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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 14 of 14  /   
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
 Results 1 - 14 of 14  /   
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