Praise for this book:

This book succeeds in its aim of providing a practically useful and
theoretically sound comprehensive book on hearing aids ... It makes the most
complicated concepts easy to understand, with excellent cross referencing ... I certainly wouldn't want to be without
this book and I highly recommend it to everyone with an interest in hearing
aids. -- Pauline Smith, ENT & Audiology
News

Key Features:

• Completely revised to reflect the research and
  technological...