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Technical Committee on Engineering Acoustics (EA) (Searched in: 2007)
Search Results: Keywords 'from:2008-03-07 to:2008-03-07'
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EA | 2008-03-07 09:30 |
Tokyo | NTT Musashino R&D Center | The voice recognition circuit by using hardware and software complex Yuya Usami, Hiroshi Kotaki, Kazushi Takahashi, Masatoshi Sekine (TUAT)  EA2007-112 |
We make the function of a cochlea that is one of auditory organs by a logical circuit， and implement the digital circui... [more] |
EA2007-112 pp.1-6 |
| EA | 2008-03-07 09:55 |
Tokyo | NTT Musashino R&D Center | Voice Synthesis Circuit with Pulse Density Kazushi Takahashi, Hiroshi Kotaki, Yuya Usami, Masatoshi Sekine (TUAT) EA2007-113 |
Human voice is sound made by the complex shapes and movement of vocal organ such as vocal cord, vocal tract, tongues an... [more] |
EA2007-113 pp.7-12 |
| EA | 2008-03-07 10:20 |
Tokyo | NTT Musashino R&D Center | Perceptual naturalness of time-scale modified speech Masashi Ito, Masafumi Yano (Tohoku Univ.) EA2007-114 |
Perceptual naturalness of time-scale modified speech is affected by phase relationship between constituent sinusoidal co... [more] | EA2007-114 pp.13-18 |
| EA | 2008-03-07 10:45 |
Tokyo | NTT Musashino R&D Center | A new reproduction method using link information for efficient listening of audio contents Yuhei Ota, Kota Takahashi (UEC) EA2007-115 |
Techniques for high-Speed playback without changing the pitch is important and essential for efficient listening of audi... [more] | EA2007-115 pp.19-24 |
| EA | 2008-03-07 11:10 |
Tokyo | NTT Musashino R&D Center | Analysis of effect of physical parameters on human ear response of intraconcha and insert headphones Megumi Kobayashi, Yusuke Yanagida, Juro Ohga (Shibaura IT), Ikuo Oohira (Ashida Sound Co.) EA2007-116 |
Although a variety of headphones is increased, fundamentals of design method for them are still not established, and als... [more] | EA2007-116 pp.25-30 |
| EA | 2008-03-07 12:30 |
Tokyo | NTT Musashino R&D Center | [Invited Talk]
[Invited paper] How to understand operation and usage of headphones and earphones
-- Results of study with my students -- Juro Ohga (Shibaura IT) EA2007-117 |
Understanding of physical nature of headphones and earphones has been one of important research items for the author and... [more] | EA2007-117 pp.31-36 |
| EA | 2008-03-07 13:40 |
Tokyo | NTT Musashino R&D Center | Proposal of new measuring method for headphones and earphones Kiyofumi Inanaga, Takeshi Hara (SONY Corp.), Gunnar Rasmussen (GRAS), Yasuhiro Riko (Riko Associates), Juro Ohga (SIT), Ikuo Oohira (Ashida Sound) EA2007-118 |
Currently various types of acoustic coupler has been specified and employed in measuring headphones and earphones. Beca... [more] | EA2007-118 pp.37-42 |
| EA | 2008-03-07 14:05 |
Tokyo | NTT Musashino R&D Center | Examination of distance dependency of HRTF near head Yoshihide Hayakawa, Takanori Nishino, Kazuya Takeda (Nagoya Univ.) EA2007-119 |
Spatial sound reproduction technology is applied to various fields such as a home theater, a portable audio, and a cellu... [more] | EA2007-119 pp.43-48 |
| EA | 2008-03-07 14:30 |
Tokyo | NTT Musashino R&D Center | Encoding of Large Microphone Array signals for Slective Listening Point Audio Representation based on Blind Source Separation Kenta Niwa, Takanori Nishino, Kazuya Takeda (Nagoya Univ.) EA2007-120 |
This paper describes a method of selective listening point-type acoustic field representation. An appreciation system th... [more] | EA2007-120 pp.49-54 |
| EA | 2008-03-07 14:55 |
Tokyo | NTT Musashino R&D Center | A New Sound Field Reproduction Method and the Application Based on the Spatial Covariance Matrix. Yoshinori Takahashi, Akio Ando (NHK Sci. & Tech. Res. Labs.) EA2007-121 |
This article investigates a sound field reproduction method based on the spatial impression. Wave surface control and co... [more] | EA2007-121 pp.55-60 |
| EA | 2008-03-07 15:20 |
Tokyo | NTT Musashino R&D Center | Diffraction coefficients of oblate spheroid varied the shape from disk to sphere Kazutaka Fujimoto, Kiyoshi Sugiyama, Yukio Tokunaga (Shibaura Inst. Tech.) EA2007-122 |
A disc and a sphere, which belong to the oblate spheroids geometrically, are the ultimate shape of the oblate spheroids.... [more] | EA2007-122 pp.61-66 |
| EA | 2008-03-07 15:55 |
Tokyo | NTT Musashino R&D Center | Sampling theorems for periodic functions and interpolation formulae for sampled data
-- (Part 2) As an extension of the interpolation via zero insertion -- Samon Oie (Onosokki) EA2007-123 |
In the previous paper [7], the author presented sampling theorems for periodic functions both in the time domain and in ... [more] | EA2007-123 pp.67-72 |
| EA | 2008-03-07 16:20 |
Tokyo | NTT Musashino R&D Center | Self and mutual radiation impedances for flexible sound sources in an infinite rigid plane baffle Samon Oie (Onosokki) EA2007-124 |
A unified formulation of self and mutual radiation impedances for flexible sound sources in an infinite rigid baffle is ... [more] | EA2007-124 pp.73-78 |
| EA | 2008-03-07 16:45 |
Tokyo | NTT Musashino R&D Center | Robust noise suppression algorithm using Kalman filter theory with colored driving source Nari Tanabe (Tokyo Univ. of Science, Suwa), Takeshi Inoue, Katsuyuki Sueyoshi (Chiba Inst. of Tech.), Toshihiro Furukawa (Tokyo Univ. of Science), Hajime Kubota (Chiba Inst. of Tech.), Hideaki Matsue (Tokyo Univ. of Science, Suwa), Shigeo Tsujii (Inst. of information Security) EA2007-125 |
[more] | EA2007-125 pp.79-84 |
| EA | 2008-03-07 17:10 |
Tokyo | NTT Musashino R&D Center | Noise Power Estimation Based on Noise Ratio in Signal and Its Noise Reduction Performance Masahiro Fukui, Suehiro Shimauchi, Akira Nakagawa, Yoichi Haneda, Akitoshi Kataoka (NTT Cyber Space Lab.) EA2007-126 |
Noise power estimation for noisy speech signals is required for noise reduction systems. This paper presents a robust no... [more] | EA2007-126 pp.85-90 |
| EA | 2008-03-07 17:35 |
Tokyo | NTT Musashino R&D Center | A Selection of Correlation Matrices for Noisy BSS Based On Joint Diagonalization of Differences of Correlation Matrices Yuki Imai, Akira Tanaka, Masaaki Miyakoshi (Hokkaido Univ.) EA2007-127 |
In this paper, we propose a method for selection of correlation matrices that yields a better separation performance for... [more] | EA2007-127 pp.91-95 |
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