Word hypothesizer based on reliably detected phoneme similarity

Details Word hypothesizer based on reliably detected phoneme similarity Word hypothesizer based on reliably detected phoneme similarity

1995-09-08

1998-10-20

MacDonald, Allen R.

395 26, 395 263, 395 25, G10L 506, G10L 900

Patent

active

058259775

ABSTRACT:
The word hypothesizer reduces the search space for more computationally expensive word recognizers. Each periodic interval of input speech is represented as a vector of phoneme similarity values from which the high similarity regions are selected and parameterized. The hypothesizer computes alignment parameters for each of a plurality of previously stored word prototypes, vis-a-vis the high similarity regions of the input speech utterance. Those word prototypes having the highest recognition scores are selected as word candidates for the fine match recognizer.

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