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Closed caption display method and TV set
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A technology of closed captions and display methods, which is applied to TVs, color TVs, and parts of color TVs to achieve the effects of convenient viewing, improved experience, and reduced operational complexity
Active Publication Date: 2014-05-07
SHENZHEN SKYWORTH RGB ELECTRONICS CO LTD
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[0004] The embodiment of the present invention provides a closed caption display method, which aims to solve the problem that the existing method cannot display the muted OSD and closed caption at the same time
Method used
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Embodiment 1
[0047] figure 1 The flow chart of the closed caption display method provided by the first embodiment of the present invention is shown, and the details are as follows:
[0048] Step S11, determine whether the first mute flag of the TV is turned on, and the first mute character corresponding to the first mute flag is the original mute character of the TV, if so, execute step S12, otherwise, execute step S13.
[0049] In this embodiment, the first mute character corresponding to the first mute sign is the original mute character of the TV set. Due to the particularity of the first mute character, the first mute character is usually displayed larger, generally at least Displayed on two lines. Assuming that the first mute sign is represented by Mute_flag, then If(Mute_flag==Mute on) means to judge whether the first mute sign of the TV is turned on, if it is turned on, it means that the TV is in a mute state, otherwise, it means that the TV is not in a mute state .
[0050] In ...
Embodiment 2
[0079] Figure 4 The structure of the television set provided by the second embodiment of the present invention and adopting the closed caption display method of the first embodiment is shown. For the convenience of description, only the parts related to the embodiment of the present invention are shown.
[0080] in:
[0081] The first mute flag opening judging unit 41 is used to judge whether the first mute flag of the TV is turned on, and the first mute character corresponding to the first mute flag is the original mute character of the TV.
[0082] In this embodiment, the first mute character corresponding to the first mute sign is the original mute character of the TV. If the first mute sign is turned on, it means that the TV is in a mute state; otherwise, it means that the TV is not in a mute state.
[0083] The CC flag on judging unit 42 is configured to judge whether the closed caption CC flag of the TV is on when it is judged that the first mute flag is on.
[0084]...
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Abstract
The invention is applicable to the field of TV sets and provides a closed caption display method and a TV set. The method comprises the following steps: judging whether a first mute sign of a TV set is actuated, with a first mute character corresponding to the first mute sign being the original mute character of the TV set; when the first mute sign is actuated, judging whether a closed caption (CC) sign of the TV set is actuated; if the CC sign is actuated, judging whether a second mute sign of the TV set is actuated, with a second mute character corresponding to the second mute sign being the mute character pre-stored in the TV set; if the second mute sign is not actuated, actuating the second mute sign and setting the display duration of the first mute character; when the preset duration expires, erasing the first mute character; loading and displaying the second mute sign and simultaneously initializing the color table register and character string register of the CC to display the corresponding CC information. The embodiment of the invention improves the user's favorable experience.
Description
technical field [0001] The invention belongs to the field of televisions, and in particular relates to a display method of closed subtitles and a television. Background technique [0002] With the continuous improvement of people's living standards in the world, people's demand for TV is also increasing, especially in South America represented by Brazil and Argentina, which has a huge TV market. In the TV signals in South America, it is necessary to add Close Caption (CC) information, and the CC subtitles corresponding to the CC information are text versions explaining TV, movies and computer images. Through CC subtitles, people with hearing impairment can know the plot of TV and movies, and people without hearing impairment can also know the plot of TV and movies in a noisy environment. [0003] The CC information is encoded in the 21-line TV signal of the vertical blanking interval (Vertical Blanking Interval, VBI). The TV chip reads the CC information from the 21 lines ...
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Application Information
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