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synthesis.js - MIDI / MML Synthesizer (WIP)

Web Audio API and Web MIDI API experiment works on Chrome, Edge and iOS Safari.
The features are very limited for now. Currently you can:

- play with MIDI keyboard
- play with PC keys (C key = C4, Space = Damper pedal)
- play simple MML
- play test SMF


		
		

			
Keyboard (N/A)

			

			

		

		
		

			
MML2SMF

			

			  
			
			

				
MML Commands

				

					
Notesc, d, e, f, g, a, b, +, -
					
Octaveo[octave], <, > (4)
					
Note Lengthl[note length] (4)
					
Tempot[tempo] (120)
					
Gate Timeq[1-8] (6)
					
Velocityu[0-127] (100)
					
Channel Volumev[0-127] (100)
					
Panp[-64-63] (0)
					
Expression ControllerE[0-127] (127)
					
Key Shiftk[-127-127] (0)
					
Set MIDI ChannelC[1-16] (1)
					
Next Track and MIDI Channel;
					
Tie^
					
Play from Here?
					
Comment//..., /*...*/
				

			

		

		
		

			
SMF Player

			 
		

		
		

			
Synthesizer

			
			
			

				
MIDI Implementation Chart

				

					
MIDI Input (Ch. 1-16)
					

					
Note On/Off

					Pitch Bend

					CC 1 (Modulation Wheel)

					CC 7 (Channel Volume)

					CC 10 (Pan)

					CC 11 (Expression Controller)

					CC 64 (Damper Pedal On/Off)

					CC 123 (All Notes Off)

				

			

		

		
		

			
Programmed by Katsuomi Kobayashi (@KatsuomiK / @k0rin in Japanese)