JPH06225174A - Method and apparatus for controlling caption display - Google Patents

Abstract

PURPOSE: To view two subtitles at the same time by freely moving the positions of the subtitles displayed on a screen and displaying the subtitle dubbed in the language of one country and the subtitle obtained by processing a script of a foreign language on the screen so that they do not overlap with each other. CONSTITUTION: A subtitle movement control part 43 counts how many times a user operates a subtitle selection key selected at a remote control transmission part 21 and applies the count as position information to a subtitle position judgement part 44. The judgement part 44 supplies line information on a displayed subtitle and the input frequency of the subtitle movement selection key counted and outputted by the control part 43 to a decoder part 42. The decoder part 42 decodes the inputted subtitle signal to interpret control data needed to display the subtitle on the screen and character data to be displayed on the screen. Then position information of the control data is moved to position information supplied from the judgement part 44 and the moved position information is additionally moved with line information to determine the position of the subtitle to be displayed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to all video processing systems in which a caption processing device is installed. More specifically, the position of the caption displayed on the screen can be freely moved to maximize the visible area of the video signal. The present invention relates to a caption display control device and a control method thereof, which can be secured in the storage device and can store the position of the caption set by the user.

[0002]

2. Description of the Related Art In a general video processing system, caption processing is performed by decoding character data placed on the 21st line of the radix field of a video signal to display a screen of a monitor of a video processing system such as a television or a VCR. It is done by displaying it at a specific position above.

That is, when distributing a videotape produced in a foreign country to a home country, the lines translated into the native language should be dubbed and displayed on the monitor screen in order to help the viewers of the home country to understand. is there. For example, a video tape produced in English is subtitled in Japanese. In such a video tape directly dubbed in Japanese, the viewer cannot arbitrarily select whether or not to display the dubbed subtitle, and such a subtitle is called an open caption (Open Caption).

On the other hand, the 21st field of the radix field of the video signal
The original English dialogue encoded in the line is decoded and the closed caption (Closed C) is applied to the subtitles displayed on the screen according to the user's selection.
option). That is, in the caption processing, the dialogue encoded in the 21st line of the radix field of the video signal is displayed at the specified position on the screen, so that the caption is normally displayed within 4 lines on the screen equally divided into 15 lines. .

As shown in FIG. 1, a conventional subtitle display control apparatus includes a remote control transmitter 1 for generating signals for executing a mode corresponding to signals of various keys of a video processing system.
A remote controller receiver 2 for receiving a mode signal remotely transmitted from the remote controller transmitter 1, and a microprocessor for outputting a control signal for executing a mode corresponding to the mode signal received by the remote controller receiver 2. 3 and
A screen that receives a control signal output from the microprocessor 3 and extracts a caption signal included in a video signal, decodes the extracted caption signal, and is instructed by control data of the decoded caption signal. It is composed of a caption processing unit 4 for displaying the character data of the caption signal in the position of the subtitle, and a monitor 5 for displaying the characters output from the caption processing unit 4 on the screen.

Here, the caption processing unit 4 includes a caption signal extraction unit 11 for extracting a caption signal placed on a designated line of a video signal, and a caption signal extracted from the caption signal extraction unit 11. Is decoded, and the decoder unit 12 that decodes the control data necessary for displaying the subtitles, such as the position information for displaying the subtitles and the attribute information indicating the form in which the subtitles are displayed, and the data displayed in the subtitles, It comprises an on-screen display unit 13 for displaying character data on the screen of the monitor 5 as subtitles according to the control data output from the decoder unit 12.

The operation of the conventional subtitle display control device thus configured will be described in detail with reference to FIGS. 1 to 3 of the accompanying drawings. First, when a user inputs a subtitle selection key signal, a mode signal corresponding to the subtitle selection key signal is output through the remote control transmission unit 1, and the output mode signal is received by the remote control reception unit 2. It

Then, the received mode signal is input to the microprocessor 3, a control signal for executing a mode corresponding to this mode signal is output, and the output signal is applied to the caption processing unit 4. . That is, the caption signal extraction unit 11 of the caption processing unit 4 that receives the control signal output from the microprocessor 3 extracts the caption signal on line 21 from the input video signal, and the extracted caption signal is extracted. The caption signal is decoded by the decoder unit 12, and from the control data in the caption signal,
Location information and indent (inden) where subtitles are displayed
t), the character display format and the like are decoded, and the character data displayed in the caption is decoded, and a control signal that causes the character data to be displayed is output according to the control data.

The control signal thus output from the decoder section 12 is applied to the on-screen display section 13, and the character data displayed on the screen is processed so as to be displayed on the screen of the monitor 5, and this processed. The character data is displayed on the screen as shown in FIG. Usually subtitles are
As shown in FIG. 2A, 15 lines of the screen (L1 to L
15) is displayed from the 12th line (L12) to the 15th line (L15), or as shown in FIG. 2B, from the 1st line (L1) to the 4th line (L4) Is displayed.

If the displayed character data consists of two lines, the 12th line (L12) is displayed as shown in FIG.
Subtitles are displayed on the 14th line (L14) and the 15th line (L15) rather than on the 13th line (L13), and as shown in FIG. 2B, the 3rd line (L3) and the 4th line ( Subtitles are displayed on the first line (L1) and the second line (L2) rather than L4).

At this time, the subtitle characters are displayed in white or blue, and the background of the characters is processed into a black or blue box shape. That is, only the portion where the subtitle characters are displayed is processed in black or blue, and the remaining portion is processed so that the original video signal can be seen. On the other hand, in a conventional caption display control device having a caption moving key that can freely select the position where the caption is displayed, a mode signal corresponding to the signal of the caption moving selection key selected by the remote control transmitter 1 is output, This output mode signal is used by the remote control receiver 2
The microprocessor 3 outputs a control signal for executing the subtitle movement corresponding to the received mode signal.

In the output control signal, the position of the caption currently displayed on the screen by the caption processing unit 4 is shown in FIG.
It will move as shown in (E). That is, FIG.
FIG. 3A shows a screen on which a general video signal is displayed, and FIG.
FIG. 3B shows a caption in which only the portion where characters appear is background processed, FIG. 3C shows a caption in which all lines where characters appear are background processed, and FIG. 3D shows FIG. 3C. The subtitle shown in Fig. 3 shows the extended subtitle, and Fig. 3 (E) shows the subtitle displayed on the entire screen.

As described above, in the caption control device having the caption movement selection key, captions displayed on the 12th to 15th lines of the screen are moved to the 1st and 4th lines and displayed. At this time, if the subtitle is composed of two lines of text, the position of the displayed subtitle is simply moved, so the first line and the second line on the screen remain blank,
Subtitles are displayed on the third and fourth lines.

[0014]

However, in the conventional subtitle display control device shown in FIG. 2, when the subtitles are displayed from the 12th line to the 15th line on the screen, the subtitles are dubbed in their own language. It is difficult to distinguish between the two subtitles because the two subtitles are overlapped and displayed. On the other hand, as shown in FIG. 3, in the subtitle display control device having the subtitle movement selection key, the visible region of the video signal that can be actually viewed is reduced due to the blank line. In addition, there is a problem in that the position of the displayed subtitle should be set again every time the image system such as a television or a VCR is operated without storing the moved position of the subtitle.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to solve the above-mentioned conventional problems, and to provide a caption display control device and a control method therefor capable of moving captions freely by a user's selection. is there. Another object of the present invention is to provide a caption display control device and a control method thereof that can secure the maximum visible region of the original video signal.

Still another object of the present invention is to provide a caption display control device and a control method thereof, which can display a caption at a position of a previously displayed caption by storing position information of the moved caption. Especially.

[0017]

According to the present invention for achieving the above object, a remote control transmission for outputting a mode signal corresponding to a subtitle moving key selected to move the position of a displayed subtitle. Section, a receiving section for receiving a mode signal output from the remote control transmitting section, a microprocessor for outputting a control signal for executing a mode corresponding to the mode signal output from the remote control receiving section, and the microprocessor. The caption signal is extracted from the input video signal by the control signal supplied from the processor, the extracted caption signal is decoded, and the position information included in the control data of the caption signal is transmitted from the remote control transmitter. A subtitle processing unit that moves to position information corresponding to the supplied mode signal, and a monitor that displays subtitles output from the subtitle processing unit. Providing composed subtitle display control device and a chromatography.

Further, according to the present invention, the position information for displaying the caption is decoded from the caption signal extracted from the input video signal, and it is determined whether the user inputs the signal of the caption movement selection key. The first process and the first
When the subtitle move key is input in the process, the user is informed that the position information decoded in the first process is moved to the position information determined by the number of times the signal of the subtitle move selection key is input. A subtitle display control method comprising two steps and a third step of displaying subtitles according to the position information moved in the second step.

[0019]

Embodiments of the present invention will now be described in detail with reference to the accompanying drawings. As shown in FIG. 4, the subtitle display control device according to the present invention includes a remote control transmission unit 21 that generates a mode signal for executing a mode corresponding to various keys of the video processing system, and a remote transmission from the remote control transmission unit 21. The remote control receiving unit 22 for receiving the selected mode signal, the microprocessor 23 for outputting the control for executing the mode corresponding to the mode signal received by the remote control receiving unit 22, and the microprocessor 23 for outputting the control. Upon receiving the control signal, the caption signal included in the video signal is extracted, the extracted caption signal is decoded, and the position information of the screen indicated by the control data of the decoded caption signal is output from the remote control transmitter 21. Converted to position information determined by the number of times the supplied subtitle move selection key signal is input, A subtitle processing unit 24 for outputting the positional information to be moved and character data, and a monitor 25 for displaying characters to be outputted from the subtitle processing unit 4 to the screen.

Here, the caption processing unit 24 extracts a caption signal extracting unit 41 for extracting a caption signal placed on a designated line of a video signal and a caption signal output from the caption signal extracting unit 41. Decoding, decoding the control data necessary for displaying the subtitles such as the position information of the subtitles and the attribute information indicating the form of the subtitles and the character data displayed in the subtitles, and decoding this A decoder unit 42 for converting position information of the control data thus generated into position information determined according to the number of times the subtitle movement selection key signal supplied from the remote control transmission unit 21 is input, and outputting the position information.
From the subtitle movement control unit 43, which counts the number of times the signal of the subtitle movement selection key supplied from the remote control transmission unit 21 is input and outputs it as position information of the subtitle to be moved, and the subtitle movement control unit 43. The subtitle position determination unit 44 which detects the output position information and the number of lines of the character data currently displayed on the screen and supplies it to the decoder unit 42
And the position information supplied from the subtitle position determination unit 44 and the number of lines on which characters are displayed to move the subtitles currently displayed on the screen to the moved position information, thereby changing the visible region of the video signal. The position information supplied from the caption movement control unit 43 is additionally moved according to the number of lines in the moved subtitles in order to secure the maximum, and the position information output from the decoder unit 42 that determines the subtitle position information is received, A start line designating section 45 for designating a start line of a subtitle to be displayed on the screen from this position information and outputting a control signal for displaying the subtitle from this start line; and outputting from the start line designating section 45. An on-screen display unit 46 that receives the control signal to process the input character data and outputs the processed character data so that the processed character data is displayed on the screen of the monitor 25. Composed of reservoir 47. for storing position information determined by the serial decoder 42.

The operation of the subtitle display control apparatus and the control method thereof according to the present invention thus configured will be described in detail with reference to FIGS. 4 to 11. First, when the dialogue dubbed in the native language and the foreign language are simultaneously displayed on the screen as subtitles, the process of moving one subtitle will be described with reference to FIGS. 5, 6 to 7.
It will be described based on.

When the user inputs the signal of the subtitle movement selection key set in the remote control transmission unit 21, the remote control transmission unit 21 outputs a mode signal corresponding to the signal of the selected subtitle movement selection key. The output mode signal is transmitted remotely and received by the remote control receiver 22. According to the received mode signal, the microprocessor 23 outputs a control signal corresponding to the mode signal for executing a caption movement mode, and the control signal is applied to the caption movement control unit 43 of the caption processing unit 24. .

Then, the subtitle movement control unit 43 counts the number of times the signal of the subtitle selection key selected by the user is input, and the counted number is sent to the subtitle position determination unit 44 as position information to be moved. Is applied. The subtitle position determination unit 44 detects line information indicating the number of lines on which the characters of the subtitle currently displayed on the screen are displayed, and the detected line information and the subtitle movement control unit 43 count the lines. The number of times the signal of the output subtitle movement selection key is input is the decoder unit 42
Is supplied to.

The line information is extracted by detecting the preamble code included in the character data of the caption signal in order to represent the beginning of the line on which the character is displayed. At this time, from the input video signal, the subtitle processing unit 2
By the subtitle signal extraction unit 41 of No. 4, the 21st
The caption signal placed on the line is extracted, and the extracted caption signal is applied to the decoder unit 42.

The decoder unit 42 decodes the input caption signal, and detects the position information of the caption displayed on the screen in the caption signal, the attribute information indicating the display form, the indent information, and the like. The control data necessary to display this subtitle on the screen and the character data actually displayed on the screen are interpreted. In the interpreted control data, the position information is the subtitle position determination unit 4
4 is moved to the position information supplied from No. 4, and the moved position information is additionally moved by the line information to determine the position of the subtitle to be displayed.

The position information thus determined by the decoder unit 42 is converted by the start line designating unit 45 into the start line of the caption displayed on the screen, and the characters of the caption are displayed from this converted start line. A control signal that causes the output is output. Then, the control signal output from the start line designating unit 45 is supplied to the on-screen display unit 46, and the character data that should be displayed on the screen of the subtitle signal is processed. It is output through the screen of the monitor 25.

The position information determined by the decoder 42 is applied to and stored in the storage unit 47. When the caption that has been moved is to be moved again, the position information and the caption position stored in the storage unit 47 are stored. The position information of the caption to be moved is determined using the line information supplied from the determination unit 44. The above process will be described in more detail as an example. First, as shown in FIGS.
It is assumed that the screen is divided into 15 lines and subtitles of 4 lines are displayed, and that the user inputs the up key signal of the subtitle movement selection keys 11 times.

Of the subtitle movement selection keys, the 11 times the up key signal is input is input to the subtitle movement control unit 43 and counted, and the counted 11 times is the subtitle to be moved. Is applied to the subtitle position determination unit 44 as the position information. Then, in the subtitle position determination unit 44, as shown in FIG. 6A, the position information of the 12th and 15th lines on the screen and the two line information are detected, and the detected two line information are detected. Of the subtitle move selection keys, the up key signal was input 1
The number of times of one time is applied to the decoder unit 42.

On the other hand, the subtitle signal extracted from the input video signal by the subtitle signal extracting section 41 and transmitted on the 21st line of the video signal is extracted by the decoder section 42 from the extracted subtitle signal. The position information of the displayed subtitles is interpreted. Normally, this position information is from the 12th line to the 15th line of the screen, as shown in FIG.
Up to the line.

Then, the 12th line and 15th input
The position information of the line is moved 11 lines upward on the screen, and the determined position information of the first line and the fourth line is output as shown in FIG. 7 (A). At this time, since there is no character data displayed on the screen for the first line and the second line, the position information additionally moved above the two lines is output according to the line information of the two lines, and the actual subtitles are output. Is displayed on the first and second lines of the screen.

The position information determined by the decoder unit 42 is designated by the start line designation unit 45 as a start line on which the subtitles are displayed on the screen, and the subtitle dialogue is displayed from the designated start line. A control signal for performing the operation is output, and the character processed by the on-screen display unit 46 is displayed on the screen of the monitor 25 by the control signal as shown in FIG. 6B.

If the user inputs the up key signal 9 times among the subtitle selection keys, the subtitles displayed on the 12th and 15th lines of the screen shown in FIG. The characters of the actual subtitles, which correspond to the 3rd line and the 6th line, are displayed on the 3rd line and the 4th line by moving the 5th line and the 6th line where the character is displayed upward by 2 lines according to the 2nd line information. .

That is, if the position information of the moved subtitle is between the first line and the eighth line of the screen, the subtitle as shown in FIG. 6 (C) has characters from the first line of the moved subtitle. It is controlled to be displayed and displayed on the screen as shown in FIG. 7 (A), and when it is between the 9th line and the 15th line, the caption as shown in FIG. 7 (B) moves. It is controlled so that the display of the character is terminated at the final line of the generated subtitle, and is displayed on the screen as shown in FIG. 7C.
Therefore, since the subtitle space is removed, the maximum visible area of the video signal can be secured.

On the other hand, a caption as shown in FIG. 6 (B) is displayed by moving one line below the screen every time the user inputs a signal of the down key among the caption moving keys. To be done. As described above, the subtitle display control device and the control method thereof according to the present invention are capable of freely moving the position of the subtitle displayed on the screen according to the user's selection, and subtitles dubbed in the native language and the dialogue of the foreign language. The two subtitles can be viewed at the same time by displaying them on the screen so that they do not overlap the processed subtitles, and the position of the moved subtitles can be adjusted according to the number of lines of character data actually displayed on the screen. The additional visible area of the video signal can be ensured by additional movement.

In the second embodiment of the subtitle display control method according to the present invention, as shown in FIG. 8, when the user inputs an up key signal of the subtitle selection moving keys of the remote control transmitting unit 21, the screen is displayed. The movement control unit 43 is preset so that the subtitles are displayed from the first line and the subtitles are displayed from the twelfth line of the screen when the down key signal is input.

Therefore, when the signal of the subtitle selection key is input by the user, the mode corresponding to the input signal of the subtitle movement selection key is output from the remote control transmitting unit 21, and the transmitted mode signal is the remote control. It is received by the receiving unit 22. At this time, the mode signal received by the remote controller receiver 22 is applied to the microprocessor 23, and the mode signal corresponding to the input subtitle selection key is output from the remote controller transmitter 21. Is received by the remote control receiver 22.

That is, in the subtitle movement control unit 43, when the subtitle movement selection key is selected by the user, the preset positional information is output to the subtitle movement control unit 43. For example, when the user inputs the signal of the up key of the subtitle movement selection keys to move the subtitle displayed on the 12th line of the screen, the subtitle movement control unit 43 presets the input up key. The position information of the generated sixth line is output.

The position information output from the subtitle movement control unit 43 and the subtitle position determination unit 44 supply the positional information.
The line information of the subtitle characters currently displayed on the screen is applied to the decoder unit 42. On the other hand, the caption signal included in the 21st line of the video signal input by the caption signal extraction unit 41 of the caption processing unit 24 is extracted, and the extracted caption signal is applied to the decoder unit 42.

The caption signal applied to the decoder unit 42 is decoded to interpret the position information and indent information of the control data and the attribute information indicating the display form and to display the character data actually displayed on the screen. To interpret. The position information of the control data is converted by the decoder 42 into the position information supplied from the subtitle position determination unit 44, and the converted position information is additionally moved by the line information supplied from the subtitle position determination unit 44. Then, the actual character data is output as the displayed position information.

Based on the position information output from the decoder 42, the start line designating section 45 designates the start line of the subtitle corresponding to this position information, and a control signal for displaying the subtitle on the designated start line. Is output,
The output control signal is applied to the on-screen display unit 46 to process the character data that should be displayed on the actual screen.

The subtitle character data processed by the on-screen display section 46 is displayed on the screen of the monitor 25. The above process will be described in more detail with reference to an example. First, as shown in FIG. 9A, the user moves the subtitles displayed on the 12th to 15th lines of the screen to move the subtitles. When the signal of the up key of the movement selection keys is input, the subtitle movement control unit 43 moves the preset subtitle movement selection key from the sixth line to the ninth line by the input subtitle movement selection key signal. The position information is output, and the subtitle is displayed on the sixth line to the ninth line as shown in the ninth line (B) by the output position information.

Then, the moved position information is stored in the storage unit 47, and when the user inputs the signal of the up key of the subtitle movement selection keys again, the storage unit 47 is stored.
The position information stored in the subtitle is output in place of the preset position information in the subtitle movement control unit 43. That is, the subtitles displayed on the sixth line to the ninth line of the screen are moved from the first line to the fourth line and displayed on the screen as shown in FIG. 9C.

On the other hand, when the user inputs the signal of the down key of the movement selection keys, the subtitles stored in the storage unit 47 displayed on the 6th line to the 9th line are displayed on the 12th line to the 12th line. Moved up to line 15
It is displayed as shown in (A). That is, every time the user inputs the signal of the up key of the subtitle movement selection keys, the subtitles are cyclically moved upward on the screen of the monitor in three steps, and when the signal of the down key is input, the screen of the monitor is displayed. The subtitles are circularly moved downward in three steps.

FIG. 10 (A) is a screen in which the caption is displayed on the entire screen, and FIG. 10 (B) is a screen in which the caption shown in FIG. 9 (C) is expanded. FIG. 11 is a flow chart showing the operation process of the third embodiment of the subtitle display control method according to the present invention. When supplied to the video processing system, the position information stored in the storage unit 47 is initialized and the video signal is viewed. When the user inputs a signal of the subtitle movement selection key, the position information of the currently displayed subtitle is changed and the subtitle is displayed on the screen of the monitor 25, and the changed position information is stored in the storage unit 47.
Stored in.

Then, when the user turns off the power of the video processing system or outputs another mode signal from the remote control transmitting section 21 while viewing the video signal and the subtitles, the selected mode is changed. To be executed. After that, when the user again receives the video signal and the mode signal for trying to view the caption, the remote controller transmitting unit 41 receives the position information of the previous caption stored in the storage unit 47. Subtitles are displayed on the screen.

That is, when the video processing system is a television and the channel is changed while the input video signal and subtitles are being viewed and then the channel is selected again, the subtitles previously displayed on the screen are changed. Since the subtitle is displayed at the position, it is not necessary to set the position where the subtitle is displayed each time.

[0047]

As described above, according to the present invention, the position of the subtitles displayed on the screen can be freely moved according to the user's selection so that the subtitles dubbed in the native language and the speech in the foreign language are processed. By displaying the subtitles on the screen so that they do not overlap, the two subtitles can be viewed at the same time, and the position of the moved subtitles is additionally moved according to the number of lines of character data actually displayed on the screen. By doing so, the visible region of the video signal can be secured to the maximum, and by storing this moved position information, it is not necessary to set the position of the subtitle each time, so there is an effect that the operation is simple.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a conventional subtitle display control device.

FIG. 2 is a state diagram (A) and (B) showing captions displayed on a screen when a signal of a caption selection key in a conventional caption display control device is input.

FIG. 3 is a state diagram (A) to (E) showing captions displayed on a screen when a signal of a caption movement selection key is input in a caption display control device having a conventional caption movement selection key.

FIG. 4 is a block diagram showing a configuration of a caption display control device according to the present invention.

FIG. 5 is a flowchart showing an operation process of the first embodiment of the subtitle display control method according to the present invention.

FIG. 6 is a state diagram (A) to (C) (part 1) showing subtitles displayed on the screen according to the first embodiment of the subtitle processing control process of the present invention.

FIG. 7 is a state diagram (A) to (C) (part 2) showing subtitles displayed on the screen according to the first embodiment of the subtitle processing control process of the present invention.

FIG. 8 is a flowchart showing an operation process of the second embodiment of the caption processing control process according to the present invention.

FIG. 9 is a state diagram (A) to (C) showing subtitles displayed on the screen according to the second embodiment of the subtitle processing control process according to the present invention.
(Part 1).

FIG. 10 is a state diagram (A) showing subtitles displayed on the screen according to the second embodiment of the subtitle processing control process according to the present invention;
(B) (Part 2).

FIG. 11 is an operational flowchart showing a third embodiment of the subtitle processing control process according to the present invention.

[Explanation of symbols]

 21 ... Remote control transmission unit 22 ... Remote control reception unit 23 ... Microprocessor 24 ... Subtitle processing unit 25 ... Monitor 41 ... Subtitle signal extraction unit 42 ... Decoder unit 43 ... Subtitle movement control unit 44 ... Subtitle position determination unit 45 ... Start line designation unit 46 ... On-screen display section 47 ... Storage section

Claims (12)

[Claims] 1. A remote control transmission unit that outputs a mode signal corresponding to a subtitle movement key for moving the position of the displayed subtitle, and a remote control reception unit that receives the mode signal output from the remote control transmission unit. A microprocessor that outputs a control signal for executing a mode corresponding to the mode signal output from the remote control receiver, and a control signal supplied from the microprocessor extracts a caption signal from the input video signal. A subtitle processing unit that decodes the extracted subtitle signal to move position information included in control data of the subtitle signal to position information corresponding to a mode signal supplied from the remote control transmission unit, A subtitle display control device, comprising: a monitor that displays subtitles output from the subtitle processing unit. 2. The caption processing unit decodes the caption signal output from the caption signal extraction unit, which extracts the caption signal placed on the designated line of the video signal, Decoding control data necessary for displaying subtitles such as position information to be displayed and attribute information indicating a form in which subtitles are displayed, and character data displayed in subtitles, and deciphering the decoded control data. A decoder unit that converts position information into position information determined according to the number of times the subtitle movement selection key signal supplied from the remote control transmission unit is input, and outputs the position information, and a subtitle movement selection supplied from the remote control transmission unit. A subtitle movement control unit that counts the number of times a key signal is input and outputs the position information as subtitle position information to be moved, position information output from the subtitle movement control unit, and A subtitle position determination unit that detects the position of the subtitle displayed on the screen and the number of lines on which the lines are displayed, and supplies the subtitle position determination unit to the decoder unit. Enter the subtitle position information and the number of lines on which the characters are displayed to move the subtitle currently displayed on the screen to the moved position information, and move it to secure the maximum visible area of the video signal. The position information output from the decoder unit that determines the information of the moved caption by adding the added caption according to the number of lines is specified, the start line of the caption to be displayed on the screen is specified from the position information, and A start line designating section that outputs a control signal that causes subtitles to be displayed from the start line, and a control signal that is output from the start line designating section. Caption display control apparatus according to claim 1, character data is characterized by comprising an on-screen display unit that outputs to be displayed on the monitor screen. 3. The caption display control device according to claim 2, wherein the caption processing unit further includes a storage unit that stores the position information determined by the decoder unit. 4. The subtitle movement control unit, when the signal of the subtitle movement selection key of the remote control transmission unit is input, one line of subtitles each time the input subtitle movement selection key signal is input. The subtitle display control device according to claim 2, wherein the subtitle display control device is configured to be moved upward and downward. 5. When the subtitle movement selection key signal of the remote control transmission unit is input, the subtitle movement control unit sets the subtitle to a set position each time the input subtitle movement selection key signal is input. The subtitle display control device according to claim 2, wherein the subtitle display control device is configured to be directly moved. 6. The visible area of the video signal, wherein the decoder unit moves the information moved through the subtitle movement control unit by additionally adding a subtitle position according to line information supplied from the subtitle position determination unit. The subtitle display control apparatus according to claim 2, wherein the subtitle display control apparatus is configured to ensure the maximum. 7. A first process in which position information for displaying a subtitle is decoded from a subtitle signal extracted from an input video signal, and it is determined whether a user has input a signal of a subtitle movement selection key, When the subtitle movement key is input in the first step, the first
A second step informing the user that the position information decoded in the step has been moved to the position information determined by the number of times the subtitle move selection key signal is input; and the position information moved in the second step. And a third step of displaying subtitles by the subtitle display control method. 8. In the second step, the position of the moved subtitle is arbitrarily set, and when the signal of the subtitle move selection key is input in the first step, the subtitle is displayed at the set position. The subtitle display control method according to claim 7. 9. The subtitle display control method according to claim 8, wherein the subtitle position is cyclically moved to an arbitrarily set position each time the signal of the subtitle move selection key is input. 10. The subtitle display control method according to claim 7, wherein in the second step, the first line of the subtitle in which the character data to be actually displayed is displayed is designated as the start line of the subtitle. . 11. The subtitle display control method according to claim 7, wherein in the second step, the last line of the subtitles on which the actually displayed character data is displayed is designated as the last line of the screen. 12. The caption display control method according to claim 7, wherein the moved position of the caption determined in the second step is stored.