A recording/playback apparatus is characterized in that management information
for managing data recorded on a recording medium is provided in a format allowing
tracks to be bundled into groups and managed in group units in addition to management
of the data in track units. By referring to this management information, tracks
from a source can be grouped automatically during a variety of recording and playback
operations including mainly a search for the beginning of each group, and various
kinds of editing work can be done in group units. The recording/playback apparatus
is capable of carrying edit processing such as concatenation, division, batch deletion
and a move operation on a specified group recorded on a disc used for recording
groups each consisting of a plurality of programs.
