Synopsis This book uses modern principles of communication systems such as the compact discs, television, the telephone and the computer as the motivation for you to study their basic principles. From analog to digital conversion, spectrum and bandwidth and packet and circuit switching, to electricity and electronics, modulation and multiplexing and computer processing, the author takes a thorough and phased approach in presenting major topics. Structured in modular format, the book covers audio technology, video systems, speech communication systems and written communication systems, applying key concepts in each area to real world communication systems. An easy to comprehend book, that gives the reader a complete introduction to communication technologies and systems, offering you a solid understanding of the fundamentals, history and the future direction of this ever changing field. Geared towards non-technical business professionals and students, this unique resource integrates human physiology and factors, important inventors and business people and basic technological principles to explain the key concepts and developments of modern principles of communication.