Digital hearing aid and method for feedback path modeling

Details Digital hearing aid and method for feedback path modeling Digital hearing aid and method for feedback path modeling

1997-12-17

2000-08-01

Kuntz, Curtis A.

Electrical audio signal processing systems and devices

Hearing aids, electrical

381 7111, 381317, 381318, H04R 2500

Patent

active

060978236

ABSTRACT:
A digital hearing aid (10) is provided that includes a microphone (12), a control and modeling circuitry (18), and a receiver (20). The microphone (12) receives an input sound signal x(t) and generates a digital input signal x(n) in response. The control and modeling circuitry (18) filters and amplifies the digital input signal x(n) and performs feedback neutralization and feedback path modeling to generate a digital output signal y(n). The receiver (20) receives the digital output signal y(n) and generates an output sound signal y(t) in response.

REFERENCES:
patent: 5402496 (1995-03-01), Soli et al.
patent: 5940519 (1999-08-01), Kuo

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