Method and apparatus for video-on-demand with fast play capabili

Details Method and apparatus for video-on-demand with fast play capabili Method and apparatus for video-on-demand with fast play capabili

1997-12-02

2000-05-02

Flynn, Nathan

Computer graphics processing and selective visual display system

Display driving control circuitry

Controlling the condition of display elements

348 7, 348 12, 386 68, H04N 712

Patent

active

060578327

ABSTRACT:
A method and apparatus for processing a coded data stream of video information (e.g., video-on-demand) for selective display according to a Normal PLAY Mode or a Fast PLAY Mode, by splitting the coded data stream into (a) anchor data constituted of anchor picture frames (e.g., I-frames) coded without reference to other picture frames, and (b) complemental data (e.g., B-frames and P-frames) complementing the anchor data; storing the anchor data in an anchor data file and the complemental data in a complemental data file; upon the selection of a Normal PLAY Mode, combining the data of both the anchor data file and the complemental data file to recompose and display the video information; and upon the selection of a fast PLAY mode, displaying only the data of the anchor data file.

REFERENCES:
patent: 5428393 (1995-06-01), Enokida
patent: 5434678 (1995-07-01), Abecassis
patent: 5734784 (1998-03-01), Tsinberg et al.
patent: 5754773 (1998-05-01), Ozden et al.

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