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flit / MidiKeys

On-screen MIDI keyboard with hotkeys support
Apache License 2.0
113 stars 8 forks source link

Octave incorrectly labeled #8

Closed elgow closed 3 years ago

elgow commented 4 years ago

The keycap labels for the C keys are incorrect. The key labeled C3 sends a MIDI pitch of 60, which is C4 at a frequency of 261.63 Hz. Probably better to correctly label the octave, but apart from that nit it's a great and useful application.

flit commented 4 years ago

Thanks for the the report!

I think part of the issue is that the actual octave numbers are sometimes shifted, depending on where you look.

flit commented 3 years ago

Closing this issue; it's fixed in version 1.9.1.

The history behind C3 vs C4 is actually quite interesting. It seems lot of MIDI related software actually lets you select which middle C octave to show in the UI. But I'm happy to go with the official MIDI notation. 🎹