prepate for Tunajs goodness

note: I should get rid of bower and set up proper module bundling engine

.gitignore

@@ -3,3 +3,4 @@
 /.tmp
 /.sass-cache
 /bower_components
+/app/scripts/libs

app/index.html

@@ -79,11 +79,15 @@ <h2 class="logo"><span class="glyphicon glyphicon-scale"></span> RumcaJS <span c
     <!-- endbuild -->
 
         <!-- build:js({.tmp,app}) scripts/scripts.js -->
+        <script src="scripts/libs/tuna.js"></script>
         <script src="scripts/app.js"></script>
+        <script src="scripts/ctx.js"></script>
+        <script src="scripts/tuna.js"></script>
         <script src="scripts/gui.js"></script>
         <script src="scripts/keyboard.js"></script>
         <script src="scripts/dsp.js"></script>
         <script src="scripts/voice.js"></script>
+        <script src="scripts/effects/delay.js"></script>
         <!-- endbuild -->
 </body>
 </html>

app/scripts/ctx.js

@@ -0,0 +1,7 @@
+'use strict';
+
+angular.module('rumca-js')
+  .factory('Ctx', function ($window) {
+    var AudioContext = $window.AudioContext || $window.webkitAudioContext;
+    return new AudioContext();
+  });

app/scripts/dsp.js

@@ -1,20 +1,22 @@
 'use strict';
 
 angular.module('rumca-js')
-  .factory('DSP', function ($window, Voice) {
-
-    var AudioContext = $window.AudioContext || $window.webkitAudioContext;
-  	var ctx = new AudioContext();
+  .factory('DSP', function ($window, Voice, Ctx, Tuna, Delay) {
+
+    var ctx = Ctx;
   	var voices = [];
     var master = ctx.createGain();
     var distortion = ctx.createWaveShaper();
     var voiceChain = ctx.createGain();
+    var delay = Delay;
+    delay.delayTime = 100;
 
     //Master Effect Chain
     //Master volume
     // var master = ctx.createGain();
-    master.connect(ctx.destination);
-    master.gain.value = 0.05;
+    master.connect(delay);
+    delay.connect(ctx.destination);
+    master.gain.value = 0.15;
 
     //Distortion
     //var distortion = ctx.createWaveShaper();

app/scripts/effects/delay.js

@@ -0,0 +1,13 @@
+'use strict';
+
+angular.module('rumca-js')
+  .factory('Delay', function (Tuna) {
+    return new Tuna.Delay({
+      feedback: 0.45,    //0 to 1+
+      delayTime: 800,    //how many milliseconds should the wet signal be delayed?
+      wetLevel: 0.8,    //0 to 1+
+      dryLevel: 1,       //0 to 1+
+      cutoff: 22050,      //cutoff frequency of the built in lowpass-filter. 20 to 22050
+      bypass: 0
+    });
+  });

app/scripts/tuna.js

@@ -0,0 +1,7 @@
+'use strict';
+
+angular.module('rumca-js')
+  .factory('Tuna', function($window, Ctx) {
+    var Tuna = $window.Tuna;
+    return new Tuna(Ctx);
+  });

package.json

@@ -36,5 +36,8 @@
   },
   "scripts": {
     "test": "grunt test"
+  },
+  "dependencies": {
+    "tunajs": "^0.4.2"
   }
-}
+}