Speech word recognizing apparatus using information indicative of the relative significance of speech features

摘要

An isolated speech word recognizer for recognizing an input pattern as one of a plurality of known patterns, comprising a similarity information storing unit for storing similarity information representing the degree of significance of a feature in each of the known patterns for recognizing thereof, and a most similar pattern determining unit for determining one of the plurality of known patterns as the most similar pattern to the input pattern by the use of the similarity information, whereby the recognition performance is improved.