Comparison of MIDI standards
This table provides summary of comparison of various MIDI enhancement standards by various parameters.
| MT-32 | GM | GS | XG level 1 | XG level 2 | XG level 3 | GM level 2 | |
|---|---|---|---|---|---|---|---|
| Entry date | 1987 | 1991 | 1991 | 1994 | 1997 | 1998 | 1999 |
| Organization | Roland | MMA | Roland | Yamaha | MMA | ||
| Minimum equipment requirements | |||||||
| Simultaneous melodic voices | 8 or more (up to 32 partials) combined | 16 | 16 | 32 combined | 64 combined | 128 combined | 16 |
| Simultaneous percussion voices | 8 | 8 | 16 | ||||
| MIDI melodic channels | 8 | 15 | 15[1] | 16 combined | 32 combined (on 2 ports) | 64 combined (on 4 ports) | 14 |
| Rhythm/percussion channels | 1 | 1 (#10) | 1 | 2 (#10 & #11) | |||
| Channel recommendations | #1: melody; #2: melody (duet); #3: bass; #4: pad; #5: riff; #10: drums[2] | ||||||
| Sounds banks available | |||||||
| Melodic instruments | 128 | 128 | 226 | 480 | 1074 | 1149 | 256 |
| Drum kits | 1 | 1 | 8 + 1 SFX kit | 9 + 2 SFX kits | 34 + 2 SFX kits | 35 + 2 SFX kits | 9 |
| Drum sounds per kit | 30 | 47 | 61 | 72 | 61 | ||
| Controls available | |||||||
| Special CC[3] | 2[4] | 6 (MT32+4) | 6 (GM) | ||||
| Parametric effect CC[5] | 4[4] | 5 | 16 (GM+11) | 51 (GM+46) | 12 (GM+7) | ||
| RPNs | 0[4] | 5[6] | 6 (GM+1) [6] | ||||
| SysEx messages | 2 | 14 | |||||
References
- ↑ 16 with no drum kit.
- ↑ TheWhippinpost article on MIDI XG STANDARD
- ↑ 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.
- 1 2 3 youngmonkey Roland MT-32 MIDI/SYSEX reference
- ↑ 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.
- 1 2 MMA MIDI Message Tables: Table 3a: Registered Parameter Numbers
- Yamaha Corporation (1996). "Yamaha XG format specifications, v1.26" (PDF). Archived from the original (PDF) on 2006-09-26. Retrieved 2008-04-23.
- Yamaha Corporation (1999-02-02). "Recommendations for producing XG song data, v2.00" (PDF). Archived from the original (PDF) on 2006-09-26. Retrieved 2008-04-23.
- Roland Sound Cards, an extensive guide to various models and their capabilities
- GM modules for the masses, a comparison article
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