Version 1.0 Page i October 5, 2001
GENERAL MIDI LITE AND GUIDELINES FOR USE IN MOBILE APPLICATIONS
TABLE OF CONTENTS
1 INTRODUCTION..................................................................................................................................................................1
1.1 BACKGROUND................................................................................................................................................................1
1.2 ABOUT THIS DOCUMENT............................................................................................................................................1
1.3 ABOUT GENERAL MIDI LITE.....................................................................................................................................1
1.4 GUIDE TO TECHNICAL TERMS....................................................................................................................................2
2 MOBILE MIDI OVERVIEW................................................................................................................................................4
2.1 FUNCTIONAL MODEL MAP ........................................................................................................................................4
2.2 SERVICE MODEL FUNCTIONAL MAP........................................................................................................................5
2.3 FUTURE ENHANCEMENTS...........................................................................................................................................6
3 GENERAL MIDI LITE SOUND MODULE SPECIFICATION.......................................................................................7
3.1 GENERAL REQUIREMENTS..........................................................................................................................................7
3.1.1 Sound Source Type.............................................................................................................................................7
3.1.2 Number of Notes (Polyphony)..........................................................................................................................7
3.1.3 MIDI Channels.....................................................................................................................................................7
3.1.4 Melody Channels and Rhythm Channels.......................................................................................................7
3.1.5 Modes....................................................................................................................................................................7
3.1.6 Timbres..................................................................................................................................................................7
3.1.7 Pitch.......................................................................................................................................................................8
3.1.8 Sound Generator Assignment...........................................................................................................................8
3.2 MIDI CHANNEL MESSAGES.........................................................................................................................................9
3.2.1 Note On / Note Off...............................................................................................................................................9
3.2.2 Program Change Message................................................................................................................................9
3.2.3 Control Change Messages................................................................................................................................9
3.2.4 RPN (Registered Parameter Numbers) ........................................................................................................10
3.2.5 Channel Mode Messages................................................................................................................................10
3.2.6 Pitch Bend Change..........................................................................................................................................11
3.3 SYSTEM MESSAGES.....................................................................................................................................................11
3.3.1 GM Lite Reset....................................................................................................................................................11
3.4 SOUND SETS................................................................................................................................................................12
3.4.1 Melody Channel Sound Set............................................................................................................................12
3.4.2 Rhythm Channel Sound Set............................................................................................................................14
4 AUTHORING GUIDELINES FOR GM LITE CONTENT............................................................................................15
4.1 RESTRICTIONS ON GM LITE SONG DATA CONTENT PRODUCTION..................................................................15
4.1.1 Number of Notes (Polyphony).......................................................................................................................15
4.1.2 Channel Assignment........................................................................................................................................15
4.1.3 Available Pitch Range....................................................................................................................................15
4.1.4 Available Message Types................................................................................................................................15
4.1.5 Prohibitions on Certain Messages...............................................................................................................16
4.1.6 Available Meta-Events....................................................................................................................................16
4.1.7 Set-Up Bar.........................................................................................................................................................16
4.2 RECOMMENDED STEPS FOR CONTENT PRODUCTION.........................................................................................18
4.3 POINTS TO KEEP IN MIND DURING CONTENT AUTHORING................................................................................18
(c) 2001 MIDI Manufacturers Association Incorporated
