Phuttapong Sertsi, Vataya Chunwijitra, Sila Chunwijitra, Chai Wutiwiwatchai, "Offline Thai Speech Recognition Framework on Mobile Device", Conferrence on The 13th International Joint Conference on Computer Science and Software Engineering (JCSSE2016), July 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
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
Takashi Nose, Vataya Chunwijitra, Takao Kobayashi, “A Parameter Generation Algorithm Using Local Variance for HMM-Based Speech Synthesis,” J. Sel. Topics Signal Processing 8(2): 221-228 (2014)
Vataya Chunwijitra, Takashi Nose, Takao Kobayashi, “A speech parameter generation algorithm using local variance for HMM-based speech synthesis,” Proc. 13th Annual Conference of the International Speech Communication Association, INTERSPEECH 2012, Portland, USA (2012.09)
Vataya Chunwijitra, Takashi Nose, Takao Kobayashi, “A tone-modeling technique using a quantized F0 context to improve tone correctness in average-voice-based speech synthesis,” Speech Communication, vol.54(2), pp.245-255 (2012.02)
Vataya Chunwijitra, Takashi Nose, Takao Kobayashi, “Tonal context labeling using quantized F0 symbols for improving tone correctness in average-voice-based speech synthesis,” Proc. 2011 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2011, pp.4708-4711, Prague, Czec
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.
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.
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.
Vataya Boonpiam, Para Voraratpanya and Supot Nitsuwat. “Gender Classification Using Eigenface”, National Conference on Computing and Information Technology (NCCIT). 2005
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.