Patent ID: 6741798
Filing Date: 2004-05-25
Classification: G11B,H04N

Abstract:
An information reproducing method for reproducing a representative picture recorded on an information recording disc, said information recording disc including,a managing file in which management information is stored, and an audio file in which audio information is stored or a video file in which video information is stored, wherein, at least one object is recorded in said audio file or said video file, said at least one object including object units, each of said object units including at least one of a video pack in which video data is recorded or an audio pack in which audio data is recorded, said management information includes a plurality of program chain information including cell information representing cells, and a video manager information table as a first block including disc representative picture information for a disc representative picture, said video manager information table precedes said plurality of program chain information, at least one of said program chain information designates respective cell reproduction orders, said cells refer to a whole or a part of said at least one object, said disc representative picture information includes information regarding a program chain number, a cell number, a picture point as a presentation time of a picture representing recording contents of the disc, and information regarding a time when the disc representative picture was made, and said disc representative picture is any picture included in said at least one object, the information reproducing method comprising: reading said management information; referring to said disc representative picture information; determining a position of said disc representative picture in said video file; and decoding said disc representation picture.