US Patent 7532813 Electronic camera

An electronic camera includes an image capturing section, a microphone, a lens driving section, and a focus controlling section. The image capturing section generates image data based on a subject image via an imaging optical system. The microphone records speech outside the camera. The lens driving section includes a motor and a drive mechanism to drive the imaging optical system. The focus controlling section controls the lens driving section according to a focusing state of the subject image and makes different at least one of a continuous driving time of the lens driving section and a drive frequency of the motor during the recording with microphone and that during the non-recording.