Forget The Theory—This Is The Real World, Part 1
Peter Mapp examines a cathedral sound system with surprisingly high speech intelligibility and discusses the acoustic design of the space.

Peter Mapp examines a cathedral sound system with surprisingly high speech intelligibility and discusses the acoustic design of the space.

Peter Mapp, PhD, takes a look at some of the changes to the new STI standard in his 150th Sound Advice column.

What is the expected operational life of a sound system?

Although I already have something along the lines of 200 technical audio and acoustics books, I am always on the …


Peter Mapp explores how to measure speech intelligibility accounting for the effects of reverberation, audience noise, and absorption.