Patent ID: 6075920
Filing Date: 2000-06-13
Classification: G11B,H03M,H04N

Abstract:
A data reproducing method for reproducing user data which includes data representative of a plurality of still pictures including a number of intra-frame (I) pictures, predictively coded (P) pictures, and bidirectionally coded (B) pictures from a recording medium in which the user data was recorded in sector units each having a number of packets wherein each packet includes a packet header and respective data and in which the recording medium has subcode information serving as additional information for data reproduction recorded in each sector separately from the user data in which said subcode information includes a sector number for identifying a respective sector and one other item selected from a set including a predetermined time code, entry point information indicative of a position or positions at which the data representative of only an I picture or pictures is located for use in a high-speed search operation and temporal reference information which indicates an order for displaying the pictures and which enables access to a desired still picture selected by a user from among the plurality of still pictures, said method comprising the steps of:reproducing said subcode information recorded in said each sector; andcontrolling the reproduction of said data in accordance with said reproduced subcode information.