added audioplayer contrib module

libraries/wavesurfer/example/microphone/app.js

@@ -0,0 +1,36 @@
+'use strict';
+
+// Create an instance
+var wavesurfer;
+
+// Init & load
+document.addEventListener('DOMContentLoaded', function () {
+    var micBtn = document.querySelector('#micBtn');
+
+    // Init wavesurfer
+    wavesurfer = WaveSurfer.create({
+        container     : '#waveform',
+        waveColor     : 'black',
+        interact      : false,
+        cursorWidth   : 0,
+        plugins: [
+            WaveSurfer.microphone.create()
+        ]
+    });
+
+    wavesurfer.microphone.on('deviceReady', function() {
+        console.info('Device ready!');
+    });
+    wavesurfer.microphone.on('deviceError', function(code) {
+        console.warn('Device error: ' + code);
+    });
+
+    // start/stop mic on button click
+    micBtn.onclick = function() {
+        if (wavesurfer.microphone.active) {
+            wavesurfer.microphone.stop();
+        } else {
+            wavesurfer.microphone.start();
+        }
+    };
+});