diff -r 000000000000 -r 6474c204b198 dom/webidl/AudioNode.webidl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/webidl/AudioNode.webidl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,45 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * The origin of this IDL file is
+ * https://dvcs.w3.org/hg/audio/raw-file/tip/webaudio/specification.html
+ *
+ * Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C
+ * liability, trademark and document use rules apply.
+ */
+
+enum ChannelCountMode {
+    "max",
+    "clamped-max",
+    "explicit"
+};
+
+enum ChannelInterpretation {
+    "speakers",
+    "discrete"
+};
+
+interface AudioNode : EventTarget {
+
+    [Throws]
+    void connect(AudioNode destination, optional unsigned long output = 0, optional unsigned long input = 0);
+    [Throws]
+    void connect(AudioParam destination, optional unsigned long output = 0);
+    [Throws]
+    void disconnect(optional unsigned long output = 0);
+
+    readonly attribute AudioContext context;
+    readonly attribute unsigned long numberOfInputs;
+    readonly attribute unsigned long numberOfOutputs;
+
+    // Channel up-mixing and down-mixing rules for all inputs.
+    [SetterThrows]
+    attribute unsigned long channelCount;
+    [SetterThrows]
+    attribute ChannelCountMode channelCountMode;
+    attribute ChannelInterpretation channelInterpretation;
+
+};
+