Type Alias ReferencePhrase

One phrase: its span, the section it opens in, how it cadences, and the melodic and motivic content within it.

type ReferencePhrase = {
    startBeat: number;
    endBeat: number;
    bars: number;
    section: number | null;
    confidence: number;
    cadence: ReferenceCadence | null;
    melody: ReferencePhraseMelody | null;
    motifNodes: number[];
}

Properties

startBeat: number

First beat of the phrase.

endBeat: number

End of the phrase, exclusive.

bars: number

The phrase's length in bars.

section: number | null

Index into form.sections of the section this phrase's start beat falls in.

confidence: number

Confidence of the phrase boundary, in [0, 1].

The cadence the phrase ends on, or null when it closes on none.

The phrase's melodic descriptors, or null when fewer than two notes sound within it.

motifNodes: number[]

Indices into melody.graph.nodes of every motif statement that starts within this phrase.