A screen saving method of an image apparatus is provided. The screen saving method includes playing back an audio signal, and displaying a screen saving image that includes audio playback data, according to the played back audio signal. The image apparatus includes a media playback unit, a display unit, and a control unit. The media playback unit plays back the audio signal. The display unit displays the audio playback data. The control unit controls the displaying of the screen saving image, and varies the position of the screen saving image over time.