Motion picture reproducing system by bidirectional...

Details Motion picture reproducing system by bidirectional... Motion picture reproducing system by bidirectional...

H - Electricity

04

N

H04N 7/14 (2006.01) H04N 7/173 (2006.01)

Patent

CA 2171820

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 from 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 is 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 data in a bit map decoder. An optimum encoding can be carried out and a code size can be further compressed.

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