Written in an easy-to-read style that is especially accessible for the busy clinician who is bombarded by many new terms and concepts. Provides short synopsis of outer and inner hair cell function, as it specifically relates to an increasingly common type of compression: wide dynamic range compression (WDRC) Describes clearly the more popular threshold-based and suprathreshold-based hearing aid fitting methods. Offers concise explanation of the many different types of compression in hearing aids