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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EA, EMM, ASJ-H | 2022-11-21 10:00 |
Online | Online | [Poster Presentation]
Sound image localization using two parametric loudspeakers and HRTF Satoshi Homma, Takeru Yamamoto, Kentarou Todoroki, Kazuki Sakurai, Shigeaki Aoki, Suehiro Simauti (KIT)  EA2022-42 EMM2022-42 |
Parametric loudspeakers have sharp directivity characteristics. In recent years, studies have been conducted on the use ... [more] | EA2022-42 EMM2022-42 pp.1-6 |
| EA, ASJ-H | 2021-07-15 11:20 |
Online | Online | Beam Control Based on Multi-phased Array for Parametric Array Loudspeaker Yuting Geng, Haonan Wang (Ritsumeikan Univ.), Masato Nakayama (Osaka Sangyo Univ.), Takanobu Nishiura (Ritsumeikan Univ.) EA2021-5 |
Parametric array loudspeaker (PAL) can achieve a super directivity utilizing the straightness of ultrasounds. How- ever,... [more] | EA2021-5 pp.24-29 |
| 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 |
| EA | 2020-12-14 13:25 |
Online | Online | Parametric Loudspeaker Steering System Using Output Pointing Interface Shota Kinjo, Shinya Fujiwara, Toyota Fujioka, Yoshifumi Nagata (Iwate Univ.) EA2020-53 |
We have developed parametric loudspeaker drive system with interface to indicate irradiation point of the speaker explic... [more] | EA2020-53 pp.45-49 |
| EA, EMM | 2019-11-22 15:30 |
Ishikawa | Kanazawa Institute of Technology | [Poster Presentation]
Study on front, back, left and right sound localization by arrangement of two parametric loudspeakers in vertical region Takato Fukuda, Takaki Furuta, Shigeaki Aoki, Suehiro Shimauchi (KIT) EA2019-56 EMM2019-84 |
Sound localization using two parametric loudspeakers with Head-related transfer functions (HRTFs) are affected by the az... [more] | EA2019-56 EMM2019-84 pp.19-22 |
| SIP, EA, SP, MI (Joint) [detail] |
2018-03-20 09:00 |
Okinawa | [Poster Presentation]
A study on suitable modulation parameters for spectral peak noise reduction based on frequency modulated carrier in parametric loudspeaker Kairi Mori, Takahiro Fukumori, Masato Nakayama, Takanobu Nishiura (Ritsumeikan Univ.) EA2017-151 SIP2017-160 SP2017-134 |
In the conventional modulation method using a parametric loudspeaker, a resonance frequency of an ultrasonic element is ... [more] | EA2017-151 SIP2017-160 SP2017-134 pp.275-276 |
|
| US, EA (Joint) |
2018-01-23 13:00 |
Osaka | [Poster Presentation]
A study of relation between characteristics of sound field and localization of parametric sound Shuto Hoshi, Hideyuki Nomura (UEC) US2017-90 |
In this report, the relation between the sound field and sound localization of parametric and dynamic loudspeakers are c... [more] | US2017-90 pp.45-49 |
|
| EA, ASJ-H | 2017-12-01 15:20 |
Overseas | University of Auckland (New Zealand) | Range Control of Maximum Demodulation Distance in Parametric Loudspeaker Using Flexible Acoustic-lens Kirara Ariyoshi, Takahiro Fukumori, Masato Nakayama, Takanobu Nishiura (Ritsumeikan Univ.) EA2017-79 |
In this paper, we propose the control method of the maximum demodulation distance in the parametric loudspeaker using fl... [more] | EA2017-79 pp.109-114 |
| EA, ASJ-H | 2017-08-10 14:00 |
Miyagi | Tohoku Univ., R. I. E. C. | Evaluation on Performance of Spatial Sound-image Projection on Acoustic Hologram with Multiple Parametric Loudspeakers Array Yoshinori Ogami, Takahiro Fukumori, Masato Nakayama, Takanobu Nishiura (Ritsumeikan Univ.) EA2017-40 |
A parametric loudspeaker can transmit an audible sound to a particular area called "audio spot". By utilizing the parame... [more] | EA2017-40 pp.79-84 |
| EA, ASJ-H | 2017-08-10 14:25 |
Miyagi | Tohoku Univ., R. I. E. C. | A Study on Sound-quality Improvement Based on Multiplexed Double Sideband Modulation in Parametric Loudspeaker Yusei Nakano, Takahiro Fukumori, Masato Nakayama, Takanobu Nishiura (Ritsumeikan Univ.) EA2017-41 |
A parametric loudspeaker can reproduce an audible sound to a particular area. To reproduce an audible sound, the paramet... [more] | EA2017-41 pp.85-90 |
| US | 2017-05-22 14:20 |
Tokyo | A Study on Parametric Loudspeaker with Random Element Arrangement Shota Kinjo, Yoshifumi Nagata, Toyota Fujioka, Masato Abe (Iwate Univ.) US2017-16 |
In order to suppress grating lobe in directivity pattern of parametric loudspeaker with regular transducer arrangement, ... [more] | US2017-16 pp.13-18 |
|
| VLD, CAS, MSS, SIP | 2016-06-17 14:20 |
Aomori | Hirosaki Shiritsu Kanko-kan | Study on Feedforward ANC system with Virtual sensing technique Shoma Edamoto, Chuang Shi, Yosinobu Kajikawa (Kansai Univ.) CAS2016-29 VLD2016-35 SIP2016-63 MSS2016-29 |
Active noise control (ANC) utilizes the superposition property of acoustic waves. When an anti-noise wave is elegantly g... [more] | CAS2016-29 VLD2016-35 SIP2016-63 MSS2016-29 pp.157-160 |
| EA, SP, SIP | 2016-03-28 13:15 |
Oita | Beppu International Convention Center B-ConPlaza | [Poster Presentation]
Evaluation on Variable Radiation Characteristics with Flexible Parametric Loudspeaker Shinya Komori, Daisuke Ikefuji, Takahiro Fukumori, Masato Nakayama, Takanobu Nishiura (Ritsumeikan Univ.) EA2015-98 SIP2015-147 SP2015-126 |
A parametric loudspeaker has sharper radiation characteristics, and it can form a spatial narrow audible area which a pa... [more] | EA2015-98 SIP2015-147 SP2015-126 pp.183-188 |
| EA, SP, SIP | 2016-03-29 09:00 |
Oita | Beppu International Convention Center B-ConPlaza | [Poster Presentation]
A Study on Sound Field Analysis for Parametric Array Loudspeaker Hiroaki Bessho, Chuang Shi, Yoshinobu Kajikawa (Kansai Univ.) EA2015-109 SIP2015-158 SP2015-137 |
In this paper, we describe the sound field analysis for parametric array loudspeaker. Recently, with the spread of param... [more] | EA2015-109 SIP2015-158 SP2015-137 pp.237-241 |
| US | 2016-02-29 10:30 |
Tokyo | Instiute of Industrial Science, the University of Tokyo | Interaural level and time differences by parametric loudspeaker
-- Modeling of the human head by a rigid sphere -- Kosuke Taguchi, Hideyuki Nomura, Tomoo Kamakura (UEC) US2015-108 |
Based on the Khohklov-Zabolotskaya-Kuznetsov nonlinear equation and successive approximation, parametric sounds scattere... [more] | US2015-108 pp.1-6 |
| US, EA (Joint) |
2016-01-28 16:55 |
Osaka | Kansai University, Centenary Memorial Hall | Prediction of audio sound generated by parametric speaker Cho Sho, Kamakura Tomoo, Nomura Hideyuki (UEC) US2015-91 EA2015-56 |
When a parametric loudspeaker self-demodulates audio signals, nonlinear distortions such as higher harmonics are genera... [more] |
US2015-91 EA2015-56 pp.43-48(US), pp.7-12(EA) |
| US, EA (Joint) |
2016-01-28 17:20 |
Osaka | Kansai University, Centenary Memorial Hall | Development of Card Type Parametric Loudspeaker and Its Evaluation Ryuto Nagashima, Hideyuki Nomura, Tomoo Kamakura (UEC Tokyo) US2015-92 EA2015-57 |
This report provides acoustic and electric performances of a parametric loudspeaker with an ultrasonic emitter of 2.5 mm... [more] | US2015-92 EA2015-57 pp.49-54(US), pp.13-18(EA) |
| EA | 2015-12-12 09:00 |
Ishikawa | Kanazawa Univ., Satellite Plaza | [Poster Presentation]
Sound image control of front, back, left and right directions using parametric loudspeakers Kouki Ito, Akina Kiriyama, Fujiwara Itaru, Aoki Shigeaki (KIT) EA2015-51 |
A parametric loudspeaker has very sharp directional characteristics. In recent years, acoustic system with presence has ... [more] | EA2015-51 pp.55-58 |
| MSS, CAS, SIP, VLD | 2015-06-18 12:00 |
Hokkaido | Otaru University of Commerce | Compensation of Nonlinear Distortions for Parametric Array Loudspeakers
-- In the case of changing the amplitude of input signal -- Yuta Hatano, Satoshi Kinoshita, Chuang Shi, Yoshinobu Kajikawa (Kansai Univ.) CAS2015-19 VLD2015-26 SIP2015-50 MSS2015-19 |
Reproduction sound of the parametric array loudspeaker (PAL) contains many nonlinear distortions. Nonlinear distortions... [more] |
CAS2015-19 VLD2015-26 SIP2015-50 MSS2015-19 pp.99-102 |
| SIP, EA, SP | 2015-03-02 14:45 |
Okinawa | Evaluation of Modified Amplitude Modulation Methods in the Parametric Array Loudspeaker Chuang Shi, Yoshinobu Kajikawa (Kansai Univ.) EA2014-83 SIP2014-124 SP2014-146 |
The parametric array loudspeaker is a directional loudspeaker making use of the nonlinearity of air to create a narrow s... [more] | EA2014-83 SIP2014-124 SP2014-146 pp.67-70 |
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