| 摘要 |
<p>A portable electronic device of one embodiment of the invention has a camera (6) mounted in a housing to enable image capture. The housing has a pressure sensor (5) for detecting the housing being submerged in water, a speaker (3) for emitting shutter sound in imaging by the camera (6), and a control circuit (1) for controlling operation of the speaker (3). When the pressure sensor (5) detects that the housing is being submerged in water, the control circuit (1) increases the volume of shutter sound emitted from the speaker (3).</p> |
