SYSTEM AND METHOD OF PROTECTING CERTAIN TYPES OF MULTIMEDIA DATA TRANSMITTED OVER COMMUNICATION CHANNEL Russian patent published in 2013 - IPC H04N7/26 H03M13/47 

Abstract RU 2491756 C2

FIELD: information technology.

SUBSTANCE: system for protecting interactive audio/video (A/V) stream with short waiting time includes a plurality of servers on which one or more applications are executed. The system also includes a input routing network which receives packet streams from users and routes them to one or more said servers, wherein said streams include user input commands, wherein one or more said servers is configured to calculate A/V data in response to user input commands. Furthermore, the system includes an output routing network which routes streaming compressed A/V data with short waiting time to each user over a corresponding communication channel through a second interface. The system also includes a compressing unit connected to receive A/V data from one or more servers and output therefrom streaming compressed A/V data with short waiting time, and is configured to generate forward error correction (FEC) data for protecting certain parts of the compressed video stream with short waiting time from channel errors.

EFFECT: high protection of data transmitted over a communication channel.

28 cl, 40 dwg

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RU 2 491 756 C2

Authors

Perlman Stefen G.

Van Der Lan Rodzher

Dates

2013-08-27Published

2008-12-04Filed