Midi – en oversigt
Transmission speed: 31250 baud. Max. 3125 bytes/second.
Statusbytes: 1xxxxxxx |
Databytes: 0xxxxxxx |
Channel Voice Commands
1000cccc | NOTE OFF + NOTE # + VELOCITY |
1001cccc | NOTE ON + NOTE # + VELOCITY |
1010cccc | POLY KEY PRESSURE + NOTE # + VALUE |
1011cccc | CONTROL CHANGE + CONTROLLER # + VALUE |
1100cccc | PROGRAM CHANGE + PROGRAM # |
1101cccc | AFTER TOUCH + VALUE |
1110cccc | PITCH BEND + VALUE(H) + VALUE(L) |
cccc is the MIDI channel number (ch. 1: 0000, ch. 2: 0001, .. , ch. 16: 1111).
NOTE #: a' (440 Hz) is 69 (=$45).
“Running status”: Databytes can be repeated (without new status bytes) …
System Common Commands
11110001 | Quarter Frame Message + 0tttdddd (t: type, d: data) |
11110010 | Song Position Pointer + LSB + MSB (# of 16th notes) |
11110011 | Song Select + SONG # |
11110100 | Undefined |
11110101 | Undefined |
11110110 | Tune Request |
System Real Time Commands
11111000 | Timing Clock (24 ppq) |
11111001 | Undefined |
11111010 | Start |
11111011 | Continue |
11111100 | Stop |
11111110 | Active sensing (if sent once it is expected every 300 ms) |
11111111 | System Reset |
System Exclusive
11110000 | System Exclusive + ID + Databytes + EOX |
11110111 | End Of Exclusive (EOX) |
IDs (1986)
01 | Sequential | | 33 | SIEL |
02 | IDP | | 34 | Synthaxe |
03 | Octave Plateau | | 36 | Hohner |
04 | Moog | | 38 | Solton |
05 | Passport Design | | 39 | Jellinghaus Musik Systeme |
06 | Lexicon | | 40 | CTM |
07 | Kurzweil | | 41 | PPG |
08 | Fender | | 42 | JEN |
09 | Data Stream Inc. | | 43 | SSL Limited |
10 | AKG Acoustic | | 44 | Audio Vertriebel-Peter Struven GmbH |
11 | Voyce Music | | 46 | Soundtracs Ltd. |
13 | ADA Signal Proc | | 47 | Elka |
14 | Garfield Electronics | | 48 | Dynacord |
15 | Ensoniq | | | |
| | | 64 | Kawai |
16 | Oberheim | | 65 | Roland |
17 | Apple Computer | | 66 | Korg |
19 | Mimetics | | 67 | Yamaha |
21 | JL Cooper | | 68 | Casio |
22 | Lowrey | | 69 | Moridaira |
24 | E-mu Systems | | 70 | Kamiya Studio |
25 | Harmony Systems | | 71 | Akai |
26 | ART | | 72 | Japan Victor |
27 | Baldwin | | 73 | Meisoshsa |
28 | Eventide | | 74 | Hoshino Gakki |
29 | Inventronics | | 75 | Fujitsu Electronics |
30 | Key Concept | | | |
31 | Clarity | | 125 | Universal, non-commercial |
| | | | |
126 | Universal non-realtime + Device Channel + Sub-ID1 + Sub-ID2 (fx. MTC / Sample Dump) |
127 | Universal realtime + Device Channel + Sub-ID1 + Sub-ID2 (fx. MTC / Sample Dump) |
