Processing Self Corrections in a speech to speech system

Details Processing Self Corrections in a speech to speech system Processing Self Corrections in a speech to speech system

2000-08-21

arxiv.org/abs/cs/0008016v1

Proceedings of COLING 2000, Saarbruecken, Germany; 31.7-4.8; pp 1116-1120

Computer Science

Computation and Language

5 pages, 2 figures

Scientific paper

Speech repairs occur often in spontaneous spoken dialogues. The ability to detect and correct those repairs is necessary for any spoken language system. We present a framework to detect and correct speech repairs where all relevant levels of information, i.e., acoustics, lexis, syntax and semantics can be integrated. The basic idea is to reduce the search space for repairs as soon as possible by cascading filters that involve more and more features. At first an acoustic module generates hypotheses about the existence of a repair. Second a stochastic model suggests a correction for every hypothesis. Well scored corrections are inserted as new paths in the word lattice. Finally a lattice parser decides on accepting the rep air.

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