Patent ID: 6842417

Claim:
An audio system having an audio reproducing device and an audio recording device, said audio reproducing device reproducing tracks each serving as a unit of audio information from a recording medium serving as a source mounted on said audio reproducing device as tracks to be recorded on a recording medium serving as a target mounted on said audio recording device, and said audio recording device recording the tracks reproduced by said audio reproducing device on said recording medium serving as the target, wherein: said audio recording device comprises: calculating means for calculating a recordable time of said recording medium serving as the target; and notifying means for notifying said recordable time calculated by said calculating means to said audio reproducing device, and said audio reproducing device comprises: selecting means for selecting a maximum number of tracks from tracks recorded on said recording medium serving as the source in accordance with priority order of tracks settled under a predetermined condition so that a total reproducing time of the selected tracks does not exceed said recordable time notified from said audio recording device; and reproducing means for reproducing the tracks selected by said selection means as tracks to be recorded on said recording medium serving as the target.