Text text text display in multiple broadcast television

摘要

this design is the use of multiple broadcast on television, on the TEXT character display, i can't access to the radio channel is the special channel of the tuner in order to (15) and the tuner (15) of the intermediate frequency amplifier of the television in the uc2e0ud638ub97c the television signal in the video signal as the video IF detection module (16) to all the character multiplex broadcasting the tv, the control signal input part (10) of TEXT mode is set, TEXT data detection part (18) in the image (16), the output of the IFubaa8ub4c8 the light signal TEXT detection data from the detection data of the TEXT TEXT data memory (20) in the first stage of storage, andthe control signal input part (10) of a specific page number is selected, the TEXT data memory (20) stored on the channel of the TEXT data to set up the factory, as is a second stage, the TEXT data memory (20) from the venom of the TEXT. data. the buffer (22) from the storage state of the data in the TEXT caption processing part (24) in the signal processing of the third signal and the text in the image IF module (16) from the output of the television video signal to insert the text processing. signal according to the CRT TEXT characters on the tv (30) so as to display the subtitle is the fourth stage of the match.