Motivation o In spontaneous speech, pronunciations of individual words are different there are often 今 Sound changes,and 今 Phone changes Change includes insertion deletion and substitution ☆上 or chinese an additional accent problem even people are speaking mandarin due to different dialect backgrounds(in Chinese, 7 major dialects) colloquialism, grammar, style a Goal: modelling the pronunciation variations s Establishing a corpus with spontaneous phenomena, because we should know what the canonical phones change to Finding solutions to the pronunciation modelling theoretically and practically Center of speech Technology, Tsinghua University Slide 2Center of Speech Technology, Tsinghua University Slide 2 Motivation ❑ In spontaneous speech, pronunciations of individual words are different, there are often ❖ Sound changes, and ❖ Phone changes. ❖ For Chinese ➢ an additional accent problem even people are speaking Mandarin, due to different dialect backgrounds (in Chinese, 7 major dialects) ➢ colloquialism, grammar, style ❑ Goal: modelling the pronunciation variations ❖ Establishing a corpus with spontaneous phenomena, because we should know what the canonical phones change to. ❖ Finding solutions to the pronunciation modelling theoretically and practically Change includes insertion, deletion and substitution