planning.txt

Instrument.jl

The SetTempoEvent sets the tempo of a MIDI sequence in terms of microseconds per quarter note.

Fields:

dT::Int : Delta time in ticks.
metatype::UInt8 : Meta type byte of the event.
tempo::Int : The tempo in microseconds per quarter note.


The TimeSignatureEvent contains the time signature of a MIDI sequence.

Fields:

dT::Int : Delta time in ticks.
metatype::UInt8 : Meta type byte of the event.
numerator::Int : Numerator of the time signature.
denominator::Int : Denominator of the time signature.
clockticks::Int : MIDI clock ticks per click.
notated32nd_notes::Int : Number of 32nd notes per beat.

bpm(midi)

Return the BPM where the given MIDIFile was exported at. Returns QPM if not found.

ms_per_tick(tpq, qpm)
ms_per_tick(midi::MIDIFile)

Return how many miliseconds is one tick, based on the quarter notes per minute qpm and ticks per quarter note tpq.