Added high and low shelf filter plugins

plugins/Filters/HighShelf.js

@@ -0,0 +1,38 @@
+/*globals BasePlugin */
+/*
+    High Shelf
+    A 2nd order biquad high shelf filter
+*/
+var HighShelf = function (factory, owner) {
+
+    // This attaches the base plugin items to the Object
+    BasePlugin.call(this, factory, owner);
+
+    /* USER MODIFIABLE BEGIN */
+    // Only modify between this line and the end of the object!
+
+    var inputNode = this.context.createGain(),
+        outputNode = this.context.createGain(),
+        filter = this.context.createBiquadFilter();
+
+    filter.type = "highshelf";
+
+    inputNode.connect(filter);
+    filter.connect(outputNode);
+
+    var frequency = this.parameters.createNumberParameter("frequency", 8000, 10, 20000);
+    var gain = this.parameters.createNumberParameter("gain", 0, -24, +24);
+
+    frequency.bindToAudioParam(filter.frequency);
+    gain.bindToAudioParam(filter.gain);
+
+    this.addInput(inputNode);
+    this.addOutput(outputNode);
+};
+
+// Also update the prototype function here!
+HighShelf.prototype = Object.create(BasePlugin.prototype);
+HighShelf.prototype.constructor = HighShelf;
+HighShelf.prototype.name = "HighShelf";
+HighShelf.prototype.version = "1.0.0";
+HighShelf.prototype.uniqueID = "JSHS";

plugins/Filters/LowShelf.js

@@ -0,0 +1,38 @@
+/*globals BasePlugin */
+/*
+    Low Shelf
+    A 2nd order biquad high shelf filter
+*/
+var LowShelf = function (factory, owner) {
+
+    // This attaches the base plugin items to the Object
+    BasePlugin.call(this, factory, owner);
+
+    /* USER MODIFIABLE BEGIN */
+    // Only modify between this line and the end of the object!
+
+    var inputNode = this.context.createGain(),
+        outputNode = this.context.createGain(),
+        filter = this.context.createBiquadFilter();
+
+    filter.type = "lowshelf";
+
+    inputNode.connect(filter);
+    filter.connect(outputNode);
+
+    var frequency = this.parameters.createNumberParameter("frequency", 80, 10, 20000);
+    var gain = this.parameters.createNumberParameter("gain", 0, -24, +24);
+
+    frequency.bindToAudioParam(filter.frequency);
+    gain.bindToAudioParam(filter.gain);
+
+    this.addInput(inputNode);
+    this.addOutput(outputNode);
+};
+
+// Also update the prototype function here!
+LowShelf.prototype = Object.create(BasePlugin.prototype);
+LowShelf.prototype.constructor = LowShelf;
+LowShelf.prototype.name = "LowShelf";
+LowShelf.prototype.version = "1.0.0";
+LowShelf.prototype.uniqueID = "JSLS";

plugins/Filters/peaking.js

@@ -1,7 +1,7 @@
 /*globals BasePlugin */
 /*
-    HPF
-    A 2nd order biquad high pass filter
+    Peaking
+    A 2nd order biquad peaking filter
 */
 var PeakingFilter = function (factory, owner) {
 
@@ -37,4 +37,4 @@ PeakingFilter.prototype = Object.create(BasePlugin.prototype);
 PeakingFilter.prototype.constructor = PeakingFilter;
 PeakingFilter.prototype.name = "PeakingFilter";
 PeakingFilter.prototype.version = "1.0.0";
-PeakingFilter.prototype.uniqueID = "JSHP";
+PeakingFilter.prototype.uniqueID = "JSPK";