reduce data points and canvas size

index.html

@@ -32,7 +32,7 @@
         Sample Rate: <span id="audio-context-sample-rate">N/A</span> per second.
       </div>
       <div>
-    <canvas id="received-graph" width="800" height="100"></canvas>
+    <canvas id="received-graph" width="550" height="100"></canvas>
   </div>
     <div>
       <label>

index.js

@@ -10,7 +10,7 @@ var receivedDataTextarea;
 var sentDataTextArea;
 var receivedGraph;
 var receivedData = [];
-var MAX_DATA_POINTS = 300;
+var MAX_DATA_POINTS = 100;
 var MAX_DATA = 0;
 var pauseTimeoutId;