?
Delta time of the next event, in variable length representation.
The MIDI standard says note-off is one status byte
followed by 2 data bytes!
SMF (Standard MIDI File) format must store timestamped events, which the MIDI
protocol (over the wire) doesn't care. There is a good reference of SMF
format here: http://borg.com/~jglatt/tech/midifile.htm
You may want to try some SMF-to-text conversion utility:
http://alsa.opensrc.org/MidiComp
Regards,
Pedro