Bug 19769: Note that before the first automation event, the computed AudioParam value will be AudioParam.value
--- a/webaudio/specification.html Tue Dec 04 14:40:51 2012 -0800
+++ b/webaudio/specification.html Tue Dec 04 14:48:04 2012 -0800
@@ -1507,7 +1507,8 @@
<ol>
<li>An <em>intrinsic</em> parameter value will be calculated at each time, which is either the value set directly to the .value attribute,
- or, if there are any scheduled parameter changes (automation events), the value as calculated from these events. If the .value attribute
+ or, if there are any scheduled parameter changes (automation events) with times before or at this time,
+ the value as calculated from these events. If the .value attribute
is set after any automation events have been scheduled, then these events will be removed. When read, the .value attribute
always returns the <em>intrinsic</em> value for the current time. If automation events are removed from a given time range, then the
<em>intrinsic</em> value will remain unchanged and stay at its previous value until either the .value attribute is directly set, or automation events are added