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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EA, ASJ-H, ASJ-MA, ASJ-SP | 2023-07-02 16:25 |
Hokkaido | Intracranial pressure estimation method by pressure pulse wave analysis in the ear canal Kenji Furihata, Tetsuya Goto, Kazuhiro Hongo (Shinshu Univ.)  EA2023-9 |
We found that the intracranial natural resonance frequency (NRF) depended only on the intracranial pressure (ICP) and th... [more] | EA2023-9 pp.26-33 |
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| NC, MBE (Joint) |
2019-03-04 15:20 |
Tokyo | University of Electro Communications | Measurement of venous hemodynamics with the internal pressure measuring device for the ear canal Shuhei Monzai, Sota Takahashi, Takamasa Yoshida, Nobuyuki Terada (Toyo Univ.) MBE2018-90 |
We detected the change of the internal pressure of the ear canal using the acoustic sensors in our previous study, showi... [more] | MBE2018-90 pp.29-32 |
| EA, ASJ-H | 2017-08-10 10:00 |
Miyagi | Tohoku Univ., R. I. E. C. | The possibility of Discrimination Whether Intracranial Pressure is Higher or Lower than a Critical Value by the External Auditory Canal Pressure Pulse Waves Kenji Furihata, Tetsuya Goto, Kazuhiro Hongo (Shinshu Univ.), Norio Koike (Ichikawa Ltd.) EA2017-34 |
Noninvasive monitoring of the intracranial pressure (ICP) via the auditory system is theoretically possible because chan... [more] | EA2017-34 pp.41-46 |
| EA, ASJ-H | 2017-08-10 10:25 |
Miyagi | Tohoku Univ., R. I. E. C. | Predicting Intracranial Pressure through a Noninvasive Method Kenji Furihata, Tetsuya Goto, Kazuhiro Hongo (Shinshu Univ.), Norio Koike (Ichikawa Ltd.) EA2017-35 |
In the previous paper, as the result of our own discrimination analysis: (a) the presence of a critical intracranial pre... [more] | EA2017-35 pp.47-54 |
| EA, US (Joint) |
2017-01-25 10:30 |
Kyoto | Doshisha Univ. | [Poster Presentation]
A Investigation of Effect of Pinna Shape on Sound Field in Ear Canal under Ultrasonic Exposure Masahito Takatsuka, Ayumu Osumi, Youichi Ito (Nihon Univ.) US2016-78 |
In basic study of ultrasonic exposure, we have studied the sound filed distribution in a pseudo ear canal set up a manne... [more] | US2016-78 pp.35-38 |
| US | 2014-10-22 13:00 |
Shizuoka | Shizuoka Univ., Hamamatsu Campus | A study of sound pressure characteristics in ear canal at the ultrasonic-frequency range
-- examination of experiment and simulation -- Natsumi Wada, Ayumu Osumi, Youichi Ito (Nihon Univ.) US2014-49 |
In this study of ultrasonic exposure, we have studied the sound pressure characteristics in a pseudo ear canal set up a ... [more] | US2014-49 pp.1-6 |
| US | 2014-10-22 13:25 |
Shizuoka | Shizuoka Univ., Hamamatsu Campus | Effect of non-plane sound wave in ear canal on ultrasonic exposure Shotaro Asakura, Hideyuki Nomura, Tomoo Kamakura (UEC) US2014-50 |
Acoustic properties in ear canal models were measured to consider mechanical effects of ultrasound to the eardrum for th... [more] | US2014-50 pp.7-12 |
| EA | 2012-10-27 14:15 |
Toyama | USHIDAKE resort (Toyama) | [Poster Presentation]
Prediction Method of Noninvasive Acoustic Intracranial Pressure Measurement in the Ear Canal Hiroto Nakano, Kenji Furihata, Tsuyoshi Tada (Shinshu Univ.), Jun Nakano, Satoshi Yasumoto, Norio Koike (Ichikawa) EA2012-70 |
Intracranial pressure (ICP) can be assessed using infrasound because tympanic membrane displacement results from the tra... [more] | EA2012-70 pp.31-36 |
| EA | 2011-10-29 11:15 |
Nagano | Faculty of Engineering, Shinshu Univ. | Development of an Earplug Type Low-frequency Microphone System and its Application Masato Yamashita, Sho Arai, Kenji Furihata (Shinshu Univ.) EA2011-80 |
This paper investigated whether intracranial pressure (ICP) can be assessed by measuring infrasonic emissions from the t... [more] | EA2011-80 pp.73-78 |
| EA | 2011-10-29 11:45 |
Nagano | Faculty of Engineering, Shinshu Univ. | Methods for Binaural Recording and Reproduction by Earplug Type Electroacoustic Transducers Ryosuke Sato, Shogo Kambe, Kenji Furihata (Shinshu Univ) EA2011-81 |
Individual HRTFs are almost universally measured with blocked or partially blocked ear canals. However, accuracy of freq... [more] | EA2011-81 pp.79-84 |
| US | 2009-11-27 14:40 |
Shizuoka | Shizuoka University, Hamamatsu Campus | Acoustic characteristics of ear canal model for studying ultrasonic exposure Masayoshi Kondo, Toru Yoshida, Hideyuki Nomura, Tomoo Kamakura (Univ. of Electro-Comm.) US2009-75 |
For studying ultrasonic exposure to human beings, we have investigated sound pressure characteristics in several narrow ... [more] | US2009-75 pp.25-28 |
| EA | 2009-10-22 09:40 |
Niigata | A study on out-of-head sound localization with several kinds of high accuracy sound stereo insert earphones Toshihiro Matsuda, Masataka Yoshida, Haruhide Hokari, Shoji Shimada (Nagaoka Univ. of Tech.) EA2009-57 |
In this report, the impact of Ear Canal Transfer Function (ECTF) equalization on out-of-head sound localization with st... [more] |
EA2009-57 pp.7-12 |
|
| EA | 2009-10-23 11:35 |
Niigata | Construction of a Surround Sound Evaluation System using a Real-ear Insert Microphone Probe. Takamasa Ota, Kenji Furihata (Shinshu Univ.) EA2009-71 |
The problem of estimating the sound pressure level (SPL) generated at individual eardrums is experimentally investigated... [more] | EA2009-71 pp.89-94 |
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| EA | 2009-10-23 13:25 |
Niigata | Measurement of Acoustic Impedances of Ear Canals by Two Microphone Method of Impedance Tube Toshio Kogasaka, Kenji Furihata (Shinshu Univ.) EA2009-73 |
Computer simulation of acoustic scenes is an important prerequisite of rendering. Technology for 3-D sound reproduction,... [more] | EA2009-73 pp.101-106 |
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| EA | 2008-12-04 14:45 |
Fukushima | Ear Canal Transfer Functions (ECTFs) in Listening through Headphones Ryouichi Nishimura, Hironori Takemoto, Hiroaki Kato (NICT/ATR) EA2008-104 |
Head Related Transfer Functions (HRTFs) are usually defined as transfer functions from a sound source at various locatio... [more] | EA2008-104 pp.19-24 |
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| EA | 2008-10-23 13:00 |
Toyama | A study on relationship between the frequency bands and the equalization of Ear Canal Transfer Function regarding the out-of-head sound localization Hiroshi Yamanaka, Masataka Yoshida, Haruhide Hokari, Shoji Shimada (Nagaoka Univ. of Tech.) EA2008-68 |
Out-of-head sound localization systems with stereo earphones can make the listeners believe that they are in the primary... [more] | EA2008-68 pp.19-24 |
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| EA | 2008-10-23 13:30 |
Toyama | Out-of-head sound localization with adaptive inverse filtering system of ECTF using DSP Masataka Yoshida, Haruhide Hokari, Shoji Shimada (Nagaoka Univ. of Tech.) EA2008-69 |
Using stereo earphones to implement out-of-head sound localization (OHL) with high presence needs equalization with the ... [more] | EA2008-69 pp.25-30 |
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| EA | 2007-10-19 14:00 |
Nagano | Shinshu University Faculty of Engineering | A study on the Adaptive Inverse Filtering with DSP for equalizing Ear Canal Transfer Function Noriaki Fujita, Masataka Yoshida, Haruhide Hokari, Shoji Shimada (Nagaoka Univ. of Tech.), Shinicihi Fujino (Japan Kyastem) EA2007-70 |
Out-of-head sound localization by stereo earphones can provide the listener with sound image localization with high p... [more] |
EA2007-70 pp.37-42 |
| EA | 2006-10-27 13:30 |
Niigata | Nagaoka Univ. Tech. | A role of equalizing ear canal transfer function for high fidelity sound localization Masataka Yoshida, Akihiro Kudo, Haruhide Hokari, Shoji Shimada (Nagaoka Univ. of Tech.) |
It is well known that the transfer functions for headphone-based virtual sound reproduction depend on the listener; they... [more] | EA2006-66 pp.31-36 |
| EA | 2004-10-29 14:00 |
Niigata | Nagaoka Univ. of Tech. | A rating system of headphones and earphones using transfer function of external auditory canal Dai Adachi, Kenji Furihata (Shinshu Univ.) |
Now, it is used to measure frequency characteristics of headphones and earphones using 6cc and 2cc coupler. However, the... [more] | EA2004-85 pp.43-48 |
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