This is an engineering-level guide to the design and implementation of interactive television: set-top boxes, receivers and interfaces. It is approved by the NAB (National Broadcasters Association) and ATSC (Advanced Television Systems Committee). The book includes set-top box design methods; explains how to use ATSC digital broadcast standards to build out ITV systems; features a TV software application model; and features MPEG-4 (Moving Picture Expert Group). Engineers and technicians in the broadcast and telecommunications industries should find this book of interest.