Information recording medium and apparatus and method for record

Details Information recording medium and apparatus and method for record Information recording medium and apparatus and method for record

1997-02-14

1998-08-25

Edun, Muhammad N.

Dynamic information storage or retrieval

Binary pulse train information signal

Binary signal gain processing

369 47, 369 48, 369 58, G11B 700

Patent

active

057989958

ABSTRACT:
The data recording/reproducing apparatus of the present invention efficiently performs a trickplay mode operation such as fast forward reproducing and rewind reproducing and a postrecording operation by using a data recording medium storing a variable-bitrate-compressed video data. Each AV file in the video data includes chapter data and first and second pointer data. Each GOP data in the chapter data includes one independent picture data and a plurality of dependent picture data. The first pointer data includes the location data of the independent picture data, and the second pointer data includes the location data of the first pointer data. Further, each GOP data includes an audio data interleaved with the picture data. The first pointer data includes the location data of the corresponding audio data, and the second pointer data includes the location data of the corresponding first pointer data. A hierarchical location data for retrieving the independent picture data and/or the audio data is formed by the first and second pointers.

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