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| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EA | 2019-12-13 11:20 |
Fukuoka | Kyushu Inst. Tech. | Listening difficulty rating prediction model using STOI-type objective intelligibility index for outdoor public address speech Keita Noguchi, Yosuke Kobayashi, Jay Kishigami (Muroran-IT), Kiyohiro Kurisu (TOA)  EA2019-76 |
An outdoor public address (PA) system is indispensable for emergency broadcasting during the occurrence of disasters, an... [more] | EA2019-76 pp.71-78 |
| EA, ASJ-H | 2018-08-24 14:15 |
Miyagi | Tohoku Gakuin Univ. | A basic study on discrimination of speech information broadcasted in different languages at the same time Hayato Sato, Masayuki Morimoto (Kobe Univ.), Kiyohiro Kurisu (TOA) |
In multilingual guidance broadcasting, it is common method to repeat the same content in different languages. However, t... [more] | EA2018-48 pp.127-132 |
| EA, ASJ-H | 2018-08-24 14:40 |
Miyagi | Tohoku Gakuin Univ. | A basic study on environment information feedback for outdoor PA systems Yosuke kobayashi, Keita Noguchi (MIT), Kiyohiro Kurisu (TOA) |
In this research, we propose the feedback of the estimated listening difficulty rating (LDR) values from any single-boar... [more] | EA2018-49 pp.133-138 |
| EA | 2014-06-27 13:00 |
Mie | Mie Univ. | Loudspeaker systems for low frequency radiation by rotational type piezoelectric ultrasonic actuators Daichi Nagaoka (Tokyo Univ. of Tech.), Juro Ohga (Shibaura Inst. of Tech./MIX Corp.), Hirokazu Negishi (MIX Corp.), Ikuo Oohira, Kazuaki Maeda (TOA), Kunio Oishi (Tokyo Univ. of Tech.) EA2014-5 |
Conventional electrodynamic loudspeakers actuated by a permanent magnet and a coil seem almighty．However，they include fu... [more] | EA2014-5 pp.1-6 |
| SP | 2011-06-24 14:45 |
Aichi | Nagoya Univ. | Study on speech production that is suitable for speech announcements in noisy/reverberant environment Nao Hodoshima (Tokai Univ.), Takayuki Arai (Sophia Univ.), Kiyohiro Kurisu (TOA Corp.) SP2011-40 |
Speech uttered in noise is generally more intelligible than speech produced in quiet when they are heard in noise, and s... [more] | SP2011-40 pp.57-61 |
| EA | 2010-10-22 13:25 |
Ishikawa | Kanazawa-city Omi-cho Koryu Plaza | Improvement of driving contractions for loudspeakers by ultrasonic motors Juro Ohga (Shibaura IT/MIX Lab.), Hirokazu Negishi (MIX Lab.), Ryousuke Suzuki, Gen Takeda, Hiroki Saito, Tatsuya Egawa (Chiba IT), Ikuo Oohira (I.B.), Kazuaki Maeda (TOA), Hajime Kubota (Chiba IT) EA2010-77 |
The project team of authors are studying direct-radiator-loudspeakers by using two sorts of piezoelectric ultrasonic mot... [more] | EA2010-77 pp.115-120 |
| EA, US (Joint) |
2010-01-25 13:25 |
Osaka | Sound Quality Customization System for Loudspeaker Listening Shinpei Shimizu, Yoshinobu Kajikawa (Kansai Univ.), Kiyohiro Kurisu (TOA Corp.) EA2009-100 |
This paper proposes a sound quality customization method based on an Interactive Genetic Algorithm (IGA). A user who is ... [more] | EA2009-100 pp.7-12 |
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| SP | 2009-11-26 17:30 |
Shizuoka | Shizuoka University | Speaker variabilities of speech in noise and reverberation Nao Hodoshima, Takayuki Arai (Sophia Univ.), Kiyohiro Kurisu (TOA Corp.) SP2009-69 |
Ambient noise and reverberation change our speech production. This paper is a report of the acoustical analyses of sente... [more] | SP2009-69 pp.43-48 |
| EA, SIP | 2007-05-25 14:00 |
Osaka | Osaka Univ. | Direct radiator loudspeaker by continuous revolution of ultrasonic motor Yuta Ohnuma, Yusuke Iwaki, Juro Ohga (Shibaura IT), Hirokazu Negishi (Essex Univ.), Toshio Sashida (Shinsei Co.), Kazuaki Maeda (TOA) EA2007-24 SIP2007-28 |
The loudspeaker using continuous revolution of an ultrasonic motor, proposed by the authors, is suitable to radiate soun... [more] | EA2007-24 SIP2007-28 pp.39-44 |
| EA | 2005-07-22 15:00 |
Hyogo | Public address system for the flight information system in a huge airport
-- A case report: Central Japan International Airport (Centrair) -- Nobuyuki Yabushita, Hisao Kumagai (TOA Corp.), Yutaka Miyashita (CJIAC), Kiyohiro Kurisu (TOA Corp.) |
[more] | EA2005-28 pp.19-24 |
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| EA | 2005-07-23 11:05 |
Hyogo | Listening test of MPEG spatial audio at Tokyo Polytechnic University Itaru Kaneko (TPU), Kazuaki Maeda, Satoshi Miyata (TOA), Koji Kobayashi (TPU) |
In this paper we will report on a listening test of MPEG spatial audio coding, which took place at Tokyo Polytechnic Uni... [more] | EA2005-32 pp.13-17 |
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| EA | 2005-01-27 15:20 |
Osaka | Kansai Univ. | Experimental verification of the proposed microphone array system Tomohiro Amitani (H.I.T.), Satoshi Miyata, Kazuaki Maeda (TOA), Kensaku Fujii (H.I.T.), Yoshio Itoh (Tottori Univ.) |
This paper proposes a new microphone array characterized by a linear prediction error filter(LPEF) inserted previous to... [more] |
EA2004-121 pp.25-30 |
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