francoisgeorgy / midi-monitor

Web MIDI application to monitor MIDI messages

TODO

• devices
  • enable / disable
  • show messages / hide messages
    • hide: messages are still recorded, but not displayed
• display messages in chronological order (last message at bottom) or reverse order (last message at top)
• max number of messages
• filters
• colors
• number of messages received
  • total
  • per port
• hex / dec
• download sysex as file

MIDI

• message type
  • channel message
    • channel voice (0x80 - 0xEF)
      • 0x8n 1000nnnn, 2 data bytes : Note Off
      • 0x9n 1001nnnn, 2 data bytes : Note On (a velocity of zero = Note Off)
      • 0xAn 1010nnnn, 2 data bytes : Polyphonic Key Pressure (Aftertouch)
      • 0xBn 1011nnnn, 2 data bytes : Controller, first data byte = 0-119
      • 0xCn 1100nnnn, 1 data byte : Program Change
      • 0xDn 1101nnnn, 1 data byte : Channel Pressure (Aftertouch)
      • 0xEn 1110nnnn, 2 data bytes : Pitch Bend
    • channel mode (subset of 0xBn)
      • 120 All Sound Off
      • 121 Reset All Controllers
      • 122 Local Control On/Off
      • 123 All Notes Off
      • 124 Omni Mode Off
      • 125 Omni Mode On
      • 126 Mono Mode On (Poly Off)
      • 127 Poly Mode On (Mono Off)
  • system message
    • system exclusive (0xF0)
      • 0xF0 Start of System Exclusive (SOX)
      • 0xF7 End of System Exclusive (EOX)
    • system common (0xF1 - 0xF7)
      • 0xF1 MIDI Time Code Quarter Frame
      • 0xF2 Song Position Pointer
      • 0xF3 Song Select
      • 0xF4 Undefined
      • 0xF5 Undefined
      • 0xF6 Tune Request
      • 0xF7 End of System Exclusive (EOX)
    • system realtime (0xF8 - 0xFF)
      • 0xF8 Timing Clock
      • 0xF9 Undefined
      • 0xFA Start
      • 0xFB Continue
      • 0xFC Stop
      • 0xFD Undefined
      • 0xFE Active Sensing
      • 0xFF System Reset