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Technical Committee on Engineering Acoustics (EA) (Searched in: 2010)
Search Results: Keywords 'from:2010-10-21 to:2010-10-21'
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EA | 2010-10-21 13:30 |
Ishikawa | Kanazawa-city Omi-cho Koryu Plaza | Wideband Design of Directional Array-Speaker by Means of Band-Division Tomoko Arai, Kiyoshi Nishikawa (Kanazawa Univ.)  EA2010-58 |
This paper describes a method of band-division for realizing the wideband directional array-speaker implemented under th... [more] | EA2010-58 pp.1-6 |
| EA | 2010-10-21 13:55 |
Ishikawa | Kanazawa-city Omi-cho Koryu Plaza | Super-Directive Beamforming with Planar Speaker-Array Yutatsu Iwai, Kiyoshi Nishikawa (Kanazawa Univ.) EA2010-59 |
This paper presents a method of the super-directional beamforming with planner speaker array.After the two-dimensional ... [more] | EA2010-59 pp.7-12 |
| EA | 2010-10-21 14:20 |
Ishikawa | Kanazawa-city Omi-cho Koryu Plaza | Multiple Sound Source Localization Method with Forgetting Factor depending on Variation of Evaluation Function Value Hiroshi Umedu, Kenji Suyama (Tokyo Denki Univ.) EA2010-60 |
In this paper, we study on a multiple sound source localization method using two microphones. In speech signals, there... [more] |
EA2010-60 pp.13-18 |
| EA | 2010-10-21 14:45 |
Ishikawa | Kanazawa-city Omi-cho Koryu Plaza | Two-Dimensional Directivity Design of Microphone Array by Updating Weighting Function Shosuke Kitamura, Kenji Suyama (Tokyo Denki Univ.) EA2010-61 |
In this paper, we propose a quasi-equiripple design method for directivity patterns of a filtered-sum microphone array o... [more] | EA2010-61 pp.19-24 |
| EA | 2010-10-21 15:25 |
Ishikawa | Kanazawa-city Omi-cho Koryu Plaza | Physical characteristics of earplug speakers for reciprocal head-related transfer function measurement Noriyuki Matsunaga, Tatsuya Hirahara (TPU) EA2010-62 |
Head-related transfer functions (HRTFs) can be measured in short time with reciprocal method. In the reciprocal HRTF mea... [more] | EA2010-62 pp.25-30 |
| EA | 2010-10-21 15:50 |
Ishikawa | Kanazawa-city Omi-cho Koryu Plaza | Construction of an Earphone-microphone System for Front Sound Localization Ryosuke Sato, Kenji Furihata (Shinshu Univ.) EA2010-63 |
[more] | EA2010-63 pp.31-36 |
| EA | 2010-10-21 16:15 |
Ishikawa | Kanazawa-city Omi-cho Koryu Plaza | Prediction Method of the Sound Pressure at the Eardrum in Dummy Head Toshio Kogasaka, Kenji Furihata (Shinshu Univ.) EA2010-64 |
Computer simulation of acoustic scenes is an important prerequisite of rendering. Technology for 3-D sound reproduction,... [more] | EA2010-64 pp.37-42 |
| EA | 2010-10-21 16:40 |
Ishikawa | Kanazawa-city Omi-cho Koryu Plaza | A ray tracing simulation of sound diffraction based on analytic secondary source model Masashi Okada, Takao Onoye (Osaka Univ.), Wataru Kobayashi (Arnis Sound Technologies) EA2010-65 |
Although ray tracing is a popular technique for acoustic simulation owing to its computational simplicity, general ray t... [more] | EA2010-65 pp.43-48 |
| EA | 2010-10-21 17:20 |
Ishikawa | Kanazawa-city Omi-cho Koryu Plaza | Virtual sound source reproduction perceived on different elevation and depression angles in multi-channel loudspeaker systems Ryosuke Kazama, Haruhide Hokari, Shoji Shimada (Nagaoka Univ. of Tech.) EA2010-66 |
To realize sound localization with high presence at different elevation and depression angles, 8ch and 10ch loudspeaker... [more] |
EA2010-66 pp.49-54 |
| EA | 2010-10-21 17:45 |
Ishikawa | Kanazawa-city Omi-cho Koryu Plaza | A study on the continuity of the moving sound image by Wave Field Synthesis. Shinji Uranaka, Haruhide Hokari, Shoji Shimada (Nagaoka Univ. of Tech.) EA2010-67 |
This report discusses the moving sound image continuity yielded by a real sound source (LSM:Loudspeaker Switching Metho... [more] |
EA2010-67 pp.55-60 |
| EA | 2010-10-21 18:10 |
Ishikawa | Kanazawa-city Omi-cho Koryu Plaza | Multi-way system for obtaining the sound localization at two listening points Masahiro Mitsuishi, Kenji Furihata (Shinshu Univ.) EA2010-68 |
A two-channel sound reproduction system (stereo) has a “sweet spot” between the two loudspeakers. When listening to musi... [more] | EA2010-68 pp.61-66 |
| EA | 2010-10-21 18:35 |
Ishikawa | Kanazawa-city Omi-cho Koryu Plaza | Effects of an Artificial Head and a Cross-talk Insulating Material on Interaural Cross-correlation in Stereo Sound Reproduction System Takamasa Ota, Kenji Furihata (Shinshu Univ.) EA2010-69 |
A two-channel sound reproduction system (stereo) has a crosstalk. Therefore, doing away with such stereo crosstalk is es... [more] | EA2010-69 pp.67-72 |
| EA | 2010-10-22 09:15 |
Ishikawa | Kanazawa-city Omi-cho Koryu Plaza | Head Movements during Horizontal Sound Localization Experiment Yuki Toyoda, Daisuke Morikawa, Tatsuya Hirahara (Toyama Pref. Univ) EA2010-70 |
In this work, head movements for four human subjects were measured simultaneously by horizontal sound localization exper... [more] | EA2010-70 pp.73-78 |
| EA | 2010-10-22 09:40 |
Ishikawa | Kanazawa-city Omi-cho Koryu Plaza | Sound localization using stereo microphones that follow head movement Yuki Sawada, Noriyuki Matsunaga, Daisuke Morikawa, Tatsuya Hirahara (Toyama Prefectural Univ.) EA2010-71 |
This paper clarifies key relationship between sound localization and head movement. Four subjects participated in the so... [more] | EA2010-71 pp.79-84 |
| EA | 2010-10-22 10:05 |
Ishikawa | Kanazawa-city Omi-cho Koryu Plaza | Horizontal sound localization with band-limitation noises Daisuke Morikawa, Tatsuya Hirahara (Toyama Pref. Univ.) EA2010-72 |
This paper clarifies the relationship between signal bandwidth and horizontal sound localization with band-pass noise an... [more] | EA2010-72 pp.85-90 |
| EA | 2010-10-22 10:45 |
Ishikawa | Kanazawa-city Omi-cho Koryu Plaza | A study on the incident direction of sound sources with a little influence of pinna shape. Keisi Fukunaga, Haruhide Hokari, Shoji Shimada (Nagaoka Univ. of Tech.), Kiyoshi Sugiyama (Shibaura Inst. of Tech.) EA2010-73 |
Many researchers have used several kinds of earphones to study out–of–head sound localization. Several stud... [more] |
EA2010-73 pp.91-96 |
| EA | 2010-10-22 11:10 |
Ishikawa | Kanazawa-city Omi-cho Koryu Plaza | Effects of filled pinna on sound localization and HRTFs in the median plane Ryosuke Yamaha, Eishi Iwata, Makoto Otani, Kazunori Itoh, Mizue Kayama, Masami Hashimoto (Shinshu Univ) EA2010-74 |
We focus on a relationship between head-related transfer functions (HRTFs) on the median plane and anthropometric parame... [more] | EA2010-74 pp.97-102 |
| EA | 2010-10-22 11:35 |
Ishikawa | Kanazawa-city Omi-cho Koryu Plaza | Effects of pinna surface pressures on head-related transfer functions Makoto Otani (Shinshu Univ.), Yukio Iwaya, Yo-iti Suzuki (Tohoku Univ.), Kazunori Itoh (Shinshu Univ.) EA2010-75 |
Head-related transfer functions (HRTFs) play a crucial role in sound localization by human auditory system. Many researc... [more] | EA2010-75 pp.103-108 |
| EA | 2010-10-22 13:00 |
Ishikawa | Kanazawa-city Omi-cho Koryu Plaza | Fatigue Test Method Using Order Threshold by Two-Pulse Stimuli Synchronized by Earlobe Photoplethysmogram for Auditory and Tactile Sho Arai, Kenji Furihata (Shinshu Univ.) EA2010-76 |
Order threshold (OT) represents a minimum time interval that is necessary for subject to be able to indicate the correct... [more] | EA2010-76 pp.109-114 |
| 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 |
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