| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
| EA |
2004-10-28
10:30 |
Niigata |
Nagaoka Univ. of Tech. |
A study on a target speech extraction during simultaneous talk
-- A recording method using two microphones for a talker --
Ryoji Miyahara, Haruhide Hokari, Shoji Shimada (Nagaoka Univ. of Tech.) |
The purpose of this study is to establish a speech extraction method for the talker's side of a hands-free teleconferenc... [more] |
EA2004-72
pp.1-6 |
| EA |
2004-10-28
11:00 |
Niigata |
Nagaoka Univ. of Tech. |
A local area sound reproduction taking the arrangements of speakers into account
Hisashi Uematsu, Yoichi Haneda, Akitoshi Kataoka (NTT) |
[more] |
EA2004-73
pp.7-12 |
| EA |
2004-10-28
11:30 |
Niigata |
Nagaoka Univ. of Tech. |
A design of derectional array speakers with specified sidelobe
Kouji Matsumoto, Kiyoshi Nishikawa (Kanazawa Univ.) |
[more] |
EA2004-74
pp.13-18 |
| EA |
2004-10-28
13:00 |
Niigata |
Nagaoka Univ. of Tech. |
Sound location in enar field by phase difference among the receiver signals
Motoatsu Miwa, Tomoyuki Matsunaga, Hideo Shibayama (S.I.T.) |
Low frequency waves generated from machine, factory and bridge cause many noise problems, and effects are in a wide area... [more] |
EA2004-75
pp.19-24 |
| EA |
2004-10-28
13:30 |
Niigata |
Nagaoka Univ. of Tech. |
Estimation of arrival direction by expantion errors of phase difference among the receiver signals
Tomoyuki Matsunaga, Motoatsu Miwa, Hideo Shibayama (S.I.T.) |
In far field the delay time of the sound wave which arrives at each microphone of the microphone array is constant.
How... [more] |
EA2004-76
pp.23-28 |
| EA |
2004-10-28
14:00 |
Niigata |
Nagaoka Univ. of Tech. |
A stady on estimating sound source direction by using two directional microphones
Yoshifumi Nagata, Makoto Horiuchi, Toyota Fujioka, Masato Abe (Iwate Univ.) |
We have already proposed a method to estimate directions of arrival(DOA) of sound sources based on weighted Wiener gain ... [more] |
EA2004-77
pp.29-34 |
| EA |
2004-10-29
09:30 |
Niigata |
Nagaoka Univ. of Tech. |
A Study of Fatigue Factors Influencing Audio-Characteristics of Ultrasound by Bone Conduction
Yuichi Sugaya, Kenji Furihata (Shinshu Univ) |
A work mistake and an accident are caused by fatigue factors. However, the mechanism of fatigue has been not solved clea... [more] |
EA2004-78
pp.1-6 |
| EA |
2004-10-29
10:00 |
Niigata |
Nagaoka Univ. of Tech. |
Human factors influencing the illusory flash effect
Takashi Ota, Kenji Furihata (Shinshu Uni) |
The illusory flash effect is one of the audio-visual interactions. In this paper, first, the daily variation of the illu... [more] |
EA2004-79
pp.7-12 |
| EA |
2004-10-29
10:30 |
Niigata |
Nagaoka Univ. of Tech. |
Development of a fatiguing and recovering check system using sensory characteristics
Masayuki Kobayashi, Atushi Kokubo, Kenji Furihata (Shinsyu Univ.) |
In this paper, a fatiguing and recovering check system using sensory characteristics is constructed and discussed. Concr... [more] |
EA2004-80
pp.13-18 |
| EA |
2004-10-29
11:00 |
Niigata |
Nagaoka Univ. of Tech. |
Analysis of noise sensitivity by the analytic hierarchy process
Kazuhiro Ogawa, Kenji Furihata (Shinshu Univ.) |
For an effective noise control, it is necessary to consider noise sensitivity. But, noise sensitivity is subjective. So,... [more] |
EA2004-81
pp.19-24 |
| EA |
2004-10-29
11:30 |
Niigata |
Nagaoka Univ. of Tech. |
Acoustical Characteristics of 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] |
EA2004-82
pp.25-30 |
| EA |
2004-10-29
13:00 |
Niigata |
Nagaoka Univ. of Tech. |
Measurement of transmission characteristics of ear canal of artificial head SAMRAI
Kiyoshi Sugiyama, Machiko Satoh (Tokyo Poly. Univ.), Daisuke Sasaki, Haruhide Hokari, Shoji Shimada (Nagaoka Univ. Tech.) |
The HRTF(Head Related Transfer Function) of an artificial head can be expressed by the product of 3 components, the soun... [more] |
EA2004-83
pp.31-36 |
| EA |
2004-10-29
13:30 |
Niigata |
Nagaoka Univ. of Tech. |
Study on differences of HRTFs between both ears for sound localization in median plane
Morishige Fujisawa, Kazunori Itoh, Yoshimichi Yonezawa, Masami Hashimoto, Hiromasa Kaneko (Shinshu Univ.) |
We study how to make the sound localization same feeling as reality in the median plane. The spatial perception using he... [more] |
EA2004-84
pp.37-42 |
| EA |
2004-10-29
14:00 |
Niigata |
Nagaoka Univ. of Tech. |
A rating system of headphones and earphones using transfer function of external auditory canal
Dai Adachi, Kenji Furihata (Shinshu Univ.) |
Now, it is used to measure frequency characteristics of headphones and earphones using 6cc and 2cc coupler. However, the... [more] |
EA2004-85
pp.43-48 |
| EA |
2004-10-29
14:30 |
Niigata |
Nagaoka Univ. of Tech. |
Rating Method of Multi-Channel Surround Systems by AHP
Ozora Furukawa (Shinshu Univ.), Kenji Furihata (Shinshu University) |
In this report, the hierarchy structure of the speaker system selection in stereo reproduction was modeled using the ana... [more] |
EA2004-86
pp.49-54 |
| EA |
2004-10-29
15:20 |
Niigata |
Nagaoka Univ. of Tech. |
Possibility of a oxygen sensor using piezoelectric effect devices
Toru Ichinohe, Kenji Furihata (Shinshu Univ.) |
There are many kinds of factors for the response of the piezoelectric device in the certain environment. Many factors, i... [more] |
EA2004-87
pp.55-60 |
| EA |
2004-10-29
15:50 |
Niigata |
Nagaoka Univ. of Tech. |
Voice Signal Communication Using a Tri-Axial Acceleration Sensor at Upper Lip
Naotada Kobayashi, Sho Matsunaga, Kenji Furihata (Shinshu Univ.) |
If very high ambient noise is present in a speaking environment, the transmission of speech using a normal microphone be... [more] |
EA2004-88
pp.61-66 |
| EA |
2004-10-29
16:20 |
Niigata |
Nagaoka Univ. of Tech. |
A measuring method of the sound velocities through human body using ultrasonic sensors
Hiroaki Ikukawa, Kenji Furihata (Shinshu Univ.) |
The ultrasound velocity through human body is calculated from the distance between two piezoelectric transducers and the... [more] |
EA2004-89
pp.67-72 |