Continuous speech recognition unit

Abstract

Abstract Continuous speech recognition unit recognizes continuous speech associated with the standard patterns of the given units of recognition. Said unit comprises a standard pattern memory means (1) for storing observation likelihoods and transition probabilities as said standard pattern, a similarity computing means (2) for computing similarity between speech patterns inputted to the continuous speech recognition unit and the standard pattern in the interval between respective points in time, a cumulative value computing means for computing, as a cumulative value, the product of the sum of the products of cumulative values of said similarities obtained for all or part of matching passes on said speech pattern of up to a certain point in time and the transition probability, and the observation likelihood obtained for said speech pattern, a cumulative value memory means (23) for storing said cumulative values, a matching pass memory means (24) for storing the matching pass which maximizes the cumulative value at the current point in time, and a result processor means (28) for defining result of recognition which corresponds to the most probable state from said stored cumulative value and matching pass.

Inventors

• 👤 Kazunaga Yoshida

Bibliographic Details