Bob Peters PhD, CEng, FIOA, CPhys has spent almost fifty years working in acoustics and noise control – in teaching, research, consultancy. He is a principal acoustic consultant for Applied Acoustic Design, a visiting fellow at London South Bank University, and distance learning course tutor for the Institute of Acoustics. He is also author of Acoustics and Noise Control 3rd edition, published by Routledge, and editor of Uncertainty in Acoustics, on acoustic measurements, with CRC Press.