Patent ID: 6834349
Filing Date: 2004-12-21
Classification: H04L,H04N

Abstract:
A recording method for recording into a recording medium a program of a digital data stream including audio and visual information in accordance with a prescribed recording format, which comprises the steps of:(a) recording into a user area in said recording medium said digital data stream; (b) recording into a first area in said recording medium which is different from said user area an original flag for indicating whether or not said program is original; and (c) recording into a second area in said recording medium which is different from said user area CGMS information for indicating that said program is in one of a copy-free state, copy-protected state or permitted state to be copied once, wherein: when said program is original, said CGMS information is set up to be in said copy-protected state, and when said program is not original, said CGMS information is set up to be in one of said copy-free state, copy-protected state or permitted state to be copied once; and the information recorded into said user area and second area are outputted from a playback apparatus, and the information recorded into said first area is utilized during the playback but is not outputted from said playback apparatus.