diff -r 60bd2b36b9dc -r e35e7efb7b6b annot-server/webapp/templates/pianoroll.html
--- a/annot-server/webapp/templates/pianoroll.html	Thu Apr 16 12:15:33 2015 +0200
+++ b/annot-server/webapp/templates/pianoroll.html	Thu Apr 16 13:13:34 2015 +0200
@@ -32,7 +32,8 @@
 
     var stageView = new annotviz.StageView({
         logger: logger,
-        sceneWidth: 1024,
+        sceneWidth: 1920,
+        sceneHeight: 800,
     });
     
     var doubleroll = new annotviz.DoubleRoll({
@@ -41,12 +42,12 @@
         ws: new annotviz.WsWrapper(wsUri),
     	orientation: 'horizontal',
     	showTimer: true,
-    	sceneWidth: 1024,
-    	sceneHeight: 768,
+    	sceneWidth: 1920,
+    	sceneHeight: 800,
     	zeroShift: 1,
         pianorolls : [
 		  {
-		    height: 384,
+		    height: 400,
 		    timeWidth: 10,
 		    lineInterval: 5000,
 		    noteHeight: undefined,
@@ -57,7 +58,7 @@
 		    dynamicRange: true,
 		  },
 		  {
-		    height: 384,
+		    height: 400,
 		    timeWidth: 60,
 		    lineInterval: 5000,
 		    noteHeight: undefined,