Demystifying Hearing Assistive Technology
This book focuses on the access needs of individuals who are hard of hearing or deaf who rely on aural/oral and/or print communication and not sign language. It covers information on hearing aids, audiograms, cochlear implants and other auditory implantable devices, the definition of communication access, assistive listening devices, speech-to-text accommodations, alerting devices, and telecommunication options. In addition, there is an extensive resource section with additional information on the topics covered. (Published: 2007)
Although this book was published a number of years ago it still provides a good foundation. However, it should be noted that there have been significant advances in technology since it's publication.