| 摘要 |
PURPOSE:To recognize speech in an extremely large vocabulary with good accuracy by providing plural recognition parts which differ in recognition unit and a display part, identifying an input voice in phoneme units, and matching the voice with a dictionary by the recognition parts according to the identification results and recognizing the voice in the recognition units corresponding to the respective recognition parts. CONSTITUTION:An analog voice signal which is inputted continuously to an analog input part 1 is inputted to a voice analysis part 2 to generate voice feature parameter. The feature parameter is identified in phoneme units by pattern matching, etc. Then a paragraph recognition part 8 matches a combination of syllable candidates in successive syllable recognition results with the contents of a paragraph recognition dictionary 9 to recognize the input voice in paragraph units. A word recognition part 10 matches dictionary items of a dictionary 11 for word recognition with a syllable candidate group in the successive syllable recognition results to recognize the input voice in word units. Namely, the speech is recognized in units of an extremely large vocabulary such as paragraphs. |
