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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Method of signal processing for maintaining directional hearing with hearing aids

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H04R-005/00    H04R-029/00    H04R-025/00   
미국특허분류(USC) 381/68 ; 381/60 ; 381/26
출원번호 US-0085652 (1993-06-30)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 92  인용 특허 : 0
초록
▼

The insertion effects of hearing aids are determined and compensated to restore the ability to have directional hearing in individuals wearing hearing aids. In one aspect a method involves finding the ratio of the unaided head related transfer function to the aided head related transfer function and then designing a hearing aid filter that is the inverse of that derived insertion effect, thereby restoring the ability to hear interaural differences in aided systems both in level and in time of arrival to improve hearing in the presence of noise. The inser...

대표
청구항
▼

A method for obtaining coefficients of a digital filter for use in compensating effects of a hearing aid, comprising the steps of: determining an unaided head related transfer function for each ear and for a plurality of azimuth locations of a sound source; determining an aided head related transfer function for each ear having a hearing aid installed thereat and for the plurality of azimuth locations of the sound source; finding a minimum phase representation of the unaided head related transfer function; finding a minimum phase representation of the ai...

이 특허를 인용한 특허 피인용횟수: 92

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