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size\r\n * @param {Number} [params.hopSize=441] - spacing of audio frames in samples\r\n * @param {Number} [params.decayRate=0.84] - how quickly previous peaks are forgotten\r\n * @param {Number} [params.peakFindingWindow=6] - minimum distance between peaks\r\n * @param {Number} [params.meanWndMultiplier=3] - multiplier for peak finding window\r\n * @param {Number} [params.peakThreshold=0.35] - minimum value of peaks\r\n * @param {Number} [params.widthTreshold=0.025] - the maximum difference in IOIs which are in the same cluster\r\n * @param {Number} [params.maxIOI=2.5] - the maximum IOI for inclusion in a cluster\r\n * @param {Number} [params.minIOI=0.07] - the minimum IOI for inclusion in a cluster\r\n * @param {Number} [params.maxTempos=10] - initial amount of tempo hypotheses\r\n * @param {Number} [params.minBeatInterval=0.3] - the minimum inter-beat interval (IBI) (0.30 seconds == 200 BPM)\r\n * @param {Number} [params.maxBeatInterval=1] - the maximum inter-beat interval (IBI) 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inclusion in a cluster\r\n * @param {Number} [params.maxTempos=10] - initial amount of tempo hypotheses\r\n * @param {Number} [params.minBeatInterval=0.3] - the minimum inter-beat interval (IBI) (0.30 seconds == 200 BPM)\r\n * @param {Number} [params.maxBeatInterval=1] - the maximum inter-beat interval (IBI) (1.00 seconds == 60 BPM)\r\n * @param {Number} [params.initPeriod=5] - duration of the initial section\r\n * @param {Number} [params.thresholdBI=0.02] - for the purpose of removing duplicate agents, the default JND of IBI\r\n * @param {Number} [params.thresholdBT=0.04] - for the purpose of removing duplicate agents, the default JND of phase\r\n * @param {Number} [params.expiryTime=10] - the time after which an Agent that has not accepted any beat will be destroyed\r\n * @param {Number} [params.toleranceWndInner=0.04] - the maximum time that a beat can deviate from the predicted beat time without a fork occurring\r\n * @param {Number} [params.toleranceWndPre=0.15] - the maximum 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