Ken Pohlmann is professor emeritus and former director of the Music Engineering programs at the University of Miami. He is a consultant for audio manufacturers in technology development and patent litigation. Pohlmann has authored or co-authored numerous books, including Principles of Digital Audio and Master Handbook of Acoustics, both for McGraw-Hill. He is a monthly contributor to Sound & Vision magazine and has written over 2,500 articles and test reports for magazines and journals. Pohlmann chaired the Audio Engineering Society's International Conference on Digital Audio, and co-chaired the International Conference on Internet Audio. He consults for companies such as Bertlesmann Music Group, Cirrus Logic, Ford, Fujitsu, Harman International, Hughes Electronics, Hyundai, IBM, Daimler-Chrysler, Lexus, Microsoft, Nippon Columbia, Philips, Sony, Time Warner, and Toyota.