APPARATUS AND METHOD FOR RECOGNIZING CONTINUOUS SPEECH

摘要

The present invention relates to an apparatus and a method for recognizing continuous speech having large vocabulary. In the present invention, large vocabulary in large vocabulary continuous speech having a lot of same kinds of vocabulary is divided to a reasonable number of clusters, then representative vocabulary for pertinent clusters is selected and first recognition is performed with the representative vocabulary, then if the representative vocabulary is recognized by use of the result of first recognition, re-recognition is performed against all words in the cluster where the recognized representative vocabulary belongs.

主权项

1. An apparatus for recognizing continuous speech, comprising:
a cluster creation portion configured to create clusters from continuous speech, each of the clusters including at least one word; a representative vocabulary extraction portion configured to extract at least one representative word from each of the clusters; a continuous speech primary recognition portion configured to recognize the continuous speech primarily based on the extracted representative words and produce a recognition result; and a continuous speech final recognition portion configured to recognize the continuous speech finally based on the produced recognition result.