METHOD FOR QUANTITATIVELY MEASURING A HEARING DEFECT

A method is described for measuring the hearing deficit of a person preparatory to providing a hearing aid designed in accordance with analysis of the deficit, wherein frequency bands over which hearing level is unacceptable are determined, the bands are then shifted in harmonic sustaining manner to bands over which hearing level is acceptable, and thereafter over all frequency bands parameters necessary to shape, amplify, compress and adaptively filter background noise in continuously variable and adaptive fashion so as to produce an aurally optimized signal are adjusted and recorded.