Juro OHGA


Analysis on Convergence Property of INLMS Algorithm Suitable for Fixed Point Processing
Kensaku FUJII Juro OHGA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/08/25
Vol. E83-A  No. 8  pp. 1539-1544
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: Adaptive Signal Processing
Keyword: 
INLMS algorithmfixed point processingIIR filter expressionconvergence propertyconvergence condition
 Summary | Full Text:PDF(425.1KB)

Acoustic Echo Canceller System Materialized with a 16-bit Fixed Point Processing Type DSP
Jun'ichi SAKAGUCHI Tsutomu HOSHINO Kensaku FUJII Juro OHGA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/12/25
Vol. E82-A  No. 12  pp. 2818-2821
Type of Manuscript:  LETTER
Category: Acoustics
Keyword: 
acoustic echo cancellerINLMS algorithmquantized-x algorithmblock length adjustmentfixed point processing
 Summary | Full Text:PDF(152.8KB)

A Practical Trial to Realize Active Noise Control System by a Fixed Point Processing Type DSP
Atsushi YAMAGUCHI Hiroyuki FURUYA Kensaku FUJII Juro OHGA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/05/25
Vol. E80-A  No. 5  pp. 840-843
Type of Manuscript:  Special Section LETTER (Special Section on Acoustical Inverse Problems)
Category: 
Keyword: 
active noise controlfiltered-x algorithm'polarized-x' algorithmINLMS algorithmfixed point processing
 Summary | Full Text:PDF(265.3KB)

An Automatic Design Method for the Acoustic Parameters of Telephone-Handsets Reducing the Effects of Leak by Monte Carlo Method
Yoshinobu KAJIKAWA Yasuo NOMURA Juro OHGA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/06/25
Vol. E79-A  No. 6  pp. 825-835
Type of Manuscript:  PAPER
Category: Acoustics
Keyword: 
leakMonte Carlo methodacoustic equivalent circuitpiezo-electric telephone
 Summary | Full Text:PDF(796KB)

Equation for Brief Evaluation of the Convergence Rate of the Normalized LMS Algorithm
Kensaku FUJII Juro OHGA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/12/25
Vol. E76-A  No. 12  pp. 2048-2051
Type of Manuscript:  Special Section LETTER (Special Section of Letters Selected from the 1993 IEICE Fall Conference)
Category: 
Keyword: 
normalized LMS algorithmconvergence rateecho cancelleradaptive FIR filtertraining signal
 Summary | Full Text:PDF(282.9KB)

Compensation for the Double-Talk Detection Delay in Echo Canceller Systems
Kensaku FUJII Juro OHGA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/07/25
Vol. E76-A  No. 7  pp. 1143-1146
Type of Manuscript:  Special Section LETTER (Special Section of Letters Selected from the 1993 IEICE Spring Conference)
Category: 
Keyword: 
Echo cancellerDouble-talknormalized LMS algorithmIIR filter expressionStep gain
 Summary | Full Text:PDF(281KB)

A Fast Adaptive Algorithm Suitable for Acoustic Echo Canceller
Kensaku FUJII Juro OHGA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1992/11/25
Vol. E75-A  No. 11  pp. 1509-1515
Type of Manuscript:  Special Section PAPER (Special Section on Acoustic System Modeling and Signal Processing)
Category: 
Keyword: 
fast adaptive algorithmacoustic echo cancellerIIR filter expressioncorrelation coefficient
 Summary | Full Text:PDF(534.2KB)

Characteristics of a Carbon Granule Microphone with Carbonaceous Electrodes
Juro OHGA Seiiti SHIRAI Hiroaki NOMURA Mizuhiro TOBITA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1980/09/25
Vol. E63-E  No. 9  pp. 662-669
Type of Manuscript:  PAPER
Category: Acoustics
Keyword: 
 Summary | Full Text:PDF(553.6KB)