To provide an automatic evaluating device of uttered voice in which estimation of the total degree of proficiency in speaker's pronunciation that can be conducted with high reliability and evaluation of the pronunciation in a smaller unit are simultaneously conducted.
A uttered voice automatic evaluating device 32 includes a feature extracting section 40 which extracts a plurality of voice featured values from the voice data 31 to be input, based on the acoustic model generated from uttering of a native speaker, a language model and a phoneme continuous length model; a sentence evaluating section 42 which conducts automatic evaluation of the pronunciation at a sentence level of the inputted voice data 31, based on the plurality of the voice featured values extracted by the feature extracting section 40; and a word pronunciation error detection section 44 which detects pronunciation errors at a word level of the input voice data 31, based on the plurality of the voice featured values extracted by the feature extracting section 40.
RAINER GRUHN
NAKAMURA SATORU
| JP2002156897A | 2002-05-31 | |||
| JP2001265211A | 2001-09-28 |
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