Electrical hearing aid has individual microphones combined to provide 2 microphone units in turn combined to provide further microphone unit with same order directional characteristic

摘要

The hearing aid has at least 3 omnidirectional microphones (20,21,22), connected together for providing a directional microphone system. Two microphone units, each having a directional characteristic of similar order, are each provided by combining at least 2 microphones (20,21; 20,22), the microphone units combined for providing a third microphone unit with a directional characteristic of the same order. An independent claim for an operating method for a hearing aid is also included.