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IEICE Trans

Sumitaka SAKAUCHI

Latent Words Recurrent Neural Network Language Models for Automatic Speech Recognition
Ryo MASUMURA Taichi ASAMI Takanobu OBA Sumitaka SAKAUCHI Akinori ITO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2019/12/01
Vol. E102-D  No. 12  pp. 2557-2567
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
latent words recurrent neural network language models, n-gram approximation, Viterbi approximation, automatic speech recognition, 
 Summary | Full Text:PDF
Domain Adaptation Based on Mixture of Latent Words Language Models for Automatic Speech Recognition
Ryo MASUMURA Taichi ASAMI Takanobu OBA Hirokazu MASATAKI Sumitaka SAKAUCHI Akinori ITO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2018/06/01
Vol. E101-D  No. 6  pp. 1581-1590
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
domain adaptation, mixture modeling, latent words language models, latent variable space, automatic speech recognition, 
 Summary | Full Text:PDF
N-gram Approximation of Latent Words Language Models for Domain Robust Automatic Speech Recognition
Ryo MASUMURA Taichi ASAMI Takanobu OBA Hirokazu MASATAKI Sumitaka SAKAUCHI Satoshi TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2016/10/01
Vol. E99-D  No. 10  pp. 2462-2470
Type of Manuscript:  Special Section PAPER (Special Section on Recent Advances in Machine Learning for Spoken Language Processing)
Category: Language modeling
Keyword: 
language models, domain robustness, latent words language models, n-gram approximation, automatic speech recognition, 
 Summary | Full Text:PDF
Investigation of Combining Various Major Language Model Technologies including Data Expansion and Adaptation
Ryo MASUMURA Taichi ASAMI Takanobu OBA Hirokazu MASATAKI Sumitaka SAKAUCHI Akinori ITO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2016/10/01
Vol. E99-D  No. 10  pp. 2452-2461
Type of Manuscript:  Special Section PAPER (Special Section on Recent Advances in Machine Learning for Spoken Language Processing)
Category: Language modeling
Keyword: 
language models, direct decoding, unsupervised adaptation, rescoring, spontaneous speech recognition, 
 Summary | Full Text:PDF
An Estimation Method of Sound Source Orientation Using Eigenspace Variation of Spatial Correlation Matrix
Kenta NIWA Yusuke HIOKA Sumitaka SAKAUCHI Ken'ichi FURUYA Yoichi HANEDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/09/01
Vol. E96-A  No. 9  pp. 1831-1839
Type of Manuscript:  PAPER
Category: Engineering Acoustics
Keyword: 
Microphone array, sound source orientation, reflected sound, transfer function, spatial correlation matrix, 
 Summary | Full Text:PDF
Subjective Assessment of the Desired Echo Return Loss for Subband Acoustic Echo Cancellers
Sumitaka SAKAUCHI Yoichi HANEDA Shoji MAKINO Masashi TANAKA Yutaka KANEDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/12/25
Vol. E83-A  No. 12  pp. 2633-2639
Type of Manuscript:  PAPER
Category: Engineering Acoustics
Keyword: 
hands-free telecommunication, subband echo canceller, transmission delay, reverberation, auditory characteristics, 
 Summary | Full Text:PDF