Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
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 |
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 |
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 |
2016-03-29 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 |
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 |
SIP, EA, SP |
2015-03-03 10:45 |
Okinawa |
|
[Poster Presentation]
A Study on Multi-channel Active Noise Control System Using Parametric Array Loudspeakers for Factory Noise Kihiro Tanaka, Chuang Shi, Yoshinobu Kajikawa (Kansai Univ.) EA2014-117 SIP2014-158 SP2014-180 |
Acoustic noise problems are becoming increasingly serious in the process of industrialization. In particular, an effecti... [more] |
EA2014-117 SIP2014-158 SP2014-180 pp.249-254 |
SIP, EA, SP |
2015-03-03 10:45 |
Okinawa |
|
[Poster Presentation]
Compensation of Nonlinear Distortions for Parametric Array Loudspeakers
-- Reduction of Computational Complexity of Volterra Filters and the Compensation Effects -- Yuta Hatano, Satoshi Kinoshita, Chuang Shi, Yoshinobu Kajikawa (Kansai Univ.) EA2014-119 SIP2014-160 SP2014-182 |
Reproduction sound of the parametric array loudspeaker (PAL) contains many nonlinear distortions. Therefore we proposed ... [more] |
EA2014-119 SIP2014-160 SP2014-182 pp.261-266 |
CAS, SIP, MSS, VLD, SIS [detail] |
2014-07-11 17:50 |
Hokkaido |
Hokkaido University |
A Study on Multi-channel Active Noise Control System Using Parametric Array Loudspeakers Kihiro Tanaka, Chuang Shi, Yoshinobu Kajikawa (Kansai Univ.) CAS2014-50 VLD2014-59 SIP2014-71 MSS2014-50 SIS2014-50 |
Acoustic noise problems are becoming increasingly serious in the process of industrialization. In particular, an effecti... [more] |
CAS2014-50 VLD2014-59 SIP2014-71 MSS2014-50 SIS2014-50 pp.271-275 |
EA |
2014-06-27 14:00 |
Mie |
Mie Univ. |
A Suggestion on Method to Reproduce Moving Sound Image with Curved-Type Parametric Loudspeaker Daisuke Ikefuji, Masato Nakayama, Takanobu Nishiura, Yoichi Yamashita (Ritsumeikan Univ.) EA2014-7 |
We have previously proposed the system with parametric loudspeakers for 3-dimensional sound field reproduction.
It can ... [more] |
EA2014-7 pp.13-18 |
CAS, CS, SIP |
2012-03-09 10:10 |
Niigata |
The University of Niigata |
Active Noise Control System for Factory Noise Hirofumi Tetsu, Yoshinobu Kajikawa (Kansai Univ.) CAS2011-152 SIP2011-172 CS2011-144 |
Manufacturing equipment generates a serious noise (over 90 dB) in the factory. Hence, workers are exposed to the industr... [more] |
CAS2011-152 SIP2011-172 CS2011-144 pp.251-256 |
US |
2008-11-27 14:45 |
Shizuoka |
|
Phase Inversion Driving for Reducing Carrier Ultrasound of Parametric Loudspeaker Satoshi Kikuchi, Hidetoshi Aiko, Tomoo Kamakura, Hideyuki Nomura, Shinichi Sakai (The University of Electro-Communications) US2008-63 |
An ultrasound source with a simple configuration is considered as a
theoretical model.
The source with a circular aper... [more] |
US2008-63 pp.13-16 |
EA, US (Joint) |
2006-01-27 13:00 |
Kyoto |
|
[Invited Talk]
Theory and application for parametric speaker Tomoo Kamakura (Univ.), Shinichi Sakai (Mitsubishi) |
A highly directional loudspeaker like a spotlight is realized by the self-demodulation of an intense and amplitude-modul... [more] |
US2005-116 EA2005-100 pp.13-18(US), pp.25-30(EA) |
EA |
2004-12-10 10:20 |
Tokyo |
|
Acoustic characteristics of mobile parametric loudspeaker prototype Yusuke Nakashima, Takeshi Yoshimura, Tomoyuki Ohya (NTT DoCoMo) |
Acoustic characteristics of a mobile-phone-size super-directional loudspeaker prototype are reported. The prototype is e... [more] |
EA2004-105 pp.13-18 |