| Popis: |
Publisher Summary This chapter reports on some experiments, which are part of a long term project towards knowledge based speech recognition system, NEBULA. An extreme stand is taken in these experiments of comparing human speech to predicted pronunciations on the acoustic level with the help of straightforward pattern matching technique. The significantly better results when human references are used were not a surprise. It is well known that text-to-speech systems still need more work before they reach human quality. However, the results can be regarded as encouraging. The low levels of NEBULA explore the descriptive power of cues, and use multiple cues to analyze, classify, and segment the speech wave. The mid-portion of NEBULA is currently represented by a syntactic component of the text-to-speech system, morphological decomposition in the text-to-speech system, and a concept-to-speech system. |
