The IBS (Institute of Broadcast Sound) www.ibs.org.uk Bill Curtis Associates www.bcassociates.org Ravensbourne Short Course Unit www.rave.ac.uk/shortcourses Ravensbourne College of Design & Communication www.rave.ac.uk First Sense Ltd. www.firstsense.net Advision TV www.advisiontv.co.uk Speak Limited www.speak.ltd.uk