Patent ID: 6130950
Filing Date: 2000-10-10
Classification: H04R

Abstract:
A hearing aid comprising:a hearing aid housing;an acoustoelectrical input transducer in said hearing aid housing which produces a signal, an electroacoustical output transducer in said hearing aid housing, a signal path in said hearing aid housing between said acoustoelectrical input transducer and said electroacoustical output transducer, and distal processor means in said signal path, having a plurality of digital signal processing stages, for acting on said signal to produce a processed signal supplied to said electroacoustical output transducer;a digital memory in said hearing aid housing, accessible by said signal processing stages, in which setting parameters for said signal processing stages are stored;adjustment means, including a plurality of manually actuatable mechanically adjustable trimmers permanently mounted for user access at an exterior of said hearing aid housing and respectively allocated to said signal processing stages, and a plurality of analog-to-digital converters respectively connected between said mechanically adjustable trimmers and said signal processing stages, for independently and separately selectively adjusting the respective signal processing stages by supplying digital adjustment signals thereto dependent on mechanical adjustment of said trimmers for matching said signal processing stages to each other in a hearing situation; andprogrammable means for selectively allocating said mechanically adjustable trimmers to said processing stages.