Patent ID: 6396998
Filing Date: 2002-05-28
Classification: G11B,H04N

Abstract:
A DVD recording/reproducing apparatus having a high-speed copying capability for recording/reproducing a medium comprised of a management area and a data area;wherein data are recorded in the data area in a form divided into a plurality of objects, the respective objects are in turn comprised of one or more data units, the respective data units are in turn packed into a plurality of packs packing therein video data and audio data to be reproduced within 0.4 sec through 1.0 sec, and management packs packing therein data unit reproduction management information are located on the head of the respective data units; and wherein the management area contains therein reproducing order defining information and object managing information, the reproducing order defining information is comprised of one of more pieces of program chain information, the respective program chains are each comprised of one or more pieces of cell information, the respective pieces of cell information include information designating objects to be reproduced, time information for starting presentation of the objects, time information for ending presentation of the objects, and the object managing information manages the object; said apparatus comprising: a reproducing section for reproducing data from a source disc; a copy permission determining section for fetching the managing information from the data reproduced from the source disc by the reproducing section, reading data in units of the data units according to the pieces of program chain information and the pieces of object managing information to determine copy protection information in the first one of the management information packs; a recording section for recording the data units into a dubbing disc according to instructions from the copy permission determining section only when copying of the data units is permitted; and an information reconstructing section for reconstructing program chain information and object managing information according to information determined in the copy permission determining section; wherein the program chain information and the object managing information from the information reconstructing section are recorded into the dubbing disc.