Multimedia broadcast equipment for reducing channel switching period

Abstract

The present invention discloses a multimedia broadcast device which can reduce the channel switch time; the present invention is used for reducing the channel switch time of a user terminal in a multimedia broadcast system; when the channel is switched, the length of the switch frame is confirmed according to the maximum value of the total length of a group of complete data frame which every processing module in the user terminal of the multimedia broadcast system can process independently. The switch frame length is taken as the benchmark, every processing module at the system side aligns the self-processing data frames and arranges a group of data frames which can be processed independently by the corresponding processing modules at the user terminal within one switch frame length. As for the data frame which is output within one switch frame by the former module, the next processing module processes the data frame and outputs the corresponding data frame within one switch frame length. The multimedia broadcast system of the present invention, by aligning the switch frame boundary of every processing module at the system side, can reduce the channel switch time at the user terminal and realize the fast switch of channels.

Description

technical field [0001] The invention relates to the technical field of digital mobile multimedia broadcasting, in particular to a device for reducing channel switching time in the channel switching technology in a multimedia broadcasting system. Background technique [0002] In recent years, digital mobile multimedia broadcasting technologies and standards have developed rapidly, for example, DVB-H (Digital Video Broadcasting Handheld Receiver: Digital Video Broadcast Handheld) in Europe, and MediaFLO (Media Forward Link Only) in the United States , Mobile cellular-based technologies and standards such as BCMCS (Broadcast and Multicast Services: Broadcast and Multicast Services) and BCAST (Broadcast: Broadcast). The digital mobile multimedia broadcasting network provides many service contents for its end users, such as advertisements, weather forecasts, news, sports programs, variety shows, multimedia radio dramas, movies and other program contents, and users can choose the ...

AI Technical Summary

Problems solved by technology

[0010] In the multimedia broadcasting system, the "module switching waiting time" corresponding to the above modules seriously affects the "program channel switching time" of the terminal, causing users to wait for a long time when switching programs

[0011] The main problem of the existing technology is that the switching time is too long which makes it inconvenient for users to switch channels

Images