This is the MIDI data format of the music sequencer Tone Generator Section.
This document provides a technical overview of the MIDI data format supported by the Yamaha QY20 Music Sequencer. It details the specific transmit and receive flows for various sections including the Tone Generator and Sequencer.
The manual specifies exact hexadecimal status bytes and data structures for Channel Voice Messages (Note On/Off, Control Change, Program Change) and System Real-Time Messages (Timing Clock, Start, Stop). It also covers Registered Parameter Numbers for tuning adjustments and System Exclusive messages for General MIDI mode switching.
| MIDI Transmit Channels (Tracks 1-4, C1-C2, Bass) | Channels 1 through 7 |
|---|---|
| MIDI Transmit Channel (Drum track) | Channel 10 |
| Pitch Bend Change Resolution | 14 bits |
| Active Sensing Transmission Interval | Approximately every 175 milliseconds |
The Drum track transmits on MIDI channel 10.
The resolution for Pitch Bend Change is 14 bits.
Active Sensing is transmitted once approximately every 175 milliseconds.