--- a/webaudio/specification.html	Sun Jan 27 09:45:30 2013 -0800
+++ b/webaudio/specification.html	Mon Feb 04 16:06:13 2013 -0800
@@ -2468,20 +2468,20 @@
     attribute PanningModelType panningModel;
 
     <span class="comment">// Uses a 3D cartesian coordinate system </span>
-    void setPosition(float x, float y, float z);
-    void setOrientation(float x, float y, float z);
-    void setVelocity(float x, float y, float z);
+    void setPosition(double x, double y, double z);
+    void setOrientation(double x, double y, double z);
+    void setVelocity(double x, double y, double z);
 
     <span class="comment">// Distance model and attributes </span>
     attribute DistanceModelType distanceModel;
-    attribute float refDistance;
-    attribute float maxDistance;
-    attribute float rolloffFactor;
+    attribute double refDistance;
+    attribute double maxDistance;
+    attribute double rolloffFactor;
 
     <span class="comment">// Directional sound cone </span>
-    attribute float coneInnerAngle;
-    attribute float coneOuterAngle;
-    attribute float coneOuterGain;
+    attribute double coneInnerAngle;
+    attribute double coneOuterAngle;
+    attribute double coneOuterGain;
 
 };
 </code></pre>
@@ -2648,15 +2648,15 @@
 interface <dfn id="dfn-AudioListener">AudioListener</dfn> {
 
     <span class="comment">// same as OpenAL (default 1) </span>
-    attribute float dopplerFactor;
+    attribute double dopplerFactor;
 
     <span class="comment">// in meters / second (default 343.3) </span>
-    attribute float speedOfSound;
+    attribute double speedOfSound;
 
     <span class="comment">// Uses a 3D cartesian coordinate system </span>
-    void setPosition(float x, float y, float z);
-    void setOrientation(float x, float y, float z, float xUp, float yUp, float zUp);
-    void setVelocity(float x, float y, float z);
+    void setPosition(double x, double y, double z);
+    void setOrientation(double x, double y, double z, double xUp, double yUp, double zUp);
+    void setVelocity(double x, double y, double z);
 
 };
 </code></pre>
@@ -2886,10 +2886,10 @@
     attribute unsigned long fftSize;
     readonly attribute unsigned long frequencyBinCount;
 
-    attribute float minDecibels;
-    attribute float maxDecibels;
-
-    attribute float smoothingTimeConstant;
+    attribute double minDecibels;
+    attribute double maxDecibels;
+
+    attribute double smoothingTimeConstant;
 
 };
 </code></pre>