meyda/dist/esm/extractors/spectralSpread.js

Real-time feature extraction for the web audio api

import { mu } from "./extractorUtilities";
export default function (_a) {
    var ampSpectrum = _a.ampSpectrum;
    if (typeof ampSpectrum !== "object") {
        throw new TypeError();
    }
    return Math.sqrt(mu(2, ampSpectrum) - Math.pow(mu(1, ampSpectrum), 2));
}