Copyright: Copyright 1998-2005 W3C (MIT, ERCIM, Keio), All Rights Reserved. See http://www.w3.org/Consortium/Legal/. Author: Geoff Freed, WGBH/NCAM Version: Mar. 13, 2001, v3 Module: Content Control Module Feature: systemAudioDesc test attribute File Name: systemAudioDesc.smil Media Components: 2 JPG, 2 WAV Expected Behavior: show image; play audio descriptions from a single source file containing descriptions and appropriately timed intervals of silence.