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Apparatus and method for encoding and decoding digital video data

  • US 6,363,212 B1
  • Filed: 07/29/1999
  • Issued: 03/26/2002
  • Est. Priority Date: 08/02/1995
  • Status: Expired due to Term
First Claim
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1. Apparatus for encoding digital still image and audio data, comprising:

  • means for variable rate encoding the digital still image and audio data to produce variable rate encoded data including encoded still images;

    means for identifying entry points representing locations of the still images in said encoded data;

    means for identifying audio entry points representing locations within said audio data;

    means for generating entry point data identifying positions of the identified entry points in said encoded data;

    means for adding the entry point data to said encoded data; and

    means for recording the encoded data having the generated entry point data added thereto on a record medium;

    whereby said entry point data includes two types of entry sectors, a first type of entry sector which is coincident with each encoded still image, and a second type of entry sector which is located periodically with respect to said audio data, said first type of entry sector including directory data indicative of three still images, an immediately previous still image, an immediately succeeding still image and a next succeeding still image, and said second type of entry sector including data indicative of two images, a previous still image and a next still image.

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