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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EA | 2022-05-13 10:30 |
Online | Online | An Experimental Study on Electrical Noise Caused by Mechanical Vibration of Audio Equipment
-- An Effect of Vibration on an Amplifier -- Masahide Kita, Kiminobu Nishimura (Kindai Univ.)  EA2022-1 |
In previous study, we could find out audio insulator has the effect of reducing vibration of audio equipment. But it is ... [more] | EA2022-1 pp.1-6 |
| EA, SIP, SP, IPSJ-SLP [detail] | 2022-03-01 09:20 |
Okinawa | (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Amplitude modulation on high frequency noise induced by non-stationary audio system and its effect in audible range Masahide Kita, Shinichi Miyamoto, Yukiyasu Okamura, Kiminobu Nishimura (Kindai Univ.) EA2021-66 SIP2021-93 SP2021-51 |
In a linear-stationary audio, as frequency components of signal are independent each other, an effect of noise in supers... [more] | EA2021-66 SIP2021-93 SP2021-51 pp.15-20 |
| EMM, EA, ASJ-H | 2021-11-15 13:30 |
Online | Online | [Poster Presentation]
Playback Sound Degradation of Digital Audio Equipment Caused by High Frequency Electromagnetic Noise Applied via USB Yuki Matsuo, Takahiro Yoshida (Tokyo Univ. of Science) EA2021-41 EMM2021-68 |
In recent years, PC (personal computer) audio has become popular and the sound quality of digital audio equipment has be... [more] | EA2021-41 EMM2021-68 pp.80-84 |
| EA | 2019-12-13 14:50 |
Fukuoka | Kyushu Inst. Tech. | Effects of audio insulator having horn shape on vibration transmission characteristics Masahide Kita, Kiminobu Nishimura (Kindai) EA2019-81 |
Audio insulator is used widely among user as method to change the sound quality of reproduced stereophonic sound. In pre... [more] | EA2019-81 pp.105-110 |
| EA | 2018-12-13 15:35 |
Fukuoka | kyushu Univ. | Theoretical analysis on vibration transmission characteristics of audio-base using four terminal constants Masahide Kita, Kiminobu Nishimura (Kindai Univ.) EA2018-86 |
Audio-bases are used widely among audio users to change reproduced sound by just putting audio equipment on them, but th... [more] | EA2018-86 pp.33-38 |
| EA, EMM | 2016-11-18 13:15 |
Oita | Compal Hall (Oita) | Theoretical analysis of vibration transmission characteristics of audio base having rotating exponential horn and experimental result Masahide Kita, Kiminobu Nishimura, Kenji Manpuku (Kindai Univ.) EA2016-62 EMM2016-68 |
Many kinds of audio-bases are used to better the sound quality of stereophonic equipments, but their effects seem not al... [more] | EA2016-62 EMM2016-68 pp.85-90 |
| EMCJ, IEE-EMC | 2015-12-18 11:20 |
Aichi | TOYOTA CENTRAL R&D LABS., INC. | Effect of AC Coupling of Ground Connection between Audio Equipment on Propagation Noise Suppression and Inter-Modulation Distortion Reduction Shuhei Tagaya, Takahiro Yoshida (Tokyo Univ. of Science) EMCJ2015-93 |
As we consider that the propagation noise on the ground line of interconnection between audio equipment affect their pla... [more] | EMCJ2015-93 pp.19-23 |
| NS, CS, IN (Joint) |
2013-09-12 15:55 |
Miyagi | Tohoku Univ. Research Institute of Electrical Communication 2gokan | [Invited Talk]
A Development Trend of Super Hi-Vision Junichiro Kawamoto (NHK) NS2013-78 IN2013-65 CS2013-31 |
Super Hi-Vision is a next-generation television broadcasting system composed of ultra-high-definition video of 33 millio... [more] | NS2013-78 IN2013-65 CS2013-31 pp.29-34(NS), pp.31-36(IN), pp.7-12(CS) |
| US, EA (Joint) |
2013-01-25 13:10 |
Kyoto | Kambaikan, Doshisha Univ. | [Invited Talk]
Recent Advances on Active Noise Control: Open Issues and Innovative Applications Yoshinobu Kajikawa (Kansai Univ.) US2012-106 EA2012-137 |
The problem of acoustic noise is becoming increasingly serious with the growing use of industrial and medical equipment,... [more] | US2012-106 EA2012-137 pp.101-106(US), pp.103-108(EA) |
| EA | 2011-08-10 11:15 |
Miyagi | RIEC, Tohoku Univ. | A study on influence of auditory information on distance perception via two-dimensional display Yuri Sasaki, Koji Abe, Shouichi Takane, Sojun Sato, Kanji Watanabe (Akita Pref Univ) EA2011-61 |
A spatial impression perceived via audio-visual equipments is dependent on the presentation properties and conditions fo... [more] | EA2011-61 pp.67-72 |
| EA, US (Joint) |
2011-01-21 11:30 |
Kyoto | Doshisha Univ. | A study on time domain audio signal analysis for measurement of nuance of sound Atsushi Hata, Hiroki Koyama, Takahiro Yoshida, Noriaki Masui (TUS) US2010-106 EA2010-119 |
Our goal is to develop measurement and analysis method of perceptible difference of sound quality and nuance. In this st... [more] | US2010-106 EA2010-119 pp.83-88 |
| EA | 2010-11-18 16:30 |
Fukuoka | Kyushu Univ. | Development of exponentially shaped insulator for audio equipment and its effect Kiminobu Nishimura (Kinki Univ.), Ryuhkei Ina (KRYNA & PLUTON) EA2010-90 |
In this study, we propose a new type of insulator formed exponential horn shape to reduce more effectively the inevitabl... [more] | EA2010-90 pp.37-42 |
| IN | 2009-01-23 11:15 |
Aichi | Nagoya Institute of Technology | Telemedical and Welfare Network using Digital AV System Yasumitsu Miyazaki, Yoshio Nomura (Aichi Univ. of Tech.) IN2008-116 |
Digital AV equipments, particularly, network consumer electronics and digital consumer electronics have been very rapidl... [more] | IN2008-116 pp.45-50 |
| ET | 2008-12-13 15:40 |
Miyazaki | An Attitude Survey for Elementary and Junior High School Teachers in Terms of Their Intentions Regarding the Use of ICT Satoru Fujitani (Mejiro Univ.), Hiroshi Hotta (Sonoda Women's Univ.), Tadashi Inagaki (Tohoku Gakuin Univ.), Kouki Sato (Nagoya Univ.), Isoo Iguchi (Jumonji Univ.), Yoshinobu Sato, Tomoyuki Yamada (Uchidayoko Educational Resources Information Center) ET2008-71 |
The authors are conducing a research project in a part of the initiative promotion program on digitization of education ... [more] | ET2008-71 pp.77-80 |
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| WIT, TL, SP | 2008-01-24 13:25 |
Shimane | Shimane Univ. | Investigation of the Audio Balance Control based on the Loudness Level Tomoyasu Komori, Setu Komiyama, Hiroya Dan, Tohru Takagi, Kiyotake Shoda (NHK), Koichi Kurozumi (NHK-ES), Hideaki Hoshi, Kazuhiro Murakawa (Yamaki) TL2007-61 SP2007-156 WIT2007-61 |
We conducted the subjective evaluation test of the TV program audio balance between narration and BGM(Back Ground Music)... [more] | TL2007-61 SP2007-156 WIT2007-61 pp.37-42 |
| EE, IEE-IEA | 2006-05-19 15:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | The switching power supply equipment equipped with many characteristics suitable for audio.
-- Ultra low noise, high-speed response, large output current does not produce magnetic saturation, low ripple current, and high efficiency, etc. -- Shin Nakagawa (FIDELIX), Tamotsu Ninomiya (Kyushu University) EE2006-9 |
When the switched-mode power supply is applied to an audio amplifier, the low-noise characteristic is required as the mo... [more] | EE2006-9 pp.49-54 |
| IE, SIP, ICD, IPSJ-SLDM | 2004-10-22 14:15 |
Yamagata | A class-D amplifier using a spectrum shaping technique Akira Yasuda (Hosei Univ.), Takashi Kimura, Koichiro Ochiai, Toshihiko Hamasaki (TI Japan) |
In this paper, we propose a new class-D amplifier with a lower-frequency reference signal by using a spectrum shap-ing t... [more] | SIP2004-98 ICD2004-130 IE2004-74 pp.55-60 |
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