| 摘要 |
A boundary estimation apparatus includes an boundary estimation unit which estimates a first boundary separating a speech into first meaning units, a boundary estimation unit configured to estimate a second boundary separating a speech, related to the speech, into second meaning units related to the first meaning units, a pattern generating unit configured to generate a representative pattern showing representative characteristic in the analysis interval, a similarity calculation unit configured to calculate a similarity between the representative pattern and a characteristic pattern showing feature in a calculation interval for calculating the similarity in the speech, and the boundary estimation unit estimate as the second boundary based on the calculation interval, in which the similarity is higher than a threshold value or relatively high.
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