Tatsuya KAWAHARA


Automatic Lecture Transcription Based on Discriminative Data Selection for Lightly Supervised Acoustic Model Training
Sheng LI Yuya AKITA Tatsuya KAWAHARA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2015/08/01
Vol. E98-D  No. 8  pp. 1545-1552
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
speech recognitionacoustic modellightly supervised traininglecture transcription
 Summary | Full Text:PDF(1.1MB)

Admissible Stopping in Viterbi Beam Search for Unit Selection Speech Synthesis
Shinsuke SAKAI Tatsuya KAWAHARA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2013/06/01
Vol. E96-D  No. 6  pp. 1359-1367
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
speech synthesisunit selectionconcatenation costViterbi search
 Summary | Full Text:PDF(562.9KB)

Bayesian Learning of a Language Model from Continuous Speech
Graham NEUBIG Masato MIMURA Shinsuke MORI Tatsuya KAWAHARA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/02/01
Vol. E95-D  No. 2  pp. 614-625
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
language modelingautomatic speech recognitionBayesian learningweighted finite state transducers
 Summary | Full Text:PDF(483.1KB)

Probabilistic Concatenation Modeling for Corpus-Based Speech Synthesis
Shinsuke SAKAI Tatsuya KAWAHARA Hisashi KAWAI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2011/10/01
Vol. E94-D  No. 10  pp. 2006-2014
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
speech synthesisunit selectionconcatenation costjoin cost
 Summary | Full Text:PDF(322.6KB)

Effective Prediction of Errors by Non-native Speakers Using Decision Tree for Speech Recognition-Based CALL System
Hongcui WANG Tatsuya KAWAHARA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2009/12/01
Vol. E92-D  No. 12  pp. 2462-2468
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
speech recognitionCALLgrammar networkdecision tree
 Summary | Full Text:PDF(480.7KB)

Voice Activity Detection Based on High Order Statistics and Online EM Algorithm
David COURNAPEAU Tatsuya KAWAHARA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2008/12/01
Vol. E91-D  No. 12  pp. 2854-2861
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
speech recognitionvoice activity detectionhigh order statisticsonline EM
 Summary | Full Text:PDF(1008KB)

Verification of Speech Recognition Results Incorporating In-domain Confidence and Discourse Coherence Measures
Ian R. LANE Tatsuya KAWAHARA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/03/01
Vol. E89-D  No. 3  pp. 931-938
Type of Manuscript:  Special Section PAPER (Special Section on Statistical Modeling for Speech Processing)
Category: Speech Recognition
Keyword: 
speech recognitionconfidence measureutterance verificationin-domain confidencediscourse coherence
 Summary | Full Text:PDF(936.6KB)

Trigger-Based Language Model Adaptation for Automatic Transcription of Panel Discussions
Carlos TRONCOSO Tatsuya KAWAHARA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/03/01
Vol. E89-D  No. 3  pp. 1024-1031
Type of Manuscript:  Special Section PAPER (Special Section on Statistical Modeling for Speech Processing)
Category: Speech Recognition
Keyword: 
speech recognitionlanguage modeltrigger-based language modelTF/IDF
 Summary | Full Text:PDF(536.3KB)

Dialogue Speech Recognition by Combining Hierarchical Topic Classification and Language Model Switching
Ian R. LANE Tatsuya KAWAHARA Tomoko MATSUI Satoshi NAKAMURA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2005/03/01
Vol. E88-D  No. 3  pp. 446-454
Type of Manuscript:  Special Section PAPER (Special Section on Corpus-Based Speech Technologies)
Category: Spoken Language Systems
Keyword: 
speech recognitiontopic detectiontopic-dependent language modelingsupport vector machinesmulti-domain spoken dialogue
 Summary | Full Text:PDF(578.2KB)

Language Model Adaptation Based on PLSA of Topics and Speakers for Automatic Transcription of Panel Discussions
Yuya AKITA Tatsuya KAWAHARA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2005/03/01
Vol. E88-D  No. 3  pp. 439-445
Type of Manuscript:  Special Section PAPER (Special Section on Corpus-Based Speech Technologies)
Category: Spoken Language Systems
Keyword: 
language modeltopic adaptationspeaker adaptationPLSAautomatic speech recognition
 Summary | Full Text:PDF(958.1KB)

Japanese Pronunciation Instruction System Using Speech Recognition Methods
Chul-Ho JO Tatsuya KAWAHARA Shuji DOSHITA Masatake DANTSUJI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2000/11/25
Vol. E83-D  No. 11  pp. 1960-1968
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
speech recognitionCALLHMMarticulatory categoryformant
 Summary | Full Text:PDF(1.8MB)