$creation	= "01/22/2020 10:32:18";
$clock_offset	= "0";
$speed		= 1.0;	## av with chop;
$audio_delay	= "0";		## li
$begin_time	= "0:00";
$end_time	= "01:00:56";
$text_duration	= 10;
$width		= 320;
$height		= 240;
$title		= "How the brain constructs a world?";
$author		= "Maneesh Sahani, UCL";
$copyright	= "KITP Blackboard Lunch, 26 Jun 2023 12:15";