Method for operating a hearing aid with reduced comb filter perceptio and hearing aid with reduced comb filter perception
A working method and technology of hearing aids, applied in hearing aids, hearing aid signal processing, prevention of sound wave response, etc., can solve problems such as deterioration of carrying comfort, limitation of effective signal information content, and blocking effect
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[0040] figure 1 A schematic representation of the behind-the-ear hearing aid 1'according to the prior art. It includes a housing 2'with a hearing aid ear hook 5'behind the ear wings 12' of the hearing aid carrier. In addition to the electronic components combined into the signal processing unit 9', the housing 2'is also equipped with a microphone 3', a battery 8'and an earpiece 4'. The acoustic signal generated by the earpiece 4'is transmitted to the ear piece 7'installed in the ear canal 13' of the hearing aid carrier through the hearing aid ear hook 5'and the acoustic hose 6'. A control element 10', such as an on-off switch or a working mode regulator, is installed on the hearing aid housing 2', which is connected to the signal processing unit 9'.
[0041] figure 2 For example, the frequency characteristic 20 of the comb filter is shown. It represents the variation curve of the amplitude 22 with the frequency 21, the unit of amplitude is, for example, decibel, and the unit o...
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