Melodic Morphing Plug-in

How to get there

Select two adjacent staves, each containing a monophonic melody in layer 1 and voice 1, with the Selection Tool l. From the Plug-ins menu, choose Scoring and Arranging, Composer’s Assistant, and then Melodic Morphing.

What it does

The Melodic Morphing plug-in creates an additional staff with a single melody made up of three sections. The first section is the source melody, the second section is the morphing result and the third is the target melody. The rhythm of the source and target is ignored. The Plug-in only generates sixteenth notes.

• Number of Morphing Steps. Specify how many mutations should be generated between the source melody and the target melody. Enter a low number to make the transition dramatic.

Notes: The plug-in examines the melodies in a 2-D space, where y-axis is pitch, and x-axis is time. Curves are stretched so the first point and the last point of each curve have the same x-coordinate. Then the first curve is continuously warped through a number of steps (entered as Number of Morphing Steps in the dialog box) until it matches the second curve.

Each curve resulting from a warping step is sampled in order to give a melodic fragment. The number of notes extracted from the curve is interpolated between the number of notes in the source melody and the target melody. Pitches generated are closest to those already present in the two melodies not the exact pitches from the curve generated.

• More Info · Cancel · OK. Click More Info for a reminder of what input this plug-in requires and a brief summary of what the plug-in does. Click Cancel to dismiss the dialog box without making any changes, or Click OK to make the selected changes.

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