14 lines
463 B
JavaScript
14 lines
463 B
JavaScript
"use strict";
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// Adapted from node-fft project by Joshua Wong and Ben Bryan
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// https://github.com/vail-systems/node-fft
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.fftFreq = void 0;
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const fftFreq = function (fftBins, sampleRate) {
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const stepFreq = sampleRate / fftBins.length;
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const ret = fftBins.slice(0, fftBins.length / 2);
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return ret.map((__, ix) => {
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return ix * stepFreq;
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});
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};
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exports.fftFreq = fftFreq;
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