A book is rarely written alone although a title might have one author, there are a host of midwives who help it into being. First and foremost, thanks go to the Microsoft DirectShow team, who created this technology, and especially to the following members who contributed specifically to this project: Syon Bhattacharya, John Carothers, Alok Chakrabarti, Ben Ellett, Glenn Evans, Dennis Evseev, Stephen Estrop, Dennis Flanagan, Matthijs Gates, David Goll, Jay Kapur, Tuan Le, Danny Miller, Stan Pennington, Michael Savage, Robin Speed, Gary Sullivan, and E-Zu Wu.