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Committee Date Time Place Paper Title / Authors Abstract Paper #
EA, EMM, ASJ-H 2022-11-21
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
EA, ASJ-H 2021-07-15
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
US 2021-01-29
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
EA 2020-12-14
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
EA, EMM 2019-11-22
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
(Joint) [detail]
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
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
EA, ASJ-H 2017-12-01
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
EA, ASJ-H 2017-08-10
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
EA, ASJ-H 2017-08-10
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
US 2017-05-22
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
VLD, CAS, MSS, SIP 2016-06-17
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
EA, SP, SIP 2016-03-28
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
EA, SP, SIP 2016-03-29
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
US 2016-02-29
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
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)
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
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
MSS, CAS, SIP, VLD 2015-06-18
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
SIP, EA, SP 2015-03-02
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
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