meyda
Version:
Real-time feature extraction for the web audio api
16 lines (15 loc) • 621 B
JavaScript
// This file isn't being typechecked at all because there are major issues with it.
// See #852 for details. Once that's merged, this file should be typechecked.
// @ts-nocheck
export default function (_a) {
var signal = _a.signal, previousSignal = _a.previousSignal, bufferSize = _a.bufferSize;
if (typeof signal !== "object" || typeof previousSignal != "object") {
throw new TypeError();
}
var sf = 0;
for (var i = -(bufferSize / 2); i < signal.length / 2 - 1; i++) {
x = Math.abs(signal[i]) - Math.abs(previousSignal[i]);
sf += (x + Math.abs(x)) / 2;
}
return sf;
}