A record and play-back system in a still video device, in which a picture signal and an audio signal associated therewith are recorded on a first track and a second track of a recording medium, wherein a first code signal and a second code signal are recorded together with the associated picture signal and the associated audio signal to discriminate that the respective picture signal and audio signal are recorded together with the corresponding audio signal or the picture signal. The second track is played-back when the first code signal is recorded on the first track upon play-back of the first track. The audio signal can be be post-recorded on the second track when no signal is recorded on the second track.