| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an electric wheelchair for accurately hearing operation voice uttered by a user even under noises and controlling itself on the basis of the voice. <P>SOLUTION: The electric wheelchair is characterized by including: a voice input means provided with a plurality of voice receiving means arranged apart from each other in order to receive a plurality of voices through multi-channels; an utterance position estimate means that estimates the utterance position of the user on the basis of multi-channel voice data received by the voice receiving means and outputs an utterance position estimate signal; and a control means for controlling a drive source of wheels based on the utterance position estimate signal. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
