This table provides summary of comparison of various MIDI enhancement standards by various parameters.

MPU MT-32 GM GS XG level 1 XG level 2 XG level 3 GM level 2 XGlite
Entry date 1984[1][2] 1987 1991 1991 1994 1997 1998 1999 2002
Organization Roland JMSC (AMEI)
MMA 		Roland Yamaha MMA Yamaha
Minimum equipment requirements
Simultaneous melodic voices 8+ combined
(up to 32 partials) 		16 16 32 combined 64 combined 128 combined 16 32 combined
Simultaneous percussion voices 8 8 16
MIDI melodic channels 8 15 15[a] 16 combined 32 combined
(on 2 ports) 		64 combined
(on 4 ports) 		14 16 combined
Rhythm/percussion channels 1 1 (#10) 1 2 (#10 & #11)
Channel recommendations #10: drums[3] #1: melody; #2: melody (duet);
#3: bass; #4: pad; #5: riff; #10: drums[4]
Sounds banks available
Melodic instruments 128 128 226 480 1074 1149 256 360
Drum kits 1 1 8 + 1
SFX kit 		9 + 2 SFX kits 34 + 2 SFX kits 35 + 2 SFX kits 9 12 kits
Drum sounds per kit 30 47 61 72 61 53
Controls available
Special CC[b] 2[5] 6 (MT32+4) 6 (GM)
Parametric effect CC[c] 4[5] 5 16 (GM+11) 51 (GM+46) 12 (GM+7)
RPNs 0[5] 5[6] 6 (GM+1) [6]
SysEx messages 2 14

Notes

  1. ^ 16 with no drum kit.
  2. ^ Special CCs are CCs that don't correspond to the parameter of any particular effect. Most usually they represent special one-shot control commands for the device (these ones are usually represented by a button on a console), or used internally for bank selection, RPN or data entry, etc.
  3. ^ Parametric CCs (also known as continuous controller) correspond to the parameter of some particular effect (i.e. depth, strength, delay of effect, etc). Such CCs are usually represented by a rotating knob or fader in mixers.

References

  1. ^ MIDI INTERFACES FOR THE IBM PC, Electronic Musician, September 1990
  2. ^ David Trubitt (1993), Making Music with Your Computer, page 22
  3. ^ "GM 1 Sound Set". www.midi.org. Retrieved 2019-06-05.
  4. ^ "TheWhippinpost article on MIDI XG STANDARD". Archived from the original on 2017-02-06. Retrieved 2006-03-28.
  5. ^ a b c youngmonkey Roland MT-32 MIDI/SYSEX reference
  6. ^ a b "Table 3a: Registered Parameter Numbers". Control Change Messages (Data Bytes). MIDI Reference Tables. Specifications. MIDI Manufacturers Association. Retrieved 2017-10-17.
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