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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 87  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SP, EA, SIP 2020-03-03
09:00
Okinawa Okinawa Industry Support Center A study on step size control method for pre-estimating adaptive filter in feedback type active noise control systems
Kensaku Fujii (Kodaway Lab.), Mitsuji Muneyasu (Kansai Univ.), Yoshifumi Chisaki (CIT) EA2019-143 SIP2019-145 SP2019-92
In this paper, we propose a method for detecting the convergence of the adaptive filter estimating the feedback path in ... [more] EA2019-143 SIP2019-145 SP2019-92
pp.243-250
EA 2019-12-13
15:15
Fukuoka Kyushu Inst. Tech. A study on method for stabilizing the noise reduction effect in the system applying the simultaneous equations method to active noise control
Kensaku Fujii (Kodaway Lab.), Mitsuji Muneyasu (Kansai Univ.) EA2019-82
In this paper, we propose a method for stabilizing the noise reduction effect fluctuation causing when the coefficients ... [more] EA2019-82
pp.111-118
CS, CQ
(Joint)
2019-04-18
15:10
Osaka Osaka Univ. Library [Invited Talk] Future Visual Communication Platform enhanced by SDx
Shohei Kamamura, Kensaku Fujii (NTT BizLink) CQ2019-5
 [more] CQ2019-5
pp.25-28
EA, SIP, SP 2019-03-15
13:30
Nagasaki i+Land nagasaki (Nagasaki-shi) [Poster Presentation] A study on sound source direction detection method using coefficients of adaptive filter
Kensaku Fujii (Kodaway Lab.), Mitsuji Muneyasu (Kansai Univ.) EA2018-141 SIP2018-147 SP2018-103
In this paper, we propose a method for detecting sound source direction using coefficients of adaptive filter. For detec... [more] EA2018-141 SIP2018-147 SP2018-103
pp.243-250
NS 2019-01-17
17:40
Nagasaki Nagasaki Prefectural Art Museum [Invited Talk] Visual Communication Technologies with Softwarization
Shohei Kamamura, Kensaku Fujii (NTT Bizlink) NS2018-183
Because of emergence of the ultra-high-resolution technologies, high speed mobile communication such as 5G, and diversif... [more] NS2018-183
pp.31-34
EA 2018-12-14
10:55
Fukuoka kyushu Univ. A study on methods for detecting the convergence completion of adaptive filter rstimating unknown acoustic path
Kensaku Fujii (Kodawy Lab.), Mitsuji Muneyasu (Kansai Univ.) EA2018-90
Acoustic coupling is generated between a microphone and a loudspeaker placed in a same room generate. The application of... [more] EA2018-90
pp.59-66
EA 2018-12-14
11:20
Fukuoka kyushu Univ. A study on step size adjusting method capable of stably starting filtered-x algorithm
Kensaku Fujii (Kodaway Lab.), Mitsuji Muneyasu (Kansai Univ.) EA2018-91
In this paper, we propose a atep size control method for converging the step size within the stability performance range... [more] EA2018-91
pp.67-74
EA 2018-10-12
11:15
Fukushima Iwaki business Innovation Center (Iwaki) A study on method for re-estimating feedback path under active noise control
Kensaku Fujii (KOdaway Lab.), Mitsuji Muneyasu (Kansai Univ.) EA2018-61
In this paper, we propose a method capable of re-estimating the feedback path under active noise contol. The cancellatio... [more] EA2018-61
pp.53-58
EA, ASJ-H 2018-08-23
12:30
Miyagi Tohoku Gakuin Univ. A study on method for detecting the convergence of coefficients of auxiliary filter applied to simultaneous equations method
Kensaku Fujii (Kodaway Lab.), Mitsuji Muneyasu (Kansai Univ.) EA2018-28
The simultaneous equations method estimates the overall path from the input of the noise control filter to the output of... [more] EA2018-28
pp.1-6
EA 2018-02-15
15:00
Hiroshima Pref. Univ. Hiroshima A study on method for detecting the convergence of coefficients of pre-estimating filter for active noise control
Kensaku Fujii (Kodaway Lab), Mitsuji Muneyasu (Kansai Univ) EA2017-94
In this paper, we propose a method for detecting the convergence of the coefficients of the pre-estimation filters appli... [more] EA2017-94
pp.7-12
EA, US
(Joint)
2017-01-26
10:30
Kyoto Doshisha Univ. A study on feedback path re-estimation method under active noise control
Kensaku Fujii (Kodaway Lab.), Mitsuji Muneyasu (Kansai Univ.) US2016-110 EA2016-78
In this paper, we propose a method detecting the increase of the cancellation remainder of the feedback path under activ... [more] US2016-110 EA2016-78
pp.185-190(US), pp.61-66(EA)
EA, SP, SIP 2016-03-28
13:15
Oita Beppu International Convention Center B-ConPlaza [Poster Presentation] A method for improving linear prediction effect by applying recursive type adaptive filter to linear prediction
Kensaku Fujii (Kodaway Lab.), Mitsuji Muneyasu (Kansai Univ.) EA2015-77 SIP2015-126 SP2015-105
 [more] EA2015-77 SIP2015-126 SP2015-105
pp.63-68
US, EA
(Joint)
2016-01-29
10:25
Osaka Kansai University, Centenary Memorial Hall On a stable performance condition of feedback type active noise control system for preventive panel of sound leakage
Kensaku Fujii (Kodaway Lab.), Mitsuji Muneyasu (Kansai Univ.) EA2015-59
 [more] EA2015-59
pp.27-32
EA, EMM 2015-11-13
14:45
Kumamoto Kumamoto Univ. Secondary and feedback paths improving stability and noise reduction effect in feedforward type active noise control system
Kensaku Fujii (Kodaway Lab.), Mitsuji Muneyasu (Kansai Univ.) EA2015-38 EMM2015-59
 [more] EA2015-38 EMM2015-59
pp.81-86
EA 2015-07-03
15:20
Tokyo The Univ. of Electro-Communications, 80th Anniversary Memorial Hall A study on level diagram necessary for verification of stable operation of hands-free communication system
Kensaku Fujii (Kodaway Lab.), Mitsuji Muneyasu (Kansai Univ.) EA2015-8
(To be available after the conference date) [more] EA2015-8
pp.39-44
EA 2015-07-03
15:50
Tokyo The Univ. of Electro-Communications, 80th Anniversary Memorial Hall An adaptive algorithm for acoustic echo canceler adjusting insertion loss to echo path change and double talk.
Kensaku Fujii (Kodaway Lab.), Takuya Sawada, Takuto Yoshioka (Univ. of Hyogo), Mitsuji Muneyasu (Kansai Univ.) EA2015-9
(To be available after the conference date) [more] EA2015-9
pp.45-50
US, EA
(Joint)
2015-01-29
09:50
Kyoto Doshisha Univ. A study on feedback path estimation method for feedforward type active noise control
Kensaku Fujii (Kodaway Lab.), Mitsuji Muneyasu (Kansai Univ.) EA2014-63
 [more] EA2014-63
pp.21-26
EA, US
(Joint)
2014-01-28
13:00
Osaka Kansai University, Centenary Memorial Hall A study on dereverberation method using adaptive filter
Hiroshi Kishida, Kensaku Fujii (Univ of Hyogo), Mitsuji Muneyasu (Kansai Univ), Masakazu Morimoto (Univ of Hyogo) EA2013-113
 [more] EA2013-113
pp.57-62
EA, US
(Joint)
2014-01-28
13:25
Osaka Kansai University, Centenary Memorial Hall A study on method of controlling the magnitude of attenuation applied to acoustic echo canceller systems
Takuya Sawada, Takuto Yoshioka, Kensaku Fujii (Univ of Hyogo), Mitsuji Muneyasu (Kansai Univ), Masakazu Morimoto (Univ of Hyogo) EA2013-114
We propose a method to control magnitude of attenuation of the sound switch in acoustic echo canceller systems using ADF... [more] EA2013-114
pp.63-68
EA, US
(Joint)
2014-01-28
13:50
Osaka Kansai University, Centenary Memorial Hall A study on dereverberation method for microphone array system enhancing speech signal
Ryota Kishimoto, Hiroshi Kishida, Kensaku Fujii (Univ of Hyogo), Mitsuji Muneyasu (Kansai Univ), Masakazu Morimoto (Univ of Hyogo) EA2013-115
 [more] EA2013-115
pp.69-74
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