| 摘要 |
PROBLEM TO BE SOLVED: To provide a hearing aid system with which hearing by the user is improved, sound in every direction is heard better, a sound direction is easily perceived, and localization of a sound source is facilitated. SOLUTION: A digital hearing aid is provided with an input section 1, having at least three microphones or over for collecting a sound signal, a digital signal processing section 3 to apply signal processing to the sound picked up by the microphones of the input section and an output section 5 that converts an output of the signal processing section into a sound output to facilitate direction perception and localization of a sound source.
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