Shoko ARAKI


Integration of Spatial Cue-Based Noise Reduction and Speech Model-Based Source Restoration for Real Time Speech Enhancement
Tomoko KAWASE Kenta NIWA Masakiyo FUJIMOTO Kazunori KOBAYASHI Shoko ARAKI Tomohiro NAKATANI 
Publication:   
Publication Date: 2017/05/01
Vol. E100-A  No. 5  pp. 1127-1136
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
microphone arraybeamforming (BF)power spectral density (PSD) estimationGaussian mixture modelWiener filtering
 Summary | Full Text:PDF(2.1MB)

Subband-Based Blind Separation for Convolutive Mixtures of Speech
Shoko ARAKI Shoji MAKINO Robert AICHNER Tsuyoki NISHIKAWA Hiroshi SARUWATARI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/12/01
Vol. E88-A  No. 12  pp. 3593-3603
Type of Manuscript:  PAPER
Category: Engineering Acoustics
Keyword: 
blind source separationspeech separationconvolutive mixturessubband processingfrequency dependent processing
 Summary | Full Text:PDF(893.6KB)

Underdetermined Blind Separation of Convolutive Mixtures of Speech Using Time-Frequency Mask and Mixing Matrix Estimation
Audrey BLIN Shoko ARAKI Shoji MAKINO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/07/01
Vol. E88-A  No. 7  pp. 1693-1700
Type of Manuscript:  Special Section PAPER (Special Section on Multi-channel Acoustic Signal Processing)
Category: Blind Source Separation
Keyword: 
source separationblindunderdeterminedconvolutivesparseness of speechdistortiontime-frequency maskmixing matrixmusical noise
 Summary | Full Text:PDF(895.8KB)

Blind Source Separation of Convolutive Mixtures of Speech in Frequency Domain
Shoji MAKINO Hiroshi SAWADA Ryo MUKAI Shoko ARAKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/07/01
Vol. E88-A  No. 7  pp. 1640-1655
Type of Manuscript:  INVITED PAPER (Special Section on Multi-channel Acoustic Signal Processing)
Category: 
Keyword: 
blind source separationconvolutive mixturesindependent component analysisfrequency-domain BSSmicrophone arrayadaptive beamformer
 Summary | Full Text:PDF(1.7MB)

Blind Source Separation for Moving Speech Signals Using Blockwise ICA and Residual Crosstalk Subtraction
Ryo MUKAI Hiroshi SAWADA Shoko ARAKI Shoji MAKINO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/08/01
Vol. E87-A  No. 8  pp. 1941-1948
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: Speech/Acoustic Signal Processing
Keyword: 
blind source separationindependent component analysisconvolutive mixturesrealtimespectral subtractionpost processing
 Summary | Full Text:PDF(1.4MB)

Polar Coordinate Based Nonlinear Function for Frequency-Domain Blind Source Separation
Hiroshi SAWADA Ryo MUKAI Shoko ARAKI Shoji MAKINO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/03/01
Vol. E86-A  No. 3  pp. 590-596
Type of Manuscript:  Special Section PAPER (Special Section on Blind Signal Processing: Independent Component Analysis and Signal Separation)
Category: Convolutive Systems
Keyword: 
independent component analysisfrequency domaincomplex-valued signalpolar coordinateCartesian coordinate
 Summary | Full Text:PDF(655.2KB)