[IEEE 2016 Conference of The Oriental Chapter of International Committee for Coordination and Standardization of Speech Databases and Assessment Techniques (O-COCOSDA) - Bali, Indonesia (2016.10.26-2016.10.28)] 2016 Conference of The Oriental Chapter of International Committee for Coordination and Standardization of Speech Databases and Assessment Techniques (O-COCOSDA) - An approach of text analysis for Dai speech synthesis