MIDI- from the 70’s or 80’s- way for musical devices to communicate to each other.
binary= 10101001
-8 bits= 1 bites
msb- most significant bite
lsb- least significant bite
hexadecimal- numbering system- has 16 digits = 123456789abcdef (a=10, b=11….)
0= 16^0
A=16^1
=decimal 100
midi was developed in mid 70’s- there were hella synthesizers, corps. and geeky people were building them. computers could read numbers, send out voltages.
mac has MIDI studio. we can mediate
midi is not audio, it’s just instructions to make a sound. the object determines the sound.
60- middle c.
12 semi tones
status bite 128-255
data- velocity 0-127
data- release velocity 0-127
midi doesn’t give information of note duration. nope, because it’s designed to be used in real time.
AU dls synth- mac has a synth
[pgmout]- uses number as status bite
channel messages- allowed receiving device to determine if message is for them