| 摘要 |
PROBLEM TO BE SOLVED: To provide a speech recognition device and a speech recognition method which can select the speaker models appropriate for a plurality of speakers and attains a speech recognition with good accuracy even when the plurality of the speakers simultaneously or alternately carry out speech input. SOLUTION: The speech recognition device which performs the speech recognition of the speakers by using the speaker models is equipped with a model memory section 103 which memorizes the plurality of the lower speaker models varying in each other's features and the upper speaker models having the features common to the plurality of the lower speaker models in the form of a tree structure, a speaker model selection section 101 which selects one speaker model relating to the plurality of the speakers which are objects for speech recognition, and a speech recognition section 103 which performs the speech recognition of the plurality of the speakers by using the selected one speaker model. COPYRIGHT: (C)2005,JPO&NCIPI
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