| 摘要 |
<p>A voice input device and a manufacturing method for manufacturing the voice input device, and an information processing system are provided, wherein the voice input device includes a first microphone (710-1) having a first vibrating sheet, a second microphone (710-2) having a second vibrating sheet, and a differential signal generating unit (720) for generating a differential signal between a first voltage signal and a second voltage signal, the first and second vibrating sheets are disposed such that the noise field intensity ratio becomes less than the input voice intensity ratio which indicates an input voice component intensity ratio, and the differential signal generating unit (720) includes a function of removing a noise component by using a delay unit (730), and a differential signal output unit (740) for generating and outputting a differential signal with respect to a signal to which the delay is given by the delay unit.</p> |
