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KR20040028889A - One Side ITE(In-The-Ear) Hearing Aid with Opposite Side Directivity Increment - Google Patents

One Side ITE(In-The-Ear) Hearing Aid with Opposite Side Directivity Increment Download PDF

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Publication number
KR20040028889A
KR20040028889A KR1020040013235A KR20040013235A KR20040028889A KR 20040028889 A KR20040028889 A KR 20040028889A KR 1020040013235 A KR1020040013235 A KR 1020040013235A KR 20040013235 A KR20040013235 A KR 20040013235A KR 20040028889 A KR20040028889 A KR 20040028889A
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South Korea
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hearing aid
ear
hearing
directivity
opposite side
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KR1020040013235A
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Korean (ko)
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장순석
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장순석
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Priority to KR1020040013235A priority Critical patent/KR20040028889A/en
Publication of KR20040028889A publication Critical patent/KR20040028889A/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/40Arrangements for obtaining a desired directivity characteristic
    • H04R25/405Arrangements for obtaining a desired directivity characteristic by combining a plurality of transducers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/50Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/505Customised settings for obtaining desired overall acoustical characteristics using digital signal processing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/025In the ear hearing aids [ITE] hearing aids
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/41Detection or adaptation of hearing aid parameters or programs to listening situation, e.g. pub, forest

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

PURPOSE: An one side hearing aid structure design is provided to allow the user to listen the sound from the opposite side although the deaf person wears the one side hearing aid on only one side. CONSTITUTION: An one side hearing aid structure design capable of hearing the sound from the opposite side includes a front microphone inlet(A), a rear micro phone inlet(B), a battery outlet(C), a power on/off switch(D) and an interface connection terminal(E). The interface connection terminal(E) performs the interface between the interface connection terminal(E) and the computer. And, the one side hearing aid structure design is characterized in that the distance between the front microphone inlet(A) and the rear micro phone inlet(B) is about 10 mm.

Description

반대쪽 방향의 소리도 잘 들을 수 있는 한쪽 귓속형 보청기 구조 설계{One Side ITE(In-The-Ear) Hearing Aid with Opposite Side Directivity Increment}One Side In-The-Ear Hearing Aid with Opposite Side Directivity Increment

본 발명은 보청기에 관한 의료기기 기술 분야에 해당되며, 반대쪽 방향의 소리도 잘 들을 수 있는 한쪽 귓속형 보청기 구조 설계 기술에 관한 것이다. 현재까지 개발되거나 시판되는 보청기들 중에서 한쪽 귀는 정상인데 다른 쪽 귀가 심한 청각 장애를 가지는 청각 장애자들을 위한 보청기는 그 종류가 매우 제한적이다. 이 같은 청각 장애자들을 위한 보청기의 원리는 양쪽 귀에 모두 보청기를 착용하되 환측(건강하지 않은 귀쪽) 귀는 보청기 착용 효과가 없으므로 환측에서 증폭된 소리 신호를 외부 회로선을 거쳐 건측(건강한 귀쪽)으로 보내어 건측에 착용한 보청기로 소리를 듣도록 고안되어 있다. 이렇게 함으로써 환측 방향과 건측 방향의 소리를 모두 들을 수 있도록 한 것이다. 이 같은 종래 기술의 문제점은 환측에서 건측으로 전기 신호를 보내기 위해 바깥으로 전기 회로선이 도출되어야 했다. 보통안경테 안으로 전기선이 지나도록 한다. 그러다 보니 보청기를 착용하려면 양쪽 귀에 모두 보청기를 착용하여야 하고, 안경을 쓸 필요가 없는 사람도 도수 없는 안경을 쓰거나 전기선이 통과하는 머리띠를 둘러야 하는 불편이 많았다.The present invention corresponds to the field of medical device technology related to hearing aids, and relates to a design of a single ear type hearing aid structure that can hear sound in the opposite direction as well. Of the hearing aids developed or marketed so far, one ear is normal, while the other ear is limited in hearing aids for the hearing impaired. The principle of hearing aids for the hearing impaired is to wear hearing aids on both ears, but the affected side (unhealthy ear) ears have no hearing aid effect, so the amplified sound signal from the affected side is sent to the healthy side (healthy ear) through an external circuit line. It is designed to hear sound with hearing aid worn on the healthy side. In this way, the sound in both the annular direction and the healthy side can be heard. This problem of the prior art requires that electrical circuit lines be drawn outward to send electrical signals from the affected side to the healthy side. Allow the electric wires to pass through the glasses. Therefore, to wear hearing aids, hearing aids must be worn on both ears, and people who do not have to wear glasses had to wear hard glasses or surround the headband through which electric wires pass.

한쪽 귀는 정상인데 반대쪽 귀는 비정상인 청각 장애자가 청각 장애자들 중에서 가장 수적 비율이 높은 것으로 알려진다. 따라서 이 같은 청각 장애자들을 위한 보청기 개발이 필요하며, 특히 양쪽 귀 모두 보청기를 착용하지 않고도 양쪽 귀방향에서 들려오는 소리를 모두 잘 들을 수 있는 보청기의 개발이 필요했다.One ear is normal and the other ear is abnormal, with the hearing impaired being known to have the highest number of hearing impairments. Therefore, it is necessary to develop hearing aids for the hearing impaired, and in particular, the development of hearing aids capable of hearing sounds coming from both ears without having to wear hearing aids.

도 1은 사람 오른쪽 귀의 그림도.1 is an illustration of a person's right ear.

도 2는 귓속형 보청기 착용 전의 사람 왼쪽 귀의 사진도.2 is a photograph of the left ear of a person before wearing a hearing aid.

도 3a는 본 발명에 의한 귓속형 보청기 착용 후의 사람 왼쪽 귀의 사진도.Figure 3a is a photograph of the human left ear after wearing the ear hearing aid according to the present invention.

도 3b는 도 3a의 사각형 내부 창을 확대한 사진도.3B is an enlarged photograph of the rectangular inner window of FIG. 3A.

도 4는 외이도로 삽입되는 귓속형 보청기 외형 사진도.Figure 4 is an appearance photo of the hearing aid hearing aid inserted into the ear canal.

도 5는 사람의 머리와 양쪽 귀의 대략적인 모양을 3차원으로 CAD 모델링 하여 보여주는 그림도.Figure 5 is a schematic diagram showing the three-dimensional CAD model of the shape of the human head and both ears.

도 6은 디지털 보청기 전자 칩의 시간 지연 파라미터를 0 [msec]로 조절하여 나타난 지향성 패턴도. 주파수는 2000 [Hz].FIG. 6 is a directional pattern diagram of adjusting a time delay parameter of a digital hearing aid electronic chip to 0 [msec]. FIG. The frequency is 2000 [Hz].

도 7은 디지털 보청기 전자 칩의 시간 지연 파라미터를 약 0.425 [msec]로 조절하여 나타난 지향성 패턴도. 주파수는 2000 [Hz].FIG. 7 is a directional pattern diagram of adjusting a time delay parameter of a digital hearing aid electronic chip to about 0.425 [msec]. FIG. The frequency is 2000 [Hz].

상기한 목적을 위해 발명한 본 귓속형 보청기는 한쪽 귀(건측 귀)에만 착용하면서도 반대쪽 귀(환측 귀) 방향에서 들려오는 소리도 잘 들을 수 있도록 구조가설계 되었다. 반대쪽 방향의 소리도 잘 들을 수 있는 한쪽 귓속형 보청기의 구조는 다음과 같다.The ear hearing aid, which was invented for the above-mentioned purpose, is designed to be worn only on one ear (healthy ear) but also to listen to the sound coming from the opposite ear (round ear). The structure of one ear hearing aid that can hear sound in the opposite direction is as follows.

1) 도 1, 도 2, 도 3a에서 보여주듯이 발명된 귓속형 보청기는 한쪽 귀의 귓바퀴 내부 일부와 외이도 내부 일부를 점유하도록 구조 설계하여 보청기가 쉽게 밖으로 빠지지 않도록 고안 하였다.1) Inventive hearing aids as shown in Fig. 1, 2, 3a designed to occupy a portion of the inner ear wheel and the inner ear canal portion of one ear was devised so that the hearing aid does not fall out easily.

2) 환측 방향으로의 지향성을 가지기 위해 두 개의 보청기용 소형 마이크로폰이 도 3b가 보여주듯이 왼쪽 귀와 오른쪽 귀를 직선으로 잇는 방향으로 약 10mm의 간격으로 떨어져 배치되도록 하였다. 보통 사람들의 귓바퀴 내부 공간의 크기가 10㎜의 간격을 두기에 적당하고, 왼쪽 귀와 오른쪽 귀를 직선으로 잇는 방향으로의 배치가 가능하다는 데서 본 발명의 아이디어를 고안하였다. 두 개 마이크로폰의 간격을 더 벌어지게 하면 귓바퀴 바깥으로 도출되어 외관이 안 좋아진다.2) To have directivity in the annular direction, two small hearing aid microphones were arranged at intervals of about 10 mm in a direction connecting the left and right ears in a straight line as shown in FIG. 3B. The idea of the present invention was devised in that the size of the inner space of the auricle of the average person is suitable for a spacing of 10 mm, and the arrangement of the left and right ears in a straight line is possible. If you make the two microphones more apart, they will come out of the ear wheels and look bad.

3) 두 개 마이크로폰은 귓바퀴 내부 부분에 배치되고 증폭기와 리시버는 외이도 안쪽으로 삽입된 쉘 내부에 고정 된다 (도 3b, 도 4).3) The two microphones are placed inside the auricle and the amplifier and receiver are fixed inside the shell inserted into the ear canal (Figures 3b, 4).

4) 증폭기로는 두 개 마이크로폰 사이의 시간 지연을 임의로 줄 수 있도록 디지탈 보청기용 전자 칩을 사용한다.4) As an amplifier, an electronic chip for digital hearing aids is used to arbitrarily provide a time delay between two microphones.

5) 도 3b의 화살표 E가 보여주는 연결 접속 단자는 디지탈 보청기용 전자 칩과 외부 컴퓨터와의 인터페이스를 위한 접속 단자이다. 이 접속 단자를 경유하여 컴퓨터는 디지탈 보청기 전자 칩의 내부 파라미터들을 조절하게 되는 데, 내부 파라미터들 중에서 두 개 마이크로폰 사이의 시간 지연을 위한 파라미터를 조절한다.5) The connection terminal shown by arrow E of FIG. 3B is a connection terminal for interfacing an electronic chip for a digital hearing aid with an external computer. Via this connection terminal, the computer adjusts the internal parameters of the digital hearing aid electronic chip, among which the parameters for the time delay between the two microphones.

6) 양쪽 귀와 머리의 모양과 크기를 모두 고려하여 각기 다른 방향에서 입사되는 외부 음압에 대해 두 개 마이크로폰에 감지되는 음압 크기와 위상을 계산하는 수치해석기법으로 경계요소기법을 사용한다.6) The boundary element technique is used to calculate the magnitude and phase of sound pressure sensed by two microphones for the external sound pressure incident from different directions considering both the shape and size of both ears and head.

7) 도 5는 경계요소기법을 위한 3차원 구조표면의 메쉬 요소를 보여주는데, 본 발명을 위해 머리와 양쪽 귀의 근사적인 모양을 3차원으로 CAD 모델링 하였다. 양쪽 귀 구멍 입구 사이의 거리는 18cm로 하였다.7) Figure 5 shows a mesh element of the three-dimensional structure surface for the boundary element technique, for the present invention was modeled in three dimensions the approximate shape of the head and both ears. The distance between both ear hole inlets was 18 cm.

8) 디지털 보청기 전자 칩의 시간 지연 파라미터를 조절하여 나타난 지향성 패턴을 도 6과 도 7에서 보여주고 있으며, 시간 지연을 다르게 주면 지향성 패턴도 달라진다. 도 6은 시간 지연을 0.0 [msec]로 조절하였고, 도 7은 시간 지연을 약 0.425[msec]로 조절하였다 적용된 주파수는 2000 [Hz] 이다.8) The directivity patterns shown by adjusting the time delay parameter of the digital hearing aid electronic chip are shown in FIGS. 6 and 7. If the time delay is different, the directivity patterns are also different. 6 adjusts the time delay to 0.0 [msec], and FIG. 7 adjusts the time delay to about 0.425 [msec]. The applied frequency is 2000 [Hz].

9) 도 6과 도 7은 머리와 귓바퀴 그리고 외이도를 모두 고려하여 계산한 시간 지연 파라미터를 디지털 보청기 전자 칩에 입력시켜서 얻은 결과 그림도이다. 시간 지연 파라미터가 달라지면 도 7의 지향성 패턴도 달라지므로 이를 역으로 이용하면, 사람들마다 머리와 귀의 크기와 모양이 다르므로 각 사람에게 적합한 시간 지연 파라미터를 입력시키면 변화된 지향성 패턴을 얻게 된다. 도 6과 도 7에서 보여주듯이 건측(왼쪽 귀)에만 본 발명된 귓속형 보청기를 착용하고도 지향성은 건측보다 환측이 더 강하다는 것을 알 수 있으며, 건측 방향의 지향성이 환측에 비해 작다고 하나 건측 쪽 귀는 정상이기 때문에 소리를 어차피 잘 들을 수 있는 장점을 착안하였다.9 and 7 are diagrams of results obtained by inputting a time delay parameter calculated in consideration of both the head, the auricle, and the ear canal to the digital hearing aid electronic chip. If the time delay parameter is different, the directivity pattern of FIG. 7 is also different. Therefore, if the reverse direction is used, since the size and shape of the head and ears are different for each person, inputting a time delay parameter suitable for each person obtains a changed directivity pattern. As shown in FIGS. 6 and 7, even when wearing the ear hearing aid according to the present invention only on the healthy side (left ear), it can be seen that the directivity is stronger than that of the healthy side. The ear is normal, so I thought of the advantage of hearing it anyway.

본 발명은 반대쪽 방향의 소리도 잘 들을 수 있는 한쪽 귓속형 보청기 구조설계에 관한 것으로써 한쪽 귀는 정상이나 반대쪽은 비정상인 청각 장애자들이 건측 귀에만 한쪽 귓속형 보청기를 착용하고도 환측 방향에서 들려오는 소리도 잘 들을 수 있는 효과를 가진다.The present invention relates to the design of one ear hearing aid structure that can hear the sound in the opposite direction as well, while one ear is normal but the other is abnormal. Sound also has the effect of hearing well.

Claims (1)

본 발명에서 고안한 반대쪽 방향의 소리도 잘 들을 수 있는 한쪽 귓속형 보청기의 구조 설계Structural design of one ear type hearing aid which can hear the opposite direction sound devised in the present invention
KR1020040013235A 2004-02-24 2004-02-24 One Side ITE(In-The-Ear) Hearing Aid with Opposite Side Directivity Increment KR20040028889A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6151399A (en) * 1996-12-31 2000-11-21 Etymotic Research, Inc. Directional microphone system providing for ease of assembly and disassembly
WO2001001731A1 (en) * 1999-06-24 2001-01-04 Widex A/S A method for controlling the directionality of the sound receiving characteristic of a hearing aid and a hearing aid for carrying out the method
WO2002085066A1 (en) * 2001-04-18 2002-10-24 Widex A/S Directional controller and a method of controlling a hearing aid
JP2014534036A (en) * 2011-11-03 2014-12-18 シーメンス アクチエンゲゼルシヤフトSiemens Aktiengesellschaft Modular assist system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6151399A (en) * 1996-12-31 2000-11-21 Etymotic Research, Inc. Directional microphone system providing for ease of assembly and disassembly
WO2001001731A1 (en) * 1999-06-24 2001-01-04 Widex A/S A method for controlling the directionality of the sound receiving characteristic of a hearing aid and a hearing aid for carrying out the method
WO2002085066A1 (en) * 2001-04-18 2002-10-24 Widex A/S Directional controller and a method of controlling a hearing aid
JP2014534036A (en) * 2011-11-03 2014-12-18 シーメンス アクチエンゲゼルシヤフトSiemens Aktiengesellschaft Modular assist system

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