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let context = new AudioContext(); | |
let noiseWorker = context.createAudioWorker("worker.js"); | |
let noiseNode1 = context.createScriptProcessor(noiseWorker); | |
let noiseNode2 = context.createScriptProcessor(noiseWorker); | |
let oscillator = context.createOscillator(); | |
noiseNode1.connect(oscillator.detune); | |
noiseNode2.connect(context.destination); |
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var spawn = require('child_process').spawn; | |
exports.getPcmData = function(filename, sampleCallback, endCallback) { | |
var outputStr = ''; | |
var oddByte = null; | |
var channel = 0; | |
var gotData = false; | |
// Extract signed 16-bit little endian PCM data with ffmpeg and pipe to STDOUT | |
var ffmpeg = spawn('ffmpeg', ['-i',filename,'-f','s16le','-ac','2', |
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#!/usr/bin/python2 | |
# Copyright (C) 2016 Sixten Bergman | |
# License WTFPL | |
# | |
# This program is free software. It comes without any warranty, to the extent | |
# permitted by applicable law. | |
# You can redistribute it and/or modify it under the terms of the Do What The | |
# Fuck You Want To Public License, Version 2, as published by Sam Hocevar. See |
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#!/usr/bin/env python | |
# -*- coding: utf-8 -*- | |
""" | |
Translated from a MATLAB script (which also includes C-weighting, octave | |
and one-third-octave digital filters). | |
Author: Christophe Couvreur, Faculte Polytechnique de Mons (Belgium) | |
[email protected] | |
Last modification: Aug. 20, 1997, 10:00am. | |
BSD license |