| 摘要 |
There is provided an input device including at least two microphones placed at different positions on a chassis to face different directions on one of space axes, a low-frequency bandwidth extracting part for extracting a low-frequency bandwidth signal from a signal input from the microphones, a phase difference calculating part for calculating a phase difference using the low-frequency bandwidth signal extracted by the low-frequency bandwidth extracting part; and a control signal generating part for generating a control signal based on the phase difference calculated by the phase difference calculating part.
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