MusicianCV · TR

GM closed hi-hat mapping

Open the interactive module

Note and channel data

GM maps 42 to closed and 46 to open hi-hat. Swap them in one groove and listen to the decay.

GM closed hi-hat mapping · 99 2A 64 → ch10 · 42

Bytes in the example are hexadecimal. In channel messages the first byte identifies the type and channel. Subsequent data bytes carry parameters. System messages use other layouts.

Example

MIDI 1.0 message / interpretation · 99 2A 64 / ch10 · 42

MIDI 1.0 message / interpretation

99 2A 64 ch10 · 42

Try it

Which field should you identify first in a MIDI monitor?

AnswerIdentify the status before decoding the data fields. With running status the prior channel status can still apply.

Related topics

Why MIDI is not an audio recording

References

MIDI specifications and reference tables

Subject-expert review pending.