diff -r 000000000000 -r 6474c204b198 dom/webidl/AnalyserNode.webidl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/webidl/AnalyserNode.webidl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,37 @@
+/* -*- 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.
+ */
+
+interface AnalyserNode : AudioNode {
+
+    // Real-time frequency-domain data
+    void getFloatFrequencyData(Float32Array array);
+    void getByteFrequencyData(Uint8Array array);
+
+    // Real-time waveform data
+    void getFloatTimeDomainData(Float32Array array);
+    void getByteTimeDomainData(Uint8Array array);
+
+    [SetterThrows, Pure]
+    attribute unsigned long fftSize;
+    [Pure]
+    readonly attribute unsigned long frequencyBinCount;
+
+    [SetterThrows, Pure]
+    attribute double minDecibels;
+    [SetterThrows, Pure]
+    attribute double maxDecibels;
+
+    [SetterThrows, Pure]
+    attribute double smoothingTimeConstant;
+
+};
+