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IEICE Trans

Heiga ZEN

Bayesian Context Clustering Using Cross Validation for Speech Recognition
Kei HASHIMOTO Heiga ZEN Yoshihiko NANKAKU Akinobu LEE Keiichi TOKUDA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2011/03/01
Vol. E94-D  No. 3  pp. 668-678
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
Bayesian approach, speech recognition, HMM, context clustering, cross validation, 
 Summary | Full Text:PDF
A Covariance-Tying Technique for HMM-Based Speech Synthesis
Keiichiro OURA Heiga ZEN Yoshihiko NANKAKU Akinobu LEE Keiichi TOKUDA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/03/01
Vol. E93-D  No. 3  pp. 595-601
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
HMM, speech synthesis, decision tree, context-clustering, MDL criterion, embedded device, 
 Summary | Full Text:PDF
A Fully Consistent Hidden Semi-Markov Model-Based Speech Recognition System
Keiichiro OURA Heiga ZEN Yoshihiko NANKAKU Akinobu LEE Keiichi TOKUDA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2008/11/01
Vol. E91-D  No. 11  pp. 2693-2700
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
speech recognition, hidden Markov model, hidden semi-Markov model, weighted finite-state transducer, 
 Summary | Full Text:PDF
The Nitech-NAIST HMM-Based Speech Synthesis System for the Blizzard Challenge 2006
Heiga ZEN Tomoki TODA Keiichi TOKUDA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2008/06/01
Vol. E91-D  No. 6  pp. 1764-1773
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
statistical parametric speech synthesis, Blizzard Challenge 2006, MGC-LSP, MLLT, full covariance GV pdf, 
 Summary | Full Text:PDF
A Hidden Semi-Markov Model-Based Speech Synthesis System
Heiga ZEN Keiichi TOKUDA Takashi MASUKO Takao KOBAYASIH Tadashi KITAMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2007/05/01
Vol. E90-D  No. 5  pp. 825-834
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
hidden Markov model, hidden semi-Markov model, HMM-based speech synthesis, 
 Summary | Full Text:PDF
State Duration Modeling for HMM-Based Speech Synthesis
Heiga ZEN Takashi MASUKO Keiichi TOKUDA Takayoshi YOSHIMURA Takao KOBAYASIH Tadashi KITAMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2007/03/01
Vol. E90-D  No. 3  pp. 692-693
Type of Manuscript:  LETTER
Category: Speech and Hearing
Keyword: 
duration modeling, speech synthesis, hidden Markov model, 
 Summary | Full Text:PDF
Details of the Nitech HMM-Based Speech Synthesis System for the Blizzard Challenge 2005
Heiga ZEN Tomoki TODA Masaru NAKAMURA Keiichi TOKUDA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2007/01/01
Vol. E90-D  No. 1  pp. 325-333
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
HMM-based speech synthesis, Blizzard Challenge 2005, STRAIGHT, HSMM, GV, 
 Summary | Full Text:PDF
Deterministic Annealing EM Algorithm in Acoustic Modeling for Speaker and Speech Recognition
Yohei ITAYA Heiga ZEN Yoshihiko NANKAKU Chiyomi MIYAJIMA Keiichi TOKUDA Tadashi KITAMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2005/03/01
Vol. E88-D  No. 3  pp. 425-431
Type of Manuscript:  Special Section PAPER (Special Section on Corpus-Based Speech Technologies)
Category: Feature Extraction and Acoustic Medelings
Keyword: 
DAEM algorithm, acoustic modeling, EM algorithm, GMMs, HMMs, 
 Summary | Full Text:PDF
Applying Sparse KPCA for Feature Extraction in Speech Recognition
Amaro LIMA Heiga ZEN Yoshihiko NANKAKU Keiichi TOKUDA Tadashi KITAMURA Fernando G. RESENDE 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2005/03/01
Vol. E88-D  No. 3  pp. 401-409
Type of Manuscript:  Special Section PAPER (Special Section on Corpus-Based Speech Technologies)
Category: Feature Extraction and Acoustic Medelings
Keyword: 
kernel, sparsity, principal component analysis, feature extraction, speech recognition, 
 Summary | Full Text:PDF
Continuous Speech Recognition Based on General Factor Dependent Acoustic Models
Hiroyuki SUZUKI Heiga ZEN Yoshihiko NANKAKU Chiyomi MIYAJIMA Keiichi TOKUDA Tadashi KITAMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2005/03/01
Vol. E88-D  No. 3  pp. 410-417
Type of Manuscript:  Special Section PAPER (Special Section on Corpus-Based Speech Technologies)
Category: Feature Extraction and Acoustic Medelings
Keyword: 
continuous speech recognition, triphone HMMs, context clustering, Bayesian networks, voice characteristic, noise environment, 
 Summary | Full Text:PDF
On the Use of Kernel PCA for Feature Extraction in Speech Recognition
Amaro LIMA Heiga ZEN Yoshihiko NANKAKU Chiyomi MIYAJIMA Keiichi TOKUDA Tadashi KITAMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/12/01
Vol. E87-D  No. 12  pp. 2802-2811
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
kernel, feature space, principal component analysis, feature extraction, speech recognition, 
 Summary | Full Text:PDF