Patent ID: 6671457
Filing Date: 2003-12-30
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, said audio file or said video file is configured to store a plurality of video objects, said video objects including object units, each object unit each including at least one of a video pack in which video data is recorded and 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 disc representative picture information for a disc representative picture, at least one of said program chain information designates respective cell reproduction orders, said cells refer to a part of one of said video objects, said disc representative picture information includes information regarding a program chain number, a cell number, a picture point which describes a video object number representing recording contents of said information recording disc, and information regarding a time when said disc representative picture was made, 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 audio file or said video file, and decoding said disc representation picture.