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OM 6.4 – User ManualScore Objects > Score Functions > Conversions
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Conversion Modules Overview

A set of conversion modules allows to manipulate midicents, frequencies and note names. They can be accessed via the Functions / Score / Conversions menu.

Converting Midicents and Frequencies

Frequency to Midicents

The frequency-to-midicents function converts frequencies to midicents.

Its input takes atoms or lists.

Midicents to Frequencies

The midicents-to-frequencies function converts midicents to frequencies.

Its input takes atoms or lists.

Approximating Midicents to a Tempered Value

Approximate-Midicents

The approximate-midicents function approximates a midicents value to the closest tempered division of the octave.

It has two default inputs and one optional input :

  • Its first input takes atoms or lists to approximate.
  • Its second input takes numbers or floats, which represent a division of the octave.For instance, 4 represents a quarter tone.
  • Its optional input takes a reference value in midicents, so that the function calculates a tempered interval.

    Converting Midicents and Note Names

    Name to Midicents

    The name-to-midicents function converts a note name to a midicent value.

    Its input takes a string or a list of strings, like ("C3").

    Midicents to Name

    The midicents-to-name function converts a midicents value to a note name.

    Its input takes a list of values.

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