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Information recording medium, method for recording information, and method for reproduction information

  • US 6,668,135 B2
  • Filed: 06/20/2002
  • Issued: 12/23/2003
  • Est. Priority Date: 01/21/1998
  • Status: Expired due to Term
First Claim
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1. An information reproducing method for reproducing a representative picture recorded on an information recording disc,wherein the information recording disc is configured to store a managing file in which management information is stored and an audio file or video file in which audio or video information is stored, the information recording disc having at least one object recorded in the audio or video file, said object includes object units, said object units each includes 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 original program chain information including a plurality of cell information for an original program chain, and disc representative picture information for one disc representative picture, said original program chain information designate respective cell reproduction orders, said plurality of cell information refer to a part of the object, said disc representative picture information includes information regarding a program chain number corresponding to said original program chain, a program 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, said disc representative picture is any picture included in the object, said management information includes a start address of said original program chain information, and said original program chain information includes associated general information and subsequently includes associated cell information and, the information reproducing method comprising:

  • a first step of reading said management information, referring to the original program chain information and disc representative picture information, and determining a position of the disc representative picture in the audio file or video file; and

    a second step of decoding the disc representative picture.

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