Data copying managing method and device and copy managing system

摘要

A system for managing the number of duplicates of digital data even when a variety of recording mediums capable of repeated recording are used. The statement of the values of the number of seconds of the recording time recorded in a UTOC sector 2 of a mini-disc is differentiated between a case of recording using a conventional duplication route duplicating the audio data from a CD block (4) and a case of recording using a new duplication route of duplicating audio data from a hard disc (3) through a host controller (2). The recording time the statement of which is differentiated depending on the routes of duplication or the discrimination information of the audio data is managed by the host controller (2) to perform duplication number management.