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2.2.13 Beat_engraver

This engraver is just a functionally identical copy of Beat_performer, used for visualising its effects. You can also use it for showcasing the effects of the current beatStructure.

Music types accepted: articulation-event and note-event

Properties (read)

barExtraVelocity (integer)

Extra MIDI velocity added by the ‘Beat_performer’ at the start of each measure.

beatBase (positive exact rational or +inf.0)

The musical length corresponding to one unit of beatStructure.

beatExtraVelocity (integer)

Extra MIDI velocity added by the ‘Beat_performer’ at the start of each beat.

beatStructure (list)

A sequence describing the length of each beat in the measure in units of beatBase.

measurePosition (moment)

How much of the current measure have we had. This can be set manually to create incomplete measures.

timeSignatureFraction (positive, finite fraction, as pair)

A pair of numbers, signifying the time signature. For example, '(4 . 4) is a 4/4 time signature.

timing (boolean)

Keep administration of measure length, position, bar number, etc.? Switch off for cadenzas.

Beat_engraver is not part of any context