Recording medium with format for preventing unauthorized copying

Details Recording medium with format for preventing unauthorized copying Recording medium with format for preventing unauthorized copying

1997-06-26

2000-06-06

Hindi, Nabil

Dynamic information storage or retrieval

Binary pulse train information signal

Binary signal gain processing

3692753, 369 58, G11B 700

Patent

active

060727594

ABSTRACT:
A recording medium conforming with a specific physical format of Digital Video Disc/Digital Versatile Disc (DVD) or the like is contrived to achieve superior sound quality in audio data recording and reproduction, common usability of data, and enhanced interchangeability of an apparatus. In this recording medium, identification data signifying the existence of recorded data of a second data format such as Direct Stream Digital Disc (DSD) different from a first data format such as DVD is included in physical format management information recorded in a lead-in area. The data of such second data format is recorded in a data area in conformity with the physical format management information. And second data management information of a Table of Contents (TOC) is recorded at a predetermined position to manage an operation of reproducing the data of the second data format.

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