Futoshi ASANO


Signal Processing Techniques for Robust Speech Recognition
Futoshi ASANO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2008/03/01
Vol. E91-D  No. 3  pp. 393-401
Type of Manuscript:  INVITED PAPER (Special Section on Robust Speech Processing in Realistic Environments)
Category: 
Keyword: 
signal processingautomatic speech recognitionrobustness
 Summary | Full Text:PDF(983.9KB)

Detection of Overlapping Speech in Meetings Using Support Vector Machines and Support Vector Regression
Kiyoshi YAMAMOTO Futoshi ASANO Takeshi YAMADA Nobuhiko KITAWAKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/08/01
Vol. E89-A  No. 8  pp. 2158-2165
Type of Manuscript:  PAPER
Category: Engineering Acoustics
Keyword: 
Support Vector MachinesSupport Vector Regressiondetection of overlapping speech
 Summary | Full Text:PDF(807.1KB)

Comparative Assessment of Test Signals Used for Measuring Residual Echo Characteristics
Nobuhiko KITAWAKI Takeshi YAMADA Futoshi ASANO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/03/01
Vol. E86-B  No. 3  pp. 1102-1108
Type of Manuscript:  PAPER
Category: Network
Keyword: 
quality assessmentperceptual QoSartificial voiceecho characteristics
 Summary | Full Text:PDF(945.5KB)

Active Control of Sound Intensity for Suppression of Reflected Sound Waves Based on the State Feedback Control
Hironobu TAKAHASHI Yoiti SUZUKI Shouichi TAKANE Futoshi ASANO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/04/01
Vol. E84-A  No. 4  pp. 1017-1026
Type of Manuscript:  Special Section PAPER (Special Section on Acoustic Signal Processing)
Category: 
Keyword: 
active controloptimal controlstate feedbacksound intensityfinite element method
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A Speech Enhancement Technique Using Kalman Filter with State Vector of Time-Frequency Patterns
Ryouichi NISHIMURA Futoshi ASANO Yoiti SUZUKI Toshio SONE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/04/01
Vol. E84-A  No. 4  pp. 1027-1033
Type of Manuscript:  Special Section PAPER (Special Section on Acoustic Signal Processing)
Category: 
Keyword: 
speech enhancementKalman filterwavelet transformtime-frequency pattern
 Summary | Full Text:PDF(402.6KB)

Sound Source Localization and Separation in Near Field
Futoshi ASANO Hideki ASOH Toshihiro MATSUI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/11/25
Vol. E83-A  No. 11  pp. 2286-2294
Type of Manuscript:  PAPER
Category: Engineering Acoustics
Keyword: 
microphone arraynear fieldsubspace methodminimum variance beamformerspatial inverse filter
 Summary | Full Text:PDF(1.1MB)

New Design Method of a Binaural Microphone Array Using Multiple Constraints
Yoiti SUZUKI Shinji TSUKUI Futoshi ASANO Ryouichi NISHIMURA Toshio SONE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/04/25
Vol. E82-A  No. 4  pp. 588-596
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Signal Processing Techniques for Analysis of Acoustical and Vibrational Signals)
Category: 
Keyword: 
adaptive beamformingbinauralconstraintmicrophone arraymultiple constraintsadaptive signal processing
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Speech Enhancement Using Array Signal Processing Based on the Coherent-Subspace Method
Futoshi ASANO Satoru HAYAMIZU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/11/25
Vol. E80-A  No. 11  pp. 2276-2285
Type of Manuscript:  PAPER
Category: Acoustics
Keyword: 
array signal processingeigenvalue analysiscoherent subspace methodspeech enhancementLPC spectrumspatial correlation matrix
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Sound Field Reproduction by Controlling the Transfer Functions from the Source to Multiple Points in Close Proximity
Kazutaka ABE Futoshi ASANO Yoiti SUZUKI Toshio SONE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/03/25
Vol. E80-A  No. 3  pp. 574-581
Type of Manuscript:  PAPER
Category: Acoustics
Keyword: 
sound pressure controlmovement of the receiving pointLeast Square Error methodsingular value
 Summary | Full Text:PDF(632.8KB)

Convergence Characteristics of the Adaptive Array Using RLS Algorithm
Futoshi ASANO Yoiti SUZUKI Toshio SONE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/01/25
Vol. E80-A  No. 1  pp. 148-158
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
adaptive beamformerRLS algorithmspatial/temporal correlation matrixeffective rankconvergence characteristics
 Summary | Full Text:PDF(830.2KB)

Speech Enhancement Based on Short-Time Spectral Amplitude Estimation with Two-Channel Beamformer
Hack-Yoon KIM Futoshi ASANO Yoiti SUZUKI Toshio SONE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/12/25
Vol. E79-A  No. 12  pp. 2151-2158
Type of Manuscript:  PAPER
Category: Acoustics
Keyword: 
speech enhancementshort-time spectral amplitudespectral subtractiontwo channel beamformertransfer function
 Summary | Full Text:PDF(700.9KB)