Importance

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Abstract

A hearing aid that stores preset signal processing parameters, and performs stepwise adjustment of one or more of the stored signal processing parameters from a starting point of a predetermined range to an end point of the range is provided. Examples of signal processing parameters to be adjusted are high tone amplification, maximum output level and noise suppression threshold value. Examples of trigger signal supplying means include a time clock, the power state of the hearing aid, battery replacement, and a switch. The hearing aid may be arranged for mutual communication with an external unit. The external unit may select the one or more parameters to be adjusted, set the range of the one or more parameters to be adjusted, set a step magnitude to be used in the stepwise adjustment, and set the repeat interval of the successive trigger signals in the time clock. The hearing aid carries out the adjustment autonomously.

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First Claim