Five techniques for reducing acoustic feedback in hearing aids were investigated: an
adaptive notch filter, three previously described methods for adaptive feedback cancellation …

A hearing compensation system comprises a plurality of bandpass filters having an input
connected to an input transducer and each bandpass filter having an output connected to …

A hearing aid includes a filter in an electrical feedback path, the characteristics of which filter
are calculated to model acoustic coupling between the receiver and mi crophone of the aid …

A digital signal processing hearing aid is disclosed having a plurality of digital signal
processing means for processing input digital signals, and a selector switch manipulable by …

A hearing compensation system for the hearing impaired comprises an input transducer for
converting acoustical information at an input to electrical signals at an output, an output …

4,377,793 A 3/1983 Horna 2002/0176584 A1 11/2002 Kates 4,425,481 A 1/1984 ManngId
et al ' 2003/0007647 A1 1/2003 Nielsen et a1. 4,471,171 A 9/1984 Kopke et al ' …

Int. Cl. Disclosed herein, among other things, are methods and appa HO4R 25/00(2006.01)
ratus for improved feedback cancellation for hearing assis (52) US Cl. tance devices. In …

An electronic filter for an electroacoustic system. The system has a microphone for
generating an electrical output from external sounds and an electrically driven transducer for …

US5245665A - Method and apparatus for adaptive audio resonant frequency filtering -
Google Patents US5245665A - Method and apparatus for adaptive audio resonant …

Systems, devices, and methods are provided to inhibit at least one feedback component of
an input audio signal by adjusting a feedback-inhibiting filter through a narrowband …