BILDUNTERSCHRIFT-ANZEIGEVERFAHREN UND VIDEOKONTROLKOMMUNIKATIONSSYSTEM

摘要

A caption display method in a video communication includes the following steps. A video communication is established. Speech signals of a speaker are recognized and converted to text signals. The text signals and picture video signals that need to be received by and displayed to other conference participators are superposed and encoded, and are sent through the video communication. A video communication system and device are also described. Users directly decode display pictures and character information corresponding to a speech. The method is simple, and a real-time performance is high.