August 2000
CO230 : COGNITIVE SCIENCE

QUESTION 4

Total Marks: 15 Marks

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SUGGESTED SOLUTIONS
for Question 4

(a) Briefly describe morphology, using the word “unable”. [2]

(b) Briefly describe how templates can be used in text-to-speech synthesis. [2]

(c) Briefly describe two problems with using templates in text-to-speech synthesis. [4]

(d) In speech recognition, suggest a pair of words that may cause problems when extracting phonemes to recognise words. For the words you have given, briefly explain using examples how the problem can be solved. [3]

(e) Beside the problem described in the previous question, briefly describe two
other practical problems that are encountered in speech recognition and how
they can be overcome. [4]