$creation	= "12/8/2008 9:58:02";
$clock_offset	= "0";
$speed		= 0.9962;	## li
$audio_delay	= "0";		## li
$begin_time	= "2:25:06";
$end_time	= "3:38:15";
$text_duration	= 10;
$width		= 640;
$height		= 480;
$title		= "Topological Band Theory and the Quantum Spin Hall Effect";
$author		= "Charlie Kane, Univ. of Penn & KITP";
$copyright	= "KITP Blackboard Lunch, 8 Dec 2008 12:15";