A wireless communication apparatus which communicates with a first microphone is disclosed, which includes an audio processor which acquires audio data from the first microphone, a controller which detects an instruction for audio recording from the first microphone, an audio recorder which starts recording the audio data and stops the recording after a defined period of time since detection of the instruction for audio recording, a timer which starts measuring time for the defined period of time, and a memory controller which creates a recorded audio file, wherein the recorded audio file is linked to log information.