This text covers a wide range of audio topics at a level equivalent to first year degree standard in electronic engineering/physics, but at the same time capable of being understood by readers of slightly lower academic attainment. The aim of this comprehensive book is to give authoritative accounts and explanations of most aspects of audio engineering and technology. It is assumed that the reader has some knowledge of audio matters but this may not be at a very high level. The chapters can be understood in their own right without reading the whole text. They are fully illustrated and contain ample references. This book is suitable for practising engineers in the broadcasting and recording fields, service engineers and audio/visual staff in universities, colleges and hospitals.