In an apparatus for extracting information from an input speech signal, a preprocessor, a buffer, a segmenter, an acoustic classifier and a feature extractor are provided. The preprocessor generates formant related information for consecutive time frames of the input speech signal. This formant related...http://www.google.es/patents/US5913188?utm_source=gb-gplus-sharePatente US5913188 - Apparatus and method for determining articulatory-orperation speech parameters
Apparatus and method for determining articulatory-orperation speech parameters
