This invention relates to a recording apparatus for recording digital data compressively encoded by use of a predetermined scheme having: receiving means for receiving a transport stream from an external unit connected through a digital bus; extracting means for extracting from the received transport stream a transport stream packet having a predetermined packet identification (PID); acquiring means for acquiring the compressively encoded digital data arranged in the transport stream packet extracted by the extracting means; and recording means for recording the acquired digital data onto a predetermined recording medium.