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Pleco-Xa

findMusicalLoop

findMusicalLoop(audioData, sampleRate, tempo, __namedParameters?): object

Defined in: packages/pleco-xa/src/scripts/xa-downbeat.js:169

Simple loop finder that respects musical boundaries

Parameters

Section titled “Parameters”

audioData

Section titled “audioData”

any

sampleRate

Section titled “sampleRate”

any

tempo

Section titled “tempo”

any

__namedParameters?

Section titled “__namedParameters?”

maxBars?

Section titled “maxBars?”

number = 8

minBars?

Section titled “minBars?”

number = 2

preferredBars?

Section titled “preferredBars?”

number = 4

Returns

Section titled “Returns”

object

bars

Section titled “bars”

bars: number = numBars

end

Section titled “end”

end: number = loopEnd

score

Section titled “score”

score: number

start

Section titled “start”

start: number = loopStart

Throws

Section titled “Throws”

when the analyzed region carries no signal evidence (RMS at or below 1e3 × float32-tiny, i.e. silence or pure denormals). Without this gate, scoreLoopConsistency() degenerates on silence — all-zero chunk energies give zero variance and a PERFECT 1.0 score — fabricating maximum confidence out of nothing.