Patent ID: 6574342
Filing Date: 2003-06-03
Classification: H04R

Abstract:
A hearing aid fitting system comprising:a stimulus generating device for generating a set of audio stimuli comprising a plurality of loudness levels for each of a plurality of selected frequencies, wherein said stimilus generating device is worn by an individual being fitted and a perceived response of the individual to each said audio stimulus can be determined; an automatic gain control device for determining a plurality of gain compensation factors for said plurality of loudness levels at said plurality of selected frequencies and for adjusting said plurality of gain compensation factors each corresponding to one of said selected frequencies or to one of said audio stimuli to achieve a substantially similar perceived loudness across the entire frequency spectrum; a loudness interface having a graphical user interface wherein a gain compensation curve to indicate the measure of gain compensation required by the individual can be plotted and an interconnection between said loudness interface, said automatic gain control device and said stimulus generating device.