To perform processing while controlling an external device without operating the external device by providing a transmission part for transmitting recorded audio data and a control signal to the external device and a control means for controlling the external device by transmitting the prescribed control signal.

When a SEL button is inputted twice, a PC-LINK mode is displayed and when the SEL button is further inputted, PC-LINK processing is performed. When a REC button is inputted after the PC-LINK mode is started, the control signal of voice recognition start is transmitted to a PC. At such a time point, the PC is turned into voice recognition accepting state. Next, audio data inputted through a microphone are transmitted to the PC. The PC converts the received audio data to character data by a voice recognition software. Voice recognizing processing can be performed without clicking a start button or stop button displayed on a PC screen with a mouse or the like.