Reply To: QU CC# FOR THE MIDI LED FOR CUSTOM LAYER

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Andreas
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Sorry, out of office last week. Note OFF is surely the wrong event to be sent. The Mute is controlled by Note ON (90h) messages only, Mute ON uses a higher velocity (40h..7Fh) and Mute OFF expects a lower velocity (01h..3Fh). Each followed by an additional Note ON message for the same “note” with zero velocity.
If this sounds somewhat weird, reason for this protocol is pretty simple: This way it does not create odd sounds on some synth module sharing the same MIDI cable, since the second Note ON with zero velocity is effectively defined to be interpreted as a Note OFF, any note triggered on a synth from the first Note ON event will be released immediatly.