diff --git a/experiments/createObjectURL/index.html b/experiments/createObjectURL/index.html
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index 00000000..33b5adec
--- /dev/null
+++ b/experiments/createObjectURL/index.html
@@ -0,0 +1,13 @@
+
+
+
+
+
+
+
+
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+
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+
\ No newline at end of file
diff --git a/experiments/createObjectURL/index.js b/experiments/createObjectURL/index.js
new file mode 100644
index 00000000..00d2e259
--- /dev/null
+++ b/experiments/createObjectURL/index.js
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+const context = new (window.AudioContext || window.webkitAudioContext)();
+const audio = document.getElementById("audio");
+audio.autoplay = true;
+audio.controls = true;
+
+audio.setAttribute("crossOrigin", "anonymous");
+
+const source = context.createMediaElementSource(audio);
+
+const analyser = context.createAnalyser();
+source.connect(analyser);
+
+analyser.fftSize = 2048;
+const bufferLength = analyser.frequencyBinCount;
+const dataArray = new Uint8Array(bufferLength);
+analyser.getByteTimeDomainData(dataArray);
+
+// Get a canvas defined with ID "oscilloscope"
+const canvas = document.getElementById("oscilloscope");
+const canvasCtx = canvas.getContext("2d");
+
+// draw an oscilloscope of the current audio source
+
+function draw() {
+ requestAnimationFrame(draw);
+
+ analyser.getByteTimeDomainData(dataArray);
+
+ canvasCtx.fillStyle = "rgb(200, 200, 200)";
+ canvasCtx.fillRect(0, 0, canvas.width, canvas.height);
+
+ canvasCtx.lineWidth = 2;
+ canvasCtx.strokeStyle = "rgb(0, 0, 0)";
+
+ canvasCtx.beginPath();
+
+ const sliceWidth = canvas.width * 1.0 / bufferLength;
+ let x = 0;
+
+ for (let i = 0; i < bufferLength; i++) {
+ const v = dataArray[i] / 128.0;
+ const y = v * canvas.height / 2;
+
+ if (i === 0) {
+ canvasCtx.moveTo(x, y);
+ } else {
+ canvasCtx.lineTo(x, y);
+ }
+
+ x += sliceWidth;
+ }
+
+ canvasCtx.lineTo(canvas.width, canvas.height / 2);
+ canvasCtx.stroke();
+}
+
+draw();
+
+source.connect(context.destination);
+
+document.getElementById("input").addEventListener("change", e => {
+ const url = URL.createObjectURL(e.target.files[0]);
+ audio.src = url;
+});
+
+document.getElementById("podcast").addEventListener("click", () => {
+ const url =
+ "http://cf-media.sndcdn.com/XjYswaAshTWP?Policy=eyJTdGF0ZW1lbnQiOlt7IlJlc291cmNlIjoiKjovL2NmLW1lZGlhLnNuZGNkbi5jb20vWGpZc3dhQXNoVFdQIiwiQ29uZGl0aW9uIjp7IkRhdGVMZXNzVGhhbiI6eyJBV1M6RXBvY2hUaW1lIjoxNTA2MDA3OTkxfX19XX0_&Signature=rGScfcjqJp3ZFMeeiovou39xp8q78CHEyEYgHtjXQ3rKDhzQza9Bv9JFDexhdWlLD2xw7JQ8OHhRPaG5CKwQy1bojrwBSdwFaXZD2LIRmuQE5gRToNs6Glop89cBpDBbTKRWLFLZ37dH9kB438C-6TKB1yygzLVTSsx6p9Dt1mWldVaKDKxApDYYUuPvVq9ZCLScAoa2-4jOmPzmPjcoyrX~3BdLCRhXYYlxNTFBEKXmWhnBq10ZD01ERz-32WGcM1IydxIIoCsthgNBgDHoig26~YM7vskXswf8khi9i02cuAZcCPLIgKBdbFcHiRRErwd4Qq1hv210gH~hcIXTEg__&Key-Pair-Id=APKAJAGZ7VMH2PFPW6UQ";
+ audio.src = url;
+});