Fitting methodology and hearing prosthesis based on signal-to-noise ratio loss data

摘要

A hearing prosthesis is provided, comprisingan input signal channel providing a digital input signal,an environmental classifier that is adapted to analyse the digital input signal for predetermined signal features to indicate respective recognition probabilities for different listening environments,a processor that is adapted toprocess the digital input signal in accordance with one or several noise reduction algorithms and associated algorithm parameters to generate a noise reduced digital signal, andcontrol a noise reduction amount of the noise reduced digital signal based on the recognition probabilities indicated by the environmental classifier, whereinthe parameter set of the environmental classifier has been selected to be substantially identical to a training-phase parameter set determined during a training phase of an environmental classifier of the same type.