xvi About the Authors
John Linsley Hood (Chapters 5, 6, 7, 9, 11, 16, and 30) is the author of Audio
Electronics and Valve and Transistor Audio Amplifi ers. Linsley Hood was head of the
electronics research laboratories at British Cellophane, for nearly 25 years. He worked
on many instrumentation projects, including width gauges and moisture meters, and
made several inventions which were patented under the Cellophane name. Prior to his
work at British Cellophane he worked in the electronics laboratory of the Department of
Atomic Energy at Sellafi eld, Cumbria. He studied at Reading University after serving in
the military as a radar mechanic. Linsley Hood published more than 30 technical feature
articles inWireless World magazine and its later incarnation Electronics World. He also
contributed to numerous other magazines, including Electronics Today.
Peter Mapp BSc, MSc, CPhys, CEng, FIOA, FASA, FAES, MinstP, FinstSCE,
MIEE (Chapter 29) is a contributor to Audio and Hi-Fi Handbook. Mapp is a principal
of Peter Mapp Associates, an acoustic consultancy based in Colchester, England, which
specializes in the fi elds of room acoustics, electro-acoustics, and sound system design.
Peter holds degrees in applied physics and acoustics and has particular interests in the
fi elds of speech intelligibility of sound systems, small room acoustics, and the interaction
between loudspeakers and rooms. He has authored and presented many papers and
articles on these subjects both in Europe and the USA. Peter is well known for his
research into speech intelligibility and its measurement and developing new measurement
techniques in relation to room acoustics.
He is a regular contributor to the audio technical press, having written over 100 articles
and technical papers, and is a contributing author to several international audio and
acoustics reference books.
Allen Mornington-West (Chapter 15) is a contributor to Audio and Hi-Fi Handbook.
Eugene Patronis (Chapter 2, 3, and 22) is the co-author of Sound System Engineering,
Third Edition. Patronis is Professor of Physics Emeritus at the Georgia Institute
of Technology in Atlanta, Georgia, USA. He has also served as an industrial and
governmental consultant in the fi elds of acoustics and electronics.
Douglas Self (Chapters 10, 12, and 13) is the author of Audio Power Amplifi er Design
Handbook. He is a senior designer of high-end audio amplifi ers and a contributor to
Electronics World magazine