Synthetic stimuli for the steady-state verification of modulation-based noise reduction systems

Authors:
Jesko G. Lamm;Anna K. Berg;Christian G. Glück
Affiliations:
Bernafon AG, Bern, Switzerland;Bernafon AG, Bern, Switzerland;Bernafon AG, Bern, Switzerland
Venue:
EURASIP Journal on Advances in Signal Processing - Special issue on digital signal processing for hearing instruments
Year:
2009

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Abstract

Hearing instrument verification involves measuring the performance of noise reduction systems. Synthetic stimuli are proposed as test signals, because they can be tailored to the parameter space of the noise reduction system under test. The article presents stimuli targeted at steady-statemeasurements in modulation-based noise reduction systems. It shows possible applications of these stimuli and measurement results obtained with an exemplary hearing instrument.