A synchronized playback apparatus for outputting a video and audio signal from superimposed video and audio data respectively that includes a video buffer for temporarily holding video data separated by the data separation unit, an audio buffer for temporarily holding audio data separated by the data separation unit, a video decoder for decoding video data temporarily held in the video buffer and outputting a video signal, an audio decoder for decoding audio data temporarily held in the audio buffer and outputting an audio signal, and a synchronization control unit for determining a timing for an audio signal to be outputted by the audio decoder according to an amount of video data accumulated in the video buffer and a bit rate for video data decoded by the video decoder.