Timer: 0

    Copyright: Copyright 1998-2001 W3C (MIT, INRIA, Keio), All Rights Reserved.
    See http://www.w3.org/Consortium/Legal/.
    Author: Muriel Jourdan (Muriel.Jourdan@inrialpes.fr)
    Version: APr. 3, 2000, v1
    Module: SMIL Timing & Sync Module
    Feature:  begin attribute and Negative Delay
    File Name: Negative_Delay2.smil
    Media Components: 1 wav
    Expected Behavior: The audio start to play at t=2s
    but its first three seconds are skipped.
    <t:par id="p1" begin="2s">
    <t:audio  id="vid" src="../sounds/geminidecho.wav"
    begin="p1.begin-3s" />
    </t:par>