| 摘要 |
PROBLEM TO BE SOLVED: To make it possible to diagnose whether pronounciation is performed in correct articulator states and articulation manner or not. SOLUTION: A pronunciation diagnostic device includes: articulation attribute data having articulation attribute values corresponding to preferable pronunciation concerning one of the tongue state, the lip state, the glottis state, the palatine uvula state, the nasal cavity state, the teeth state, and the jaw state or combination including at least one of the articulation organ state, enforcing of the articulation organ state and a combination of the exhalation states for each of the phonemes constituting each voice language system. The pronunciation diagnostic device extracts acoustic characteristics from a voice signal pronounced by a speaker such as a frequency characteristic amount, a voice volume, a duration time, their change amount, or a combination of the change pattern and a combination of them, estimates attribute value concerning the articulation attribute according to the extracted acoustic characteristic, and compares the estimated attribute value to the preferable articulation attribute data so as to make determination concerning the pronunciation of the speaker. COPYRIGHT: (C)2007,JPO&INPIT
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