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CS626-449: Speech, NLP and the Web/Topics in AI

CS626-449: Speech, NLP and the Web/Topics in AI. Pushpak Bhattacharyya CSE Dept., IIT Bombay Lecture-25: Vowels cntd and a “grand” assignment. Phonteic Symbols and IPA notation. IPA: vowels. Vowels (1/2). Vowels (2/2). Some examples. iy: bead [b] [iy] [d] (high front)

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CS626-449: Speech, NLP and the Web/Topics in AI

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  1. CS626-449: Speech, NLP and the Web/Topics in AI Pushpak Bhattacharyya CSE Dept., IIT Bombay Lecture-25: Vowels cntd and a “grand” assignment

  2. Phonteic Symbols and IPA notation

  3. IPA: vowels

  4. Vowels (1/2)

  5. Vowels (2/2)

  6. Some examples • iy: bead [b] [iy] [d] (high front) • ey: clay [k][l][ey] (mid front) • uw: crude [k][r][uw][d] (high back rounded) • ow: boat [b][ow][t] (mid back rounded with w-glide) • oy: boy [b][oy] (mid back rounded with y-glide) • aw: cow [k][aw] (low back with w-glide) • ay: my [m][ay] (high back with y-glide)

  7. A “grand” assignment • The Carnegie Mellon University Pronouncing Dictionary • machine-readable pronunciation dictionary for North American English that contains over 125,000 words and their transcriptions. • The current phoneme set contains 39 phonemes

  8. A “grand” assignment cntd Phoneme Example Translation ------- ------- ----------- AA odd AA D AE at AE T AH hut HH AH T AO ought AO T AW cow K AW AY hide HH AY D B be B IY

  9. A “grand” assignment cntd Phoneme Example Translation ------- ------- ----------- CH cheese CH IY Z D dee D IY DH thee DH IY EH Ed EH D ER hurt HH ER T EY ate EY T F fee F IY G green G R IY N HH he HH IY IH it IH T IY eat IY T JH gee JH IY

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