通用MIDI（GM）规范
通用MIDI 1规范（GM 1）
《通用MIDI 1规范》定义了发声设备的特性和性能要求，包括通用MIDI的声音集合等。

通用MIDI 1声音集合
通用MIDI最知名的特征是128个乐器声音（或称“音色”）和47个打击声音，所有的通用MIDI设备必须响应。以下为表格。
通用MIDI 1音色映射表
音色名
Acoustic Grand Piano
Bright Acoustic Piano
Electric Grand Piano
Honky-tonk Piano
Electric Piano 1
Electric Piano 2
Harpsichord
Clavi
Celesta
Glockenspiel
Music Box
Vibraphone
Marimba
Xylophone
Tubular Bells
Dulcimer
Drawbar Organ
Percussive Organ
Rock Organ
Church Organ
Reed Organ
Accordion
Harmonica
Tango Accordion
Acoustic Guitar (nylon)
Acoustic Guitar (steel)
Electric Guitar (jazz)
Electric Guitar (clean)
Electric Guitar (muted)
Overdriven Guitar
Distortion Guitar
Guitar harmonics
Acoustic Bass
Electric Bass (finger)
Electric Bass (pick)
Fretless Bass
Slap Bass 1
Slap Bass 2
Synth Bass 1
Synth Bass 2
Violin
Viola
Cello
Contrabass
Tremolo Strings
Pizzicato Strings
Orchestral Harp
Timpani
String Ensemble 1
String Ensemble 2
SynthStrings 1
SynthStrings 2
Choir Aahs
Voice Oohs
Synth Voice
Orchestra Hit
Trumpet
Trombone
Tuba
Muted Trumpet
French Horn
Brass Section
SynthBrass 1
SynthBrass 2
Soprano Sax
Alto Sax
Tenor Sax
Baritone Sax
Oboe
English Horn
Bassoon
Clarinet
Piccolo
Flute
Recorder
Pan Flute
Blown Bottle
Shakuhachi
Whistle
Ocarina
Lead 1 (square)
Lead 2 (sawtooth)
Lead 3 (calliope)
Lead 4 (chiff)
Lead 5 (charang)
Lead 6 (voice)
Lead 7 (fifths)
Lead 8 (bass + lead)
Pad 1 (new age)
Pad 2 (warm)
Pad 3 (polysynth)
Pad 4 (choir)
Pad 5 (bowed)
Pad 6 (metallic)
Pad 7 (halo)
Pad 8 (sweep)
FX 1 (rain)
FX 2 (soundtrack)
FX 3 (crystal)
FX 4 (atmosphere)
FX 5 (brightness)
FX 6 (goblins)
FX 7 (echoes)
FX 8 (sci-fi)
Sitar
Banjo
Shamisen
Koto
Kalimba
Bag pipe
Fiddle
Shanai
Tinkle Bell
Agogo
Steel Drums
Woodblock
Taiko Drum
Melodic Tom
Synth Drum
Reverse Cymbal
Guitar Fret Noise
Breath Noise
Seashore
Bird Tweet
Telephone Ring
Helicopter
Applause
Gunshot

通用MIDI 1 打击音色键位映射表
打击音色
Acoustic Bass Drum
Bass Drum 1
Side Stick
Acoustic Snare
Hand Clap
Electric Snare
Low Floor Tom
Closed Hi Hat
High Floor Tom
Pedal Hi-Hat
Low Tom
Open Hi-Hat
Low-Mid Tom
Hi-Mid Tom
Crash Cymbal 1
High Tom
Ride Cymbal 1
Chinese Cymbal
Ride Bell
Tambourine
Splash Cymbal
Cowbell
Crash Cymbal 2
Vibraslap
Ride Cymbal 2
Hi Bongo
Low Bongo
Mute Hi Conga
Open Hi Conga
Low Conga
High Timbale
Low Timbale
High Agogo
Low Agogo
Cabasa
Maracas
Short Whistle
Long Whistle
Short Guiro
Long Guiro
Claves
Hi Wood Block
Low Wood Block
Mute Cuica
Open Cuica
Mute Triangle
Open Triangle

通用MIDI2规范（GM 2） General MIDI 2 (GM 2)
《通用MIDI 2规范》是《通用MIDI 1规范》的一个扩展，它向下兼容，并增加了声音的数量，提高了声音编辑和音乐表演的控制性能。