| 摘要 |
PROBLEM TO BE SOLVED: To further diversify information which can be input when an information processing apparatus or an electronic device is operated by those who cannot freely use fingers, or that used under a noise environment, without making input operation complicated, and to make a device configuration simple. SOLUTION: Bone conduction sound which is detected by a bone conduction microphone attached in one auricle is amplified and sampled, and it is stored in a memory. The bone conduction sound signal stored in the memory is taken out, and variable threshold processing is performed. Multi-class classification by partial space pattern classification is performed for occlusal sound candidates which are detected by the variable threshold processing. A signal according to an occlusal data of the occlusal sound candidates on which multi-class classification is performed is created as an operation command signal. COPYRIGHT: (C)2011,JPO&INPIT
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