Channel switching method and set top box (STB)

Abstract

The embodiment of the invention discloses a channel switching method. The method comprises the following steps: when receiving channel retrieval key value information of a remote control, searching a preset channel index table for channel names corresponding to the letters and numerals in the channel retrieval key value information; when the channel names corresponding to the letters and numerals in the channel retrieval key value information are searched, displaying the letters and numerals in the channel retrieval key value information as well as the searched channel names; and if receiving the key value information of selecting the target channel name in the searched channel names and the key value information of confirming switching from the remote control, switching the current channel to the channel corresponding to the selected target channel name. The embodiment of the invention also discloses a set top box (STB). By adopting the channel switching method and the STB, users can rapidly and accurately position the target channel, and the convenient STB operation service is provided.

Description

technical field [0001] The invention relates to the field of television, in particular to a channel switching method and a set-top box. Background technique [0002] In the past ten years of rapid development of digital TV technology, set-top boxes (digital TV receivers, referred to as set-top boxes) have become popular in China. Now it is nothing new for ordinary people to watch digital TV programs through set-top boxes at home. It can only transmit dozens of sets of TV programs. Digital TV signals can transmit two, three hundred or even more, clearer video and audio programs. With the opening of high-definition and some personalized channels, rich and colorful video and audio programs It can be said that the needs of different audience groups for TV programs are met. [0003] In the era when traditional analog TV signals transmitted programs, the TV at home of the user usually could only watch 30 or 40 fixed programs. By switching the TV remote control a few times, you ca...

AI Technical Summary

Problems solved by technology

[0005] The disadvantages of the above-mentioned prior art are: for (1), if the user does not know the channel number, he cannot accurately switch to the designated channel; The channel you watch is very inefficient while the TV screen is constantly flashing; for (3), the efficiency of searching for the specified channel has been improved. Taking the 200 channels mentioned above as an example, the user must first Enter all the channel lists, and then keep flipping and switching to find channel 100. Obviously, this method does not achieve smart and fast results; for (4), it is only refining and setting some specific channel lists. The scope of program search is narrowed. When searching for the target channel, first enter the specified list, and then search for the specified channel from the list. This requires the user to master the method of setting the specific channel list in the set-top box, and to list the frequently watched and favorite channels. channel is added to the list, but if the channel the user wants to watch is not in the list, this method has no effect

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