Patent ID: 8290190
Filing Date: 2012-10-16
Classification: H04R

Abstract:
1. A method for processing sound signals in a hearing aid, said method comprising transforming an acoustic input sound signal into an electric input signal, estimating a first signal level of the electric input signal based on a first signal level estimator adapted for responding according to a first speed, estimating a second signal level of the electric input signal based on a second signal level estimator adapted for responding according to a second speed, said second speed being lower than said first speed, subtracting said second signal level from said first signal level, thereby forming a third signal level, determining in a first compressor a first compressor gain control output based on said third signal level, determining in a second compressor a second compressor gain control output based on said second signal level, summing said first and second compressor gain control outputs thereby creating a net gain control signal, amplifying said electric input signal in accordance with the net gain control signal thereby creating an electric output signal and transforming said electric output signal into an acoustic output signal.