Motion picture reproducing system by bidirectional communication

Details Motion picture reproducing system by bidirectional communication Motion picture reproducing system by bidirectional communication

1996-03-15

1997-12-16

Tran, Thai

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386125, 348 13, H04N 576, H04N 710, H04N 714

Patent

active

056994729

ABSTRACT:
A motion picture reproducing system by bidirectional communication, in which characters and graphics are separately encoded to reproduce high quality images. A video server transmits the motion picture codes of the desired video to a terminal in response to a request of the terminal. At that time, by checking a terminal registration information file, it is discriminated whether or not a bit map of the characters and the graphics stored in the user region of the motion picture codes is registered in the terminal. When the bit map is not registered in the terminal, the bit map data are transmitted to the terminal by a bit map encoder. The terminal reads out bit map codes stored in the user region of the motion picture codes and reproduces the bit map date in a bit map decoder. An optimum encoding can be carried out and a code size can be further compressed.

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J.D. Calvet et al., "Interactive videocommunication evolution", Electrical Communication, 3rd Quarter, Paris, FR, 1994, pp. 281-289.
W. Leo Hoarty, "Multimedia on Cable Television Systems", 18th International Television Symposium and Technical Exhibition, Symposium Record Cable Sessions, Jun. 11, 1993, pp. 555-567.

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