An improved topic discriminator includes an integrated speech recognizer or word and phrase spotter as part of a speech event detector, and a topic classifier trained on topic-dependent event frequencies. The event frequencies are determined from either or both transcribed data with a text event detector...http://www.google.fr/patents/US5625748?utm_source=gb-gplus-shareBrevet US5625748 - Topic discriminator using posterior probability or confidence scores
Topic discriminator using posterior probability or confidence scores
