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youpy/a.rb

CreatedJanuary 9, 2017 23:53

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tape degradation sim (wip)

	constc=newAudioContext();
	constreq=newRequest('https://dl.dropboxusercontent.com/u/334064/tmp/wh.mp3');
	constsource=c.createBufferSource();
	constosc=c.createOscillator();
	constgain=c.createGain();

	osc.frequency.value=0.4;
	gain.gain.value=0.0;
	osc.connect(gain)
	source.loop=true;

	fetch(req).then((res)=>{
	res.arrayBuffer().then((buffer)=>{
	c.decodeAudioData(buffer,(decodedData)=>{
	source.buffer=decodedData;
	source.connect(c.destination);
	gain.connect(source.playbackRate);
	osc.start(0);
	source.start(0);
	});
	});
	});

	constfn=()=>{
	constt=(Math.random() *0.1) +0.05;
	gain.gain.exponentialRampToValueAtTime(3.0,c.currentTime +t);
	gain.gain.exponentialRampToValueAtTime(Math.random() 0.02,c.currentTime +(t 2));

	setTimeout(()=>{
	fn();
	},Math.random() *4000);
	};

	fn();

Movatterモバイル変換