Sila Chunwijitra, Chanchai Junlouchai, Sitdhibong Laokok, Pornchai Tummarattananont, Kamthorn Krairaksa, Chai Wutiwiwatchai, “An Interoperability Framework of Open Educational Resources and Massive Open Online Courses for Sustainable e-Learning Platform”, IEICE Trans Vol. E99.D (2016) No. 8, pp. 2140-2150, August 2016
Sila Chunwijitra, Sitdhibong Laokok, Chanchai Junlouchai, Pornchai Tummarattananont, Kamthorn Krairaksa,
Phondanai Khanti, Chai Wutiwiwatchai,
"A System Analytic Perspective of the Sustainable Sharing Resources Repository for Thailand MOOCs Framework",
Conference on 13th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON), June 2016
Sila Chunwijitra, Chanchai Junlouchai, Kamthorn Krairaksa, Vataya Chunwijitra, Chai Wutiwiwatchai, "A cloud-based framework for Thai Large Vocabulary Speech Recognition",
Conference on 13th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON), June 2016
Surasak Boonkla, Masashi Unoki and Stanislav S. Makhanov, and Chai Wutiwiwatchai, “Speech Analysis Method Based on Source-Filter Model Using Multivariate Empirical Mode Decomposition,” IEICE Trans. Vol. E99-A, No. 10, Oct. 2016.
Vataya Chunwijitra, Ananlada Chotimongkol, Chai Wutiwiwatchai, "Combining multiple-type input units using recurrent neural network for LVCSR language modeling," INTERSPEECH 2015, pp. 2385-2389
Chotimongkol, A., Chunwijitra, V., Thatphithakkul, S., Kurpukdee, N., Wutiwiwatchai, C., 2015., "Elicit spoken-style data from social media through a style classifier," in: Oriental COCOSDA held jointly with 2015 Conference on Asian Spoken Language Research and Evaluation (O-COCOSDA/CASLRE), 2015 In
Nattapong Kurpukdee, Phuttapong Sertsi, Sila Chunwijitra, Vataya Chunwijitra, Ananlada Chotimongkol, Chai Wutiwiwatchai, “Enhance Run-time Performance with a Collaborative Distributed Speech Recognition Framework”, International Computer Science and Engineering Conference (ICSEC), Nov, 2015
Sila Chunwijitra, Pornchai Tummarattananont, Sitdhibong Laokok, Kamthorn Krairaksa, Chanchai Junlouchai, Wasan Na Chai, Chai Wutiwiwatchai, “The strategy to sustainable sharing resources repository for Massive Open Online Courses in Thailand”, 12th International Conference on Electrical Engineering/
Surasak Boonkla, Masashi Unoki and Stanislav S. Makhanov, and Chai Wutiwiwatchai, “Speech analysis method based on source-filter model using multivariate empirical mode decomposition in log-spectrum domain,” Proc. IEEE Int. Symposium on Chinese Spoken Language Processing (ISCSLP), pp. 555--559, Sept. 2014.
Thangthai Kwanchiva, Ananlada Chotimongkol, and Chai Wutiwiwatchai. "A hybrid language model for open-vocabulary Thai LVCSR." INTERSPEECH. 2013.
Surasak Boonkla, Pakinee Aimmanee, Chai Wutiwiwatchai, and Hiroaki Kunieda (2012). Online traffic information retrieving for a driver using speech recognition including enhancement methods, in Proceedings of The First ASIAN Conference on Information Systems (ACIS 2012) [CD-ROM], 6-8 December 2012, Siem Reap, Cambodia.
Ananlada Chotimongkol, Sumonmas Thatphithakkul, Patcharika Chootrakool,Chatchawarn Hansakunbuntheung, Chai Wutiwiwatchai, “The design and development of PELECAN: Pronunciation Errors from Learners of English Corpus and Annotation”, In Proceedings of Oriental-COCOSDA '11, Hsinchu, Taiwan, October 20
Saykham, Kwanchiva, Ananlada Chotimongkol, and Chai Wutiwiwatchai. "Online Temporal Language Model Adaptation for a Thai Broadcast News Transcription System." LREC. 2010.
Ananlada Chotimongkol, Nattanun Thatphithakkul, Sumonmas Purodakananda, Chai Wutiwiwatchai, Patcharika Chootrakool, Chatchawarn Hansakunbuntheung, Atiwong Suchato, Panuthat Boonpramuk, “The Development of the Large Thai Telephone Speech Corpus: LOTUS-Cell 2.0”, In Proceedings of Oriental-COCOSDA '
Surasak Boonkla, Pakinee Aimmanee, Chai Wutiwiwatchai, N.Thatphitakkul, Hiroaki Kuneida (2010). The Optimization Process of Speech Recognition for in-Vehicle Embeded Systems, in Proceeding of the International Conference of Intelligent Transport System Telecommunication, 15 September 2010, Kyoto, Japan.
Surasak Boonkla, Pakinee Aimmanee, Chai Wutiwiwatchai, and Hiroaki Kuneida (2010). An Isolated Word Speech Recognition for Car Telematics Services, in Proceedings of the International Conference on Information and Communication Technology for Embedded Systems(ICICTES 2010), 28-30 January 2010, Pathumthani, Thailand.
Sumonmas Purodakananda, Sitthaa Phaholphinyo, Monthika Boriboon, Kanyanut Kriengket, Krit Kosawat, and Chai Wutiwiwatchai, "Word-boundary annotation guidelines for Thai corpora," (in Thai), NECTEC, Pathum Thani, Thailand, Tech. Rep. KRID-045404070, Sep. 2010.
A. Rugchatjaroen, N. Thatphithakkul, A. Chotimongkol, A. Thangthai, C. Wutiwiwatchai, "Speaker adaptation using a parallel phone set pronunciation dictionary for Thai-English bilingual TTS," INTERSPEECH 2009, Sep 2009, United Kingdom.
V. Boonpiam, A. Rugchatjaroen, C. Wutiwiwatchai, "Cross-language F0 modeling for under-resourced tonal languages: a case study on Thai-Mandarin," INTERSPEECH 2009, Sep 2009, United Kingdom.
Krit Kosawat, Monthika Boriboon, Patcharika Chootrakool, Ananlada Chotimongkol, Supon Klaithin, Sarawoot Kongyoung, Kanyanut Kriengket, Sitthaa Phaholphinyo, Sumonmas Purodakananda, Tipraporn Thanakulwarapas, and Chai Wutiwiwatchai, "BEST 2009: Thai word segmentation software contest," in Proc. 8th Int. Symp. Natural Language Process. (SNLP), Bangkok, Thailand, Oct.20-22, 2009, pp.83-88.
Patcharika Chootrakool, Chai Wuttiwiwatchai, and Krit Kosawat, "A large pronunciation dictionary for Thai speech processing," in Proc. 6th Biennial Conf. Asian Assoc. for Lexicography (ASIALEX), Bangkok, Thailand, Aug.20-22, 2009.
S. Saychum, A. Rugchatjaroen, N. Thatphithakkul,C. Wutiwiwatchai and A. Thangthai, "Automatic Duration Weighting in Thai Unit-selection Speech Synthesis," ECTI-CON 2008, May 2008, Thailand. (Best paper award)
U. Sherpa, D. Pemo, D. Chhoeden, A. Rugchatjaroen, A. Thangthai, C. Wutiwiwatchai, "Pioneering Dzongkha Text-to-Speech Synthesis," O-Cocosda 2008, Nov 2008, Japan
Kwanchiva Saykham, Nattanun Thatphithakkul, Chai Wutiwiwatchai Vataya Boonpiam and Cholwich Natthee. “Thai Named Entity Recognition Using Class based Language Modeling on Multiple sized Subword Units" ,Interspeech. 2008.
Nattanun Thatphithakkul, Boontee Kruatrachue, Chai Wutiwiwatchai, Sanparith Marukatat, and Vataya Boonpiam. “Robust Speech Recognition Using Noise-Cluster HMM Interpolation“ , International Conference on Signal Processing (ICSP). 2008.
Chai Wutiwiwatchai, Thepchai Supnithi, and Krit Kosawat, "Speech-to-speech translation activities in Thailand," in Proc. 3rd Int. Joint Conf. Natural Language Process. (IJCNLP), Hyderabad, India, Jan.7-12, 2008.
A. Rugchatjaroen, A. Thangthai, S. Saychum, N. Thatphithakkul and C. Wutiwiwatchai, "Prosody-based Naturalness Improvement in Thai Unit-selection Speech Synthesis," ECTI-CON 2007, May 2007, Thailand. (Best paper award)
Nattanun Thatphithakkul, Boontee Kruatrachue, Chai Wutiwiwatchai, Sanparith Marukatat, and Vataya Boonpiam. “Simulated-data adaptation based piecewise linear transformation for robust speech recognition”, ASEAN Journal on Science & Technology for Development Vol 24 Issue No.4, 2007
Nattanun Thatphithakkul, Boontee Kruatrachue, Chai Wutiwiwatchai, Sanparith Marukatat, and Vataya Boonpiam. "Combined simulated data adaptation and piecewise linear transformation for robust speech recognition", International conference of the Electrical Engineering/Electronics, Computer, Telecommun
Vataya Boonpiam, Nattanun Thatphithakkul, Kwanchiva Saykham and Chai Wutiwiwatchai. "SNR-based model selection and simulated-data adaptation for robust speech recognition", Electrical Engineering Conference (EECON). 2007.
Nattanun Thatphithakkul, Boontee Kruatrachue, Chai Wutiwiwatchai, Sanparith Marukatat, and Vataya Boonpiam. "Tree-structured model selection and simulated-data adaptation for environmental and speaker robust speech recognition", International Symposium on Communications and Information Technologies
Vataya Boonpiam, Nattanun Thatphithakkul and Chai Wutiwiwatchai. “Large Vocabulary Thai Isolated-Word Speech Recognition”, International Symposium on Natural Language Processing (SNLP). 2007.
Nattanun Thatphithakkul, Boontee Kruatrachue, Chai Wutiwiwatchai, Sanparith Marukatat, and Vataya Boonpiam. "KPCA-Based Noise classification Model for Robust Speech Recognition system", International conference of the Electrical Engineering/Electronics, Computer, Telecommunications and Information T
Nattanun Thatphithakkul, Boontee Kruatrachue, Chai Wutiwiwatchai, Sanparith Marukatat, and Vataya Boonpiam. "A Simulated-Data Adaptation Technique for Robust Speech Recognition", INTERSPEECH – ICSLP, 2006.
Nattanun Thatphithakkul, Boontee Kruatrachue, Chai Wutiwiwatchai, Sanparith Marukatat, and Vataya Boonpiam. "Robust Speech Recognition Using KPCA-Based Noise Classification", ECTI TRANSACTIONS ON COMPUTER AND INFORMATION TECHNOLOGY VOL.2, NO.1 MAY 2006
Nattanun Thatphithakkul, Chai Wutiwiwatchai, Vataya Boonpiam and Kwanchiva Saykham. "Hybrid Support Vector Machines and Hidden Markov Model for Speaker Detection", Electrical Engineering Conference (EECON). 2006.
Patcharika Cotsomrong, Nattanun Thatphithakkul, Kwanchiva Saykham, Vataya Boonpiam, Chai Wutiwiwatchai and Treepop Sunpetchniyom. “A speech sectioning tool for corpus development”, IEEE TENCON. 2006.
C. Hansakunbuntheung, A. Rugchatjaroen, C. Wutiwiwatchai, "Space Reduction of Speech Corpus Based on Quality Perception for Unit Selection Speech Synthesis," SNLP 2005, Dec 2005, Thailand.
Nattanun Thatphithakkul, Boontee Kruatrachue, Chai Wutiwiwatchai, and Vataya Boonpiam. "Noise Classification Based on PCA", NSTDA Annual Conference (NAC). 2005.
Nattanun Thatphithakkul, Boontee Kruatrachue, Chai Wutiwiwatchai, Sanparith Marukatat, and Vataya Boonpiam. "Robust Speech Recognition Using PCA-Based Noise Classification", SPECOM. 2005.
Vataya Boonpiam, Nattanun Thatphithakkul, and Chai Wutiwiwatchai. “A Study of Acoustic Modeling for Thai Noisy Speech Recognition", Electrical Engineering Conference (EECON). 2005.