| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
| EA |
2005-10-20
12:30 |
Ishikawa |
|
A Wide-Band Design of Uni-Directional Array-Microphone with Specified Sidelobe Size
Nobuhiro Nishigawa, Kiyoshi Nishikawa (Kanazawa Univ.) |
This paper presents a method for designing the uni-directional array microphone with the same directivity and specified ... [more] |
EA2005-49
pp.1-6 |
| EA |
2005-10-20
13:00 |
Ishikawa |
|
A Wide-Band Design of Directional Array-Speaker with Specified Sidelobe Size
Mitsuru Ohta, Kiyoshi Nishikawa (Kanazawa Univ.) |
This paper presents a method for designing directional array speakers with the same directivity and specified sidelobe s... [more] |
EA2005-50
pp.7-12 |
| EA |
2005-10-20
13:30 |
Ishikawa |
|
Measuring Thickness of the Human Subcutaneous Fat Using Ultrasonic Sensors
Hiroaki Ikukawa, Kenji Furihata (Shinshu Univ.) |
In this paper, the new signal processing that the delay time is derived from comparison received wave with expectation b... [more] |
EA2005-51
pp.13-18 |
| EA |
2005-10-20
14:15 |
Ishikawa |
|
A three-Dimensional Sound Intensity Measurement System using the Rotating and Variable Directional Microphone Methods
Shiho Nagata, Kenji Furihata (Shinshu Univ.) |
This report describes a full vector intensity probe which advances the field of sound intensity and sound source directi... [more] |
EA2005-52
pp.19-24 |
| EA |
2005-10-20
14:45 |
Ishikawa |
|
Sound Power Determination based on Minimum Measurement Data using a Three-Dimensional Sound Intensity Measurement System
-- Theoretical discussion --
Shiho Nagata, Kenji Furihata (Shinshu Univ.) |
The sound power level can be calculated from the peak sound intensity level, the distance from the observation point to ... [more] |
EA2005-53
pp.25-30 |
| EA |
2005-10-20
15:15 |
Ishikawa |
|
Sound Power Determination based on Minimum Measurement Data using a Three-Dimensional Sound Intensity Measurement System
-- Experimental discussion --
Shiho Nagata, Kenji Furihata (Shinshu Univ.) |
In our previous paper, for the sound power determination based on minimum measurement data, it is discussed whether the ... [more] |
EA2005-54
pp.31-36 |
| EA |
2005-10-20
15:45 |
Ishikawa |
|
Audio Quality Rating of Speaker-System by Digital-Filter Compensation
Ozora Furukawa (Shinshu Univ.), Kenji Furihata (信大) |
In this report, first, the combination of two small speakers (200Hz to 12.5kHz) and sub woofer (63Hz to 200Hz) system, a... [more] |
EA2005-55
pp.37-42 |
| EA |
2005-10-20
16:15 |
Ishikawa |
|
Verification of Simultaneous Equations Method by an Experimental system
Kensaku Fujii, Kohtaro Yamaguchi (Himeji Tech.), Yusuke Fujita (Catsystem Co.), Mitsuji Muneyasu (Kansai Univ.) |
The simultaneous equations method is proposed as one of the algorithms requiring no pre-processing such as the secondary... [more] |
EA2005-56
pp.43-48 |
| EA |
2005-10-21
09:00 |
Ishikawa |
|
Study of Measuring Method of Sensory Characteristics for Fatiguing and Recovering Check System
Masayuki Kobayashi, Shuhei Komatsu, Tomokazu Machida, Kenji Furihata (Shinshu Univ.) |
Checking fatibue in the physiology is being clarified, but it is not done in the sense except the characteristic of the ... [more] |
EA2005-57
pp.1-6 |
| EA |
2005-10-21
09:30 |
Ishikawa |
|
Possibility of an Oxygen Sensor using Piezoelectric Devices with Oxygen Permeability
Toru Ichinohe, Kenji Furihata (Shinshu Univ) |
In the last report, the possibility of an oxygen sensor using piezoelectric device was described. In this paper, the mea... [more] |
EA2005-58
pp.7-12 |
| EA |
2005-10-21
10:00 |
Ishikawa |
|
Sound Insulation with "Hachinosu kanki" - Natural Ventilation within Honeycomb Structure
Naoya Yada, Makoto Shinohara, Kenji Furihata (Shinshu Univ.) |
In this paper, the insulation efficiency for a new shape ventilation apparatus (Oriken Inc, Hachinosu Kanki) was measure... [more] |
EA2005-59
pp.13-18 |
| EA |
2005-10-21
10:30 |
Ishikawa |
|
Relationship between Acoustical Characteristics and Tone Preference of an Electric Guitar
Sota Inoue, Kenji Furihata (Shinshu Univ.) |
Electric guitars are most often made with solid bodies since they depend upon electromagnetic pickups and amplifiers to ... [more] |
EA2005-60
pp.19-24 |
| EA |
2005-10-21
11:00 |
Ishikawa |
|
A Cellular-phone Vibration Transducer and Earplug Type Earphone System Under High Ambient Noise
Naotada Kobayashi, Manabu Ito, Kenji Furihata (Shinshu Univ.) |
If very high ambient noise is present in using a cellular-phone, the clear conversation using previous system becomes im... [more] |
EA2005-61
pp.25-30 |
| EA |
2005-10-21
12:30 |
Ishikawa |
|
Radiation characteristics of closed speaker cabinet and some type baffles
Kiyoshi Sugiyama (Tokyo Poly. Univ.), Takayuki Ohno, Haruhide Hokari, Shoji Shimada (Nagaoka Univ. Tech.) |
In order to analyze the radiation characteristics of closed speaker cabinets, the infinite baffle is normally used. Thi... [more] |
EA2005-62
pp.31-36 |
| EA |
2005-10-21
13:00 |
Ishikawa |
|
A study on a perception of the speech-direction
Hiroki Takano, Haruhide Hokari, Shoji Shimada (Nagaoka Univ. of Tech.), Kiyoshi Sugiyama (Tokyo Insti. of Polytech.) |
Many studies have assessed talker sound location in
hands-free tele-conferences systems.
However, no study has examin... [more] |
EA2005-63
pp.37-42 |
| EA |
2005-10-21
13:30 |
Ishikawa |
|
Accuracy improvement in speech sound propagation measurement using logarithmic temporal manipulation
Masanori Morise, Toshio Irino, Hideki Kawahara (Wakayama Univ) |
A new procedure to improve accuracy in empirical transfer function estimation method is proposed for investigating speec... [more] |
EA2005-64
pp.43-48 |
| EA |
2005-10-21
14:15 |
Ishikawa |
|
A study on localization and audibility of informative sound for movement support
Tetsuro Saeki (Yamaguchi Univ.), Takahiro Tamesue (Nagano Col. Tec.), Shizuma Yamaguchi (Yamaguchi Univ.), Yuichi Kato (Shimane Univ) |
Informative sounds play an important role for people who have difficulty reaching their destination, such as the visuall... [more] |
EA2005-65
pp.49-54 |
| EA |
2005-10-21
14:45 |
Ishikawa |
|
Speech privacy protection using meaningless steady noise considering the spectral level form of speech
Tetsuro Saeki (Yamaguchi Univ.), Takahiro Tamesue (Nagano Col. Tec.), Shizuma Yamaguchi (Yamaguchi Univ.), Kensei Oimatsu (Japan Coast Guard Academy) |
This study focuses on achieving speech privacy using a meaningless steady masking noise. Previous study adopted a band-l... [more] |
EA2005-66
pp.55-60 |
| EA |
2005-10-21
15:15 |
Ishikawa |
|
A Focus Steering of Concentrated Directional Array-Speaker
Kiyoshi Nishikawa, Kazuya Ｎａｒａ (Kanazawa Univ.) |
[more] |
|
| EA |
2005-10-21
15:45 |
Ishikawa |
|
A Design of Uni-Directional Array-Microphone using Directional Microphone Units and Two-Dimensional FIR Filter
Yasunori Futakado, Kiyoshi Nishikawa (Kanazawa Univ.) |
This paper presents a method for designing uni-directional broadside array-microphone of all digital constitution using ... [more] |
EA2005-67
pp.61-66 |