The autotrain video presentations can be used with a custom written java audio player. This player is based on other work covered by the GNU General Public licence.
The Java audio player is basically a Java Applet which can play OggVorbis encoded audio files streamed from a normal http (eg apache) webserver, whilst triggering slide advances in an accompanying frame. In order to use the Java Audio Player you will need the following :
The code in this applet is primarily a modified version of the JOrbis Player from JCraft, but it also incorperates 'inspiration' and some minimal code from the JavaZoom JlGui MP3 player applet.