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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EA, ASJ-H | 2021-08-20 15:25 |
Online | Online | A study on methods for estimating the frequency of arriving sound by using frequency conversion for active sinusoidal noise control Kensaku Fujii (Kodaway Lab.), Mitsuji Muneyasu (Kansai Univ.), Yoshifumi Chisaki (CIT)  EA2021-24 |
in this paper, we propose a method for estinating the frequency of arriving sine wave by uisng frequency conversion for ... [more] | EA2021-24 pp.19-26 |
| EA, ASJ-H | 2021-07-15 10:55 |
Online | Online | A study of a small directional loud-speaker array that combines a horn loud-speaker and ordinary loud-speakers Manabu Okamoto (Sojo Univ.), Ryotaro Sato, Kenta Niwa, Kazunori Kobayashi (NTT) EA2021-4 |
We propose a speaker array that combines multiple speakers with one small horn speaker. The horn speaker is mainly good ... [more] | EA2021-4 pp.18-23 |
| EA, US, SP, SIP, IPSJ-SLP [detail] | 2021-03-03 09:00 |
Online | Online | Transmission characteristics of low profile airborne ultrasonic transducer Kohei Shida, Yuji Wada, Kentaro Nakamura (Tokyo Tech) US2020-77 |
Application area of airborne ultrasound has been extending from sensing to non-contact manipulation of small objects and... [more] | US2020-77 pp.1-6 |
| EA, US, SP, SIP, IPSJ-SLP [detail] | 2021-03-03 14:05 |
Online | Online | [Poster Presentation]
A study of loudspeaker design for measuring near-field head-related transfer functions Atsuro Ito, Kentaro Matsui, Shu Kitajima (NHK) EA2020-67 SIP2020-98 SP2020-32 |
Head-related transfer functions (HRTFs) are acoustic transfer functions from a point source placed at arbitrary position... [more] | EA2020-67 SIP2020-98 SP2020-32 pp.45-50 |
| US | 2021-02-22 13:00 |
Online | Online | Development of truncated cone shaped reflective plate type aerial ultrasonic source using planar reflective plate Shinnosuke Uchiyama, Takuya Asami, Hikaru Miura (Nihon Univ.) US2020-66 |
The technology which delivers the powerful aerial sound wave with the sharp directivity to the long distance is required... [more] | US2020-66 pp.1-4 |
| US | 2021-02-22 13:25 |
Online | Online | Sound Emission Characteristics of Compact Circular Vibrating Plate Type Ultrasonic Source with an Arched Strut Hiroki Monzen, Takuya Asami, Hikaru Miura (Nihon Univ.) US2020-67 |
Since aerial ultrasonic sensors are required to be small, it is difficult to generate powerful sound waves. In this stud... [more] | US2020-67 pp.5-9 |
| US | 2021-01-29 16:50 |
Online | Online | Proposal of method of reducing harmonic distortion for parametric loudspeakerby signal addition and its distance dependence Shumpei Harada, Hideyuki Nomura (UEC) US2020-64 |
Parametric loudspeakers are super-directional sound source with sharp directivity by utilizing the nonlinear interaction... [more] | US2020-64 pp.38-43 |
| HCGSYMPO (2nd) |
2020-12-15 - 2020-12-17 |
Online | Online | Development of Ubiquitous Environment Consist of On-Demand Pinpoint Audio System for Persons with Visually Impaired Noko Kuratomo, Haruna Miyakawa, Ryoma Suizu (Univ. Tsukuba), Soh Masuko (Rakuten Inc./Univ.Tsukuba), Toshimasa Yamanaka, Keiichi Zempo (Univ. Tsukuba) |
This research intend to develop a ubiquitous environment using hearing, in which the information sound is obtained whene... [more] | |
| WIT, SP, IPSJ-SLP [detail] | 2020-10-22 16:40 |
Online | Online | A Speaker Recognition System for Persons Having Hearing Difficulty Shin-ichi Nakamura, Kazuhisa Oba SP2020-15 WIT2020-16 |
Deaf people get various information by watching the face of person one is talking to. The information includes the fact ... [more] | SP2020-15 WIT2020-16 pp.39-42 |
| SIS, ITE-BCT | 2020-10-01 14:30 |
Online | Online | A Study of Multipath Error Reduction in Underwater Acoustic Localization Momoka Tsuruhara, Keisaku Takada, Shingo Yoshizawa (Kitami Inst. of Tech.) SIS2020-17 |
Underwater acoustic localization is used to know underwater positions in remotely operated vehicles (ROVs) and autonomou... [more] | SIS2020-17 pp.40-43 |
| SIS, ITE-BCT | 2020-10-01 14:50 |
Online | Online | Experimental Evaluation of Transmit Beamforming Using Retrodirective System in Underwater Acoustic Communication Aoi Nagano, Shingo Yoshizawa (Kitami Inst. Tech.) SIS2020-18 |
Beamforming is a technology that concentrates wave energy in a specific direction by using an element array. It enables ... [more] | SIS2020-18 pp.44-47 |
| EA, ASJ-H | 2020-08-07 13:25 |
Online | Online | Suppression of multiple noises with different directions of arrival using instantaneous spectrum subtraction Koki Takenaka, Kenji Ozawa (Grad School, Univ. of Yamanashi) EA2020-15 |
Studies on noise suppression using a microphone array and neural networks (NN) have been conducted. In this study, the o... [more] | EA2020-15 pp.9-14 |
| SP, EA, SIP | 2020-03-02 13:00 |
Okinawa | Okinawa Industry Support Center (Cancelled but technical report was issued) |
[Poster Presentation]
Study on Error factors and improvement method in low frequency band on MUSIC sound source direction estimation Kazuki Yuasa, Yutaka Kaneda (Tokyo Denki Univ) EA2019-115 SIP2019-117 SP2019-64 |
We improved the sound source direction estimation performance in a room by using the MUSIC method with peak hold (PH) pr... [more] | EA2019-115 SIP2019-117 SP2019-64 pp.83-88 |
| SP, EA, SIP | 2020-03-03 09:00 |
Okinawa | Okinawa Industry Support Center (Cancelled but technical report was issued) |
[Poster Presentation]
Basic Examination on Omni-Directional Sound Source Using Facing Ultrasonic Sensor Arrays Kyoka Okamoto, Kan Okubo (TMU) EA2019-147 SIP2019-149 SP2019-96 |
Omnidirectional sound sources have been used for various purposes and have been studied for a long time. Ultrasonic sens... [more] | EA2019-147 SIP2019-149 SP2019-96 pp.267-271 |
| EA, US (Joint) |
2020-01-22 10:30 |
Kyoto | Doshisha Univ. | [Poster Presentation]
Development of circular transverse vibrating plate of aerial ultrasonic sound source connected complex reflective plate Shinnosuke Uchiyama, Takumi Kobayashi, Takuya Asami, Hikaru Miura (Nihon Univ.) US2019-75 EA2019-88 |
The technology which delivers powerful aerial sound wave with sharp directivity to the long distance is required. The au... [more] | US2019-75 EA2019-88 pp.29-33 |
| EA, US (Joint) |
2020-01-22 10:30 |
Kyoto | Doshisha Univ. | [Poster Presentation]
Characteristics of a small circular vibrating plate type aerial ultrasonic source with filleted a strut Hiroki Monzen, Takuya Asami, Hikaru Miura (Nihon Univ.) US2019-76 EA2019-89 |
Ultrasonic sound source using a circular transverse vibrating plate is easy to radiate strong ultrasonic wave into the a... [more] | US2019-76 EA2019-89 pp.35-39 |
| EA, US (Joint) |
2020-01-23 13:35 |
Kyoto | Doshisha Univ. | Focal point evaluation of focused ultrasonic probe and focus position moving by edge wave Yuusuke Tanaka, Akira Abe, Yukio Ogura (Japan Probe) US2019-97 |
In the focused ultrasound probe, a phenomenon occurs in which the focal point is closer to the design value. This phenom... [more] | US2019-97 pp.149-154 |
| EA, ASJ-H | 2019-10-28 14:50 |
Tokyo | NHK Science&Technology Research Lab. | Considerations of microphone position for estimation of sound source direction using two-channel microphones Hiroaki Takeuchi, Takahiro Yoshida, Seiichiro Hangai (TUS) EA2019-42 |
Persons recognize conditions of their frontal surroundings of their eyes. In contrast, they recognize their behind condi... [more] | EA2019-42 pp.37-42 |
| EA, ASJ-H, ASJ-AA | 2019-07-16 13:30 |
Hokkaido | SAPPORO COMMUNITY PLAZA | [Invited Talk]
A study of use of a hyper directional speaker in Yezo sika deer-vehicle collision prevention by sound Hiroki Matsuzaki, Hirofumi Sanada, Naofumi Wada (HUS) EA2019-6 |
Experiments to prevent deer-vehicle collision by sounds from speakers or whistles have been attempted. Many products hav... [more] | EA2019-6 pp.23-28 |
| EA, ASJ-H, ASJ-AA | 2019-07-17 11:25 |
Hokkaido | SAPPORO COMMUNITY PLAZA | Directivity synthesis using multipole sources based on higher spherical harmonic expansion
-- application to FDTD method -- Daichi Sakamoto, Takao Tsuchiya (Doshisha Univ.) EA2019-14 |
In this paper, a method to obtain arbitrary directivity patterns by FDTD method is considered, focusing on the directivi... [more] | EA2019-14 pp.71-76 |
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