This book provides an understanding of the impact of the Americans with Disabilities Act on audiologists. It also gives a clear explanation of the involvement of the Food and Drug Administration with hearing impairment and associated assistive devices, from the important perspective of government regulations. The book provides an excellent explanation of the electroacoustics of telephones and their interface with assistive devices, plus many useful strategies for understanding problems experienced on the telephone. Other topics include alerting and assistive systems for cochlear implant users, television viewing, the importance of room acoustics, integrating assistive devices into the hospital setting, and the application of frequency modulation devices in classrooms. A general framework is provided for selecting what is best for the individual involved, and suggested approaches to increasing consumer acceptance of assistive devices are detailed. There is also a review of basic principles and new technologies, plus a look at a broad range of alerting devices.