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Students are increasingly having to confront the technological changes behind media and communication systems. The advent of digital broadcasting, the development of mobile communications, and the affordability of sophisticated digital imaging and editing systems all demonstrate how complex technological systems are becoming accessible and even commonplace. With a clear explanation of key technical principles and the social role of new technologies, this book seeks to enable students to make sense of the changes taking place in communications and media today.
• The early history of technology and communications: the telegraph and the telephone
• Communication channels: data delivery systems
• Digital broadcasting
• Convergence: data communications and digital media
• Consumption: digital media in and outside the home
• Mobile communications
• An information society?