KR19980031517A - Display bar movement method of VSI system, etc. - Google Patents

Abstract

The present invention relates to a VSI system having a caption function. In the related art, since a caption caption position displayed on a TV screen is arranged at the bottom of the screen in the system having such a function, it overlaps with a display bar that is output during voice adjustment or screen adjustment. This resulted in a problem that the user could not see the screen subtitles during these adjustments.

According to the present invention, the microcomputer 11 or the like of the system checks whether the system is in the adjustment mode and checks whether the OSD adjustment bar is output in these modes, and then the OS D. If the display bar is output, the display bar movement processing method of a VSI system, etc., characterized in that performed by the display bar movement processing program 100 including a processing step of moving the position according to the display bar movement key input of the user. It is.

Description

Display bar movement method of VSI system, etc.

1 is a circuit block diagram extracting the caption character processing unit in the conventional VSI system

2A and 2B are reference diagrams illustrating output waveforms of a caption data slice and a sync separator associated with FIG. 1;

3 is a reference diagram showing an OSD display bar displayed on the conventional TV receiver screen

4 is a system circuit block diagram of the present invention.

5 is an embodiment showing a display bar movement processing program of the present invention;

Figure 6 is a reference diagram showing the position of the OSD display bar of the present invention

** Explanation of Signs of Major Parts of Drawings **

11.Microcomputer 12. Key input

13. Video department 14. OSD department

15. Audio unit 100. Display bar movement processing program

Detailed description of the invention

[Objective of the invention]

[Technical Field to which the Invention belongs and Conventional Technology in the Field]

The present invention relates to a display bar movement processing means for selectively moving the position of the display bar for voice and screen adjustment in a VSI system when playing a caption tape containing caption data or receiving a broadcast. The display bar generated when adjusting the voice and the screen overlaps with the caption at the bottom so that the user can not improve the problem of not reading the caption contents during the voice and screen adjustment.

The caption processing VSI system utilized in the conventional on-screen display function is known from Korean Patent Publication No. 3571, Publication No. 94-2277, the main configuration thereof is shown as FIG.

Here, a buffer unit 2 for buffering a signal input from the luminance and color signal processing unit 1 of the system, a synchronization correction unit 3 for correcting and outputting a horizontal synchronizing signal and a vertical synchronizing signal from the input video signal, A low pass filter 4 for filtering the outputs of the buffer unit 2 and the synchronization correcting units 3 of the video signal horizontal / vertical sync signals is included.

The system also includes a video buffer unit 5 for buffering a video signal generated from the output of the low pass filter unit 4, and a 21st horizontal synchronization in which caption data is loaded from the output signal of the video buffer unit 5; A line selector 6 buffering the signal section, and a data slicer and a sync separator for detecting and decoding caption data from the 21st horizontal sync signal selected from the signal output therefrom and separating vertical sync and horizontal sync ( 7), a character generator 9 for outputting a character control signal according to the caption data generated therefrom, and a memory unit for outputting character data stored in advance according to the character control signal outputted from the character generator 9 (10), the caption control unit (11) for receiving the character data output from the memory unit (10) and controlling the displayed character size, display position, and the like, and output from the buffer unit (2) Includes a signal synthesizing section 8 for synthesizing a video signal and a text data signal.

The system also selects and outputs a composite signal buffer unit 12 for buffering the signal output from the signal synthesizing unit 8, and an on-screen display signal and a video signal outputted from the synthesized signal buffer unit 12. And a signal modulator 14 for modulating the video signal from the output of the switch 13 and providing it to the TV receiver 15 side.

In such a conventional system, the luminance and color signals are provided to the signal synthesizing unit 8 via the buffer unit 2 and the synchronizing correcting unit 3, and on the other hand, the buffer unit 2 and the synchronizing correcting unit 3 → It is processed by the system of the low pass filter 4, the video buffer 5, the data slicer, and the synchronization separator 7.

At this time, the line selector 6 selects the 21st horizontal retrace time of one field in which the caption data CD is loaded as shown in FIG. 2A, and the data slice and sync separator 7 is connected to the line selector 6. The caption data contained in the 21st line of the horizontal retrace of the selected video signal is detected and converted into digital data as shown in FIG. 2B.

The converted digital data is converted into a signal suitable for outputting a character stored in the memory unit 10 by the character generator 9 to output a caption (character) in the memory unit 10.

The character data output from the memory unit 10 is input to the caption control unit 11 and output as window data and caption data for determining a display position and a window size on the screen, which is output from the signal synthesis unit 8 to the buffer unit. After being synthesized with the video signal of (2), it is provided to the TV receiver 15 through the video buffer unit 12, the switching unit 13, the modulator 14, and the like to display the caption display on the screen.

In addition, in the related art, the caption contents as described above are displayed at the bottom of the screen of the TV receiver 15 to help the user understand the program contents while viewing the screen and the caption caption.

On the other hand, in the image output device having a caption function as described above, when performing a volume or screen adjustment (contrast / chromaticity / brightness) for adjusting the audio, the display bar was also output at the bottom of the screen through the OS.

However, in such a conventional system, the caption position is designed to be positioned at the bottom of the screen, and the display bar displayed at the time of user's voice control or screen adjustment is also displayed at the bottom of the screen as shown in FIG. The user has caused a problem that the subtitles cannot be viewed while the screen adjustment is performed.

An object of the present invention can be selected such that the display bar for voice and screen adjustment in the VSI system to be displayed on the left or right side according to the user's intention during the voice and screen adjustment to actively exclude the phenomenon that the subtitles are covered during viewing. will be.

In order to realize the object of the above example, the present invention checks whether the voice adjustment mode or the screen adjustment mode is used in such a system, and checks whether the OSD adjustment bar is output in these modes, and then the ODS display bar If it is output, the display bar movement processing method of the VSI system performed by the display bar movement processing program includes a processing step of moving the position according to the display bar movement key input of the user.

Hereinafter, by referring to this in more detail with the accompanying drawings will be understood more specific features of the present invention.

Composition and Action of the Invention

That is, Figure 4 shows an excerpt of the system circuit block related to the present invention.

Here, the system microcomputer 11 of VSIAL, the audio unit 15 and the video unit 13 operating under the control of the microcomputer 11, and the caption or display on the TV receiver under the control of the microcomputer 11 are shown. An OS portion 14 for displaying a bar and the like, and a key input portion 12 such as a remote control transmitter and the like are included.

The microcomputer 11 or the like is provided with a display bar movement processing program 100 as shown in FIG.

Here, the system checks whether the system is in the adjustment mode, and in these modes, checks whether the OSD adjustment bar is output, and if there is an OSD display bar, a process of moving the position according to the input of the display bar movement key of the user. It is included.

In addition, the display bar movement processing program 100 checks whether the system is in the audio control mode (step 101). In the audio mode, the display bar movement processing program 100 checks whether there is an OSD adjustment display bar output (step 102). (Step 106).

If the output of the screen adjustment display bar is selected in step 106, the OSD display bar screen is displayed (step 103).

Thereafter, the user checks whether there is a left shift key input for moving the display bar through the key input unit 12 such as a remote control transmitter (step 104), and if there is a left shift key input, the ODS display bar is arrayed to the left (step 105). In step 104, when there is no left shift key input, it checks whether the right shift key is input (step 107), and if there is a right shift key input, the OS display bar is arranged to the right.

In addition, the above-described operation of moving the display bar by the user may include a process of arranging the display bar upward.

4 and 5, the video signal generated in the VSI system outputs a screen including caption captions through the TV receiver.

The user may increase or decrease the voice signal by using an up / down key input of the key input unit 12 when the voice signal is weak or large while watching the screen through the TV receiver.

When performing the above operation, the display bar for voice adjustment as shown in FIG. 3 is displayed at the bottom of the screen in the system.

In addition, a subtitle appears with a display bar at the bottom of the screen, and the subtitle is hidden under the display bar so that the subtitle cannot be viewed by the user.

At this time, when the user wants to move the display bar to the left or right, the microcomputer 11 recognizes this when the user presses the left moving key or the right moving key through the key input unit 12, and the display displayed through the OS unit 14 is displayed. Bar positions are arranged left or right as shown in FIG.

Therefore, the user can perform a voice adjusting operation while not missing a normal program screen subtitle.

The display bar movement operation as described above can also be applied to screen adjustment.

In adjusting the screen, when adjusting the screen contrast, screen brightness, screen chromaticity, etc., the display bar as shown in FIG. 3 is output.

The display bar output as described above can be displayed on the upper side of the screen if necessary.

Meanwhile, the display bar moving operation as described above is performed by the microcomputer 911 with the display bar moving processing program 100 of FIG. 5, which checks whether the microcomputer 11 is in the voice control mode in the system. In the mode, it is checked whether there is an OSD adjustment bar output.

If the output of the screen adjustment display bar is selected, the OS display bar screen is displayed. Then, the user checks whether there is a left shift key input for moving the display bar through the key input unit 12 such as a remote control transmitter, and then the left shift key. If there is an input, the OS display bar is displayed on the left side, and if there is no left move key input, it is checked whether it is the right move key, and if there is a right move key input, the OS display bar is displayed on the right side (steps 103 to 105). , 107,108).

[Effects of the Invention]

In the present invention, since the user can selectively move the position of the display bar displayed on the screen when the voice adjustment or the screen adjustment does not overlap with the caption function in the VSI system having the caption function, the subtitle at the time of the user's voice and screen adjustment. This invisible phenomenon can be actively excluded.

Claims (3)

In the method of outputting the display bar by the OSD in the VSI system having the caption function, the microcomputer 11 of the system checks whether the system is in the adjustment mode, and in the case of these modes, the OSD adjustment display bar is outputted. And a display bar movement processing program (100) which includes a step of checking whether or not the image is displayed, and a process of moving the position according to the input of the display bar movement key of the user if the OS display bar is output thereafter. Display bar movement processing method such as system 2. The display bar movement processing program 100 checks whether the system is in the voice control mode (step 101), and in the voice mode, checks whether there is an OSD adjustment bar output (step 102). Check if the screen adjustment mode is selected (step 106), and if the output of the screen adjustment bar is selected in step 106, the OSD display bar screen is displayed (step 103), and then the user inputs a key input unit 12 such as a remote control transmitter. Check whether there is a left shift key input for moving the display bar (Step 104), and if there is a left shift key input, the ODS display bar is arranged to the left (step 105), and when there is no left shift key input in step 104, the right shift Check that the key is applied (step 107), and if there is a right shift key input, it has a series of processes for arranging the ODS display bar to the right. Display bar movement processing method such as ISAL system 3. The display bar movement process of claim 2, wherein the display bar movement processing program 100 includes a process of arranging the display bars upward when the display bar movement operation is performed by the user. Way