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Committee Date Time Place Paper Title / Authors Abstract Paper #
EA 2020-12-14
13:25
Online Online Parametric Loudspeaker Steering System Using Output Pointing Interface
Shota Kinjo, Shinya Fujiwara, Toyota Fujioka, Yoshifumi Nagata (Iwate Univ.) EA2020-53
We have developed parametric loudspeaker drive system with interface to indicate irradiation point of the speaker explic... [more] EA2020-53
pp.45-49
US 2017-05-22
14:20
Tokyo   A Study on Parametric Loudspeaker with Random Element Arrangement
Shota Kinjo, Yoshifumi Nagata, Toyota Fujioka, Masato Abe (Iwate Univ.) US2017-16
In order to suppress grating lobe in directivity pattern of parametric loudspeaker with regular transducer arrangement, ... [more] US2017-16
pp.13-18
EA, ASJ-H 2016-08-10
11:00
Miyagi Tohoku Gakuin Univ., Tagajo Campus Experimental Consideration of non-destructive detection of a gap in a concrete structure by using an impulse hammer -- Detection of non-filling sheath in a prestressed concrete bridge --
Toyota Fujioka, Yoshifumi Nagata, Masato Abe (Iwate Univ.) EA2016-27
In prestressed concrete bridge, a gap which has formed inside the prestressed concrete (PC) bridge by non-filling grout ... [more] EA2016-27
pp.43-48
EA 2010-08-10
15:00
Miyagi Tohoku Univ. A Study on Bnad Synchronization for Time-Scale Modification of Audio Signals Based on Subband Signal Processing
Mineto Takahasi, Yoshifumi Nagata, Toyota Fujioka, Masato Abe (Iwate Univ.) EA2010-57
 [more] EA2010-57
pp.81-84
EA 2009-08-03
14:45
Miyagi   Iterative Step by step DOA estimation of multiple sound sources based on MUSIC with two-channel input
Yuta Ogawa, Yoshifumi Nagata, Toyota Fujioka, Masato Abe (Iwate Univ.) EA2009-46
 [more] EA2009-46
pp.19-24
EA 2008-08-04
10:45
Miyagi   Shortening of the measurement time for the harmonic distortion level measurement technique of the loudspeaker by the adaptive filter
Toyota Fujioka, Yoshifumi Nagata, Masato Abe (Iwate Univ.) EA2008-46
The harmonic distortion level measurement technique of the loudspeaker by using the adaptive filter can be easily implem... [more] EA2008-46
pp.7-12
EA 2007-04-27
15:15
Tokyo Kikai-Shinko-Kaikan Bldg (Tokyo, Japan) A study on improved DOA estimation from binaural sound
Takayuki Wakatake, Yoshifumi Nagata (Iwate Univ.), Satoshi Iwasaki (Aichi Medical Univ.), Takahiko Hariyama (Hamamatsu Univ. S. M.), Toyota Fujioka, Masato Abe (Iwate Univ.) EA2007-4
In order to improve estimation accuracy of directions of arrival(DOA) of sound sources, we propose a new weighting funct... [more] EA2007-4
pp.17-22
EA, US
(Joint)
2007-01-26
11:00
Kyoto Doshisha Univ. A study on DOA estimation from binaural sound
Tomita Obara, Yoshifumi Nagata, Toyota Fujioka (Iwate Univ.), Satoshi Iwasaki, Takahiko Hariyama (Hamamatsu Univ.), Masato Abe (Iwate Univ.)
We have made four artificial head models and measured these HRTFs to examine the effectiveness of a method to estimate t... [more] EA2006-106
pp.13-18
EA 2005-08-19
13:00
Miyagi   A study on DOA estimation based on the weighted Wiener gain -- Application to HRTF data --
Yoshifumi Nagata, Toyota Fujioka, Masato Abe (Iwate Univ.)
We have already proposed a method to estimate directions of arrival(DOA) of sound sourcesbased on weighted Wiener gain i... [more] EA2005-43
pp.19-24
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
 Results 1 - 10 of 10  /   
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