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Hearing Aid

Bone Anchored Hearing Aid(BAHA)

Bone Anchored Hearing Aid(BAHA)

... Long-term results. The bone-ancho- red hearing aid and bone-anchored episthesis for congenital ear malformations. Bone-anchored hea- ring aid: comparison of benefit by patient subgroups[r] ...

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A Subband Structured Digital Hearing Aid Design for Compensating Sensorineural Hearing Loss

A Subband Structured Digital Hearing Aid Design for Compensating Sensorineural Hearing Loss

... digital hearing aid. The sensorineural hearing loss has a hearing threshold that shows a nonlinear characteristic in frequency domain, and its compensation suffers from an echo that produced ...

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Digital Hearing Aid DSP Chip Parameter Fitting Optimization

Digital Hearing Aid DSP Chip Parameter Fitting Optimization

... Abstract: DSP chip parameters of a digital hearing aid (HA) should be optimally selected or fitted for hearing impaired persons. The more precise parameter fitting guarantees the better compensation ...

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Evaluation of Hearing Aid Effectiveness Using Hearing Tests and Analysis of Prognostic Factors

Evaluation of Hearing Aid Effectiveness Using Hearing Tests and Analysis of Prognostic Factors

... 그리고 ECHO (Expected Consequences of Hearing aid Ownership) (Cox 와 Alexander, 2001)라는 설문항목을 통하여 보청기 사용 후 기대치를 예측하는 방법이 있으나 객관적인 평가를 하기에는 한계점이 있다. 보청기 처방 후 보청기에 대한 평가는 사람마다 다르고 그 기준에 따라 다양한 결과가 나타날 수 있다. 하지만 ...

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Design of a Stereo Hearing Aid Module for Presbycusis

Design of a Stereo Hearing Aid Module for Presbycusis

... In this paper, we improved the high frequency noise characteristics of the previously proposed hearing aid circuits for presbycusis, and we designed and fabricated[r] ...

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Nano Digital Hearing Aid Firmware and Fitting Software Development

Nano Digital Hearing Aid Firmware and Fitting Software Development

... 그림 14. 보청기의 채널별 비선형증폭 곡선 Fig. 14. Nonlinear compression I/O curve of digital hearing aid in each channel. 80dB~105dB의 선형증폭이 이뤄져서 낮은 진폭의 음소 에 대해서 감도가 좋도록 할 수 있고, 입력 음압 50dB 이상은 주로 모음이 신호의 대부분 에너지를 차지하게 되므로 ...

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Hearing aid application of feedback cancellation algorithm in frequency domain

Hearing aid application of feedback cancellation algorithm in frequency domain

... 핵심용어: 스마트 보청기, 피드백 제거, 주파수 영역 적응 필터, 정규 최소 평균 자승 기법, 스마트폰 원격 제어 ABSTRACT: In this paper, the realization of a hearing aid adaptively cancelling feedback noise was considered. Conventional least mean square ...

8

Directional realization of in the ear hearing aid using digital filters

Directional realization of in the ear hearing aid using digital filters

... 핵심용어: 스마트 보청기, 지향성, 주파수 영역 디지털 필터 기법, 시간 지연 기법, 스마트폰 원격 제어 ABSTRACT: In this paper, the realization of a directional digital hearing aid was considered. Conventional time domain time delay method was ...

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Implementation of Multichannel Digital Hearing Aid Algorithm Development Platform using Simulink

Implementation of Multichannel Digital Hearing Aid Algorithm Development Platform using Simulink

... digital hearing aid algorithm using Simulink provided by ...digital hearing aids are considered medical devices designed to compensate for hearing loss, they need to be correctly selected, to ...

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Subband Sparse Adaptive Filter for Echo Cancellation in Digital Hearing Aid Vent

Subband Sparse Adaptive Filter for Echo Cancellation in Digital Hearing Aid Vent

... digital hearing aid vent give rise to user’s ...subband hearing aid structure is proposed to cancel echo of vent by estimating sparse vent impulse ...

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A Novel Modeling Method for Manufacturing Hearing Aid Using 3D Medical Images

A Novel Modeling Method for Manufacturing Hearing Aid Using 3D Medical Images

... a hearing aid ear shell based on Digital Imaging and Communication in Medicine (DICOM) in the hearing aid ear shell manufacturing method us- ing a 3D ...the hearing aid ear shell ...

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Proposition of a Vibration Based Acceleration Sensor for the Fully Implantable Hearing Aid

Proposition of a Vibration Based Acceleration Sensor for the Fully Implantable Hearing Aid

... ABSTRACT The hybrid acoustic sensor for implantable hearing aid has the structure in which a sound pressure based acoustic sensor (ECM) and a vibration based acceleration sensor are combined. This sensor ...

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Low-Power Implementation of A Multichannel Hearing Aid Using A General-purpose DSP Chip

Low-Power Implementation of A Multichannel Hearing Aid Using A General-purpose DSP Chip

... Multichannel Hearing Aid Using A General-purpose DSP Chip Bum-Jun Kim* Joon Byun* Young-Cheol Park* 요 약 본 논문에서는 범용 DSP 칩을 이용한 저전력 다중 채널 보청기 시스템 구현을 ...

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Development of a Multi-Layer Actuator With Piezoelectric Single Crystals for an Implantable Hearing Aid

Development of a Multi-Layer Actuator With Piezoelectric Single Crystals for an Implantable Hearing Aid

... implantable hearing aids need to be small and to have good performance in frequency responses and vibration ...implantable hearing aid, and verified its adequacy through finite element analyses and ...

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An Experimental Study on the Fitting of 64 Channel Digital Hearing Aid by In-situ Method

An Experimental Study on the Fitting of 64 Channel Digital Hearing Aid by In-situ Method

... the hearing loss test, the present fitting method uses the auditory threshold of sound pressure measured near the tympanic membrane while ITE (In-The-Ear) hearing aid is fitted into the user’s ear ...

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A Physical Cochlear Model for Transducer Performance Evaluation of Implantable Hearing Aid with Round Window Driver

A Physical Cochlear Model for Transducer Performance Evaluation of Implantable Hearing Aid with Round Window Driver

... conductive hearing aid)가 사용되고 있으나, 이는 음향 궤환(acoustic feedback)에 의 한 하울링(howling effect) 현상으로 인해 착용이 불편하다는 단점 이 ...ear hearing aid) 등의 이식형 보청기에 대한 연구 개발이 활발하게 이루어지고 ...

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Design of External Coil System for Reducing Artifact of MR Image due to Implantable Hearing Aid

Design of External Coil System for Reducing Artifact of MR Image due to Implantable Hearing Aid

... implantable hearing aids such as cochlear implant, middle ear implant, ...the hearing impaired patients. Most of implantable hearing aids are adopted permanent magnet pairs to couple between internal ...

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A Physical Ear Model for Evaluating Hybrid-acoustic Sensor Characteristics of Fully Implantable Middle-ear Hearing Aid

A Physical Ear Model for Evaluating Hybrid-acoustic Sensor Characteristics of Fully Implantable Middle-ear Hearing Aid

... Dong Ho Shin † , Ha Jun Moon †† , Myoung Nam Kim ††† , Jin-Ho Cho †††† ABSTRACT In this paper, biomimetic based physical ear model proposed for measuring the characteristics of a hybrid-acoustic sensor for fully ...

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In Vitro Assessment of MRI Safety at 1.5 T and 3.0 T for Bone-Anchored Hearing Aid Implant

In Vitro Assessment of MRI Safety at 1.5 T and 3.0 T for Bone-Anchored Hearing Aid Implant

... 1) 삼성서울병원 영상의학과・ 2) 충북대학교 의용생체공학과 연규진 1,2) ・김현수 1) ・이승근 1) ・이태수 2) ― 국문초록 ― 본 연구는 1.5 T와 3.0 T Magnetic Resonance Imaging에서 Bone-Anchored Hearing Aid (BAHA) implant의 수평인력, 회전력, 그리고 자화감수성 인공물의 크기를 표준측정 방법에 ...

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Study on frequency response of implantable microphone and vibrating transducer for the gain compensation of implantable middle ear hearing aid

Study on frequency response of implantable microphone and vibrating transducer for the gain compensation of implantable middle ear hearing aid

... implantable hearing devices with the digital audio signal processor still apply to fitting rules of conventional hearing aid without regard to the effect of the implanted microphone and the vibrating ...

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