John Bareham 

Consultant in Electroacoustics 

John R. Bareham is an independent consultant specializing in electroacoustic measurement. His technical specialities include measurements on telephones, loudspeakers, microphones, headphones, hearing aids, hydrophones, sound systems, and listening rooms. His background includes nine years with Brüel & Kjær as Applications Engineer and member of the Senior Technical Staff, contributions to IEEE and ANSI standards, and several technical papers and application notes. He has been an independent consultant since 1991.