KR20030080596A - Caption handling system and method of Digital Versatile Disk player - Google Patents

Abstract

PURPOSE: A device for processing a subtitle of a DVD(Digital Versatile Disk) player and a method therefor are provided to conveniently display various languages not included in a DVD in a subtitle. CONSTITUTION: A video signal input unit(10) inputs a video signal including closed caption data. A subtitle input and output unit(20) inputs and outputs subtitle data preliminarily made in a language of a designated nation according to the closed caption data. A signal analyzing unit(30) analyzes the video signal for extracting a horizontal synchronous signal and detects the closed caption data from the horizontal synchronous signal. An SRAM(Static Random Access Memory)(41) temporarily stores hexa values of the extracted closed caption data. A ROM(Read Only Memory)(42) stores a system program. A RAM(43) stores the subtitle data and various data. A timer(50) measures a time of playing a DVD. A control unit(60) compares the closed caption data stored in the SRAM with subtitle data stored in the RAM for outputting a subtitle signal in the case that synchronous signals coincide with each other. An output unit(70) outputs the subtitle signal to an external display device.

Description

Caption handling system and method of DivV player player {Caption handling system and method of Digital Versatile Disk player}

The present invention relates to a subtitle processing apparatus and method for a DVD player, and more particularly, to a subtitle processing of a DVD player for displaying subtitles in various languages on a screen regardless of the DVD title and the area code set in the DVD player. An apparatus and a method thereof are provided.

In general, DVD titles have the same appearance as audio CDs or video CDs, but have a storage capacity of at least seven times that of video CDs, making them the next generation recording media. They can hold up to eight hours of video data and up to eight It can support Korean language voice and can process 32 subtitles.

In particular, DVD titles produced in the United States include closed caption data, which are usually made for the deaf and hard of hearing, are hidden and normally displayed on the screen by a decoding device.

In addition to the DVD title, the DVD player can play not only a conventional music CD but also a video CD.

On the other hand, if a DVD title and a DVD title are released at the same time as the movie is released, the DVD title and DVD player may not be played in other countries. For the purpose, the area code is divided by the world market by region.

For example, the region code is set to No. 1 in North America, such as the United States, No. 2 in Japan and Europe, and No. 3 in Korea and Southeast Asia.

In recent years, technology such as 'Code Free', which can play DVD titles in all regions, can be played even when the region number of the DVD title and the DVD player do not match.

However, since the DVD title contains subtitles only for specific languages corresponding to the region code, if you want to play the DVD title in another region where the region code is different, the subtitles cannot be displayed on the screen in another region. There was a problem that is uncomfortable.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and an object thereof is to provide a closure caption data included in a video signal of a DVD title, a voice signal of a person included in an audio signal, or a reproduction time of a DVD title. It is designed to display subtitles that are not included in DVD titles produced elsewhere more conveniently and efficiently.

1 is a block diagram showing a caption processing apparatus using a video signal according to an embodiment of the present invention.

2 is a block diagram illustrating a caption processing apparatus using a voice signal according to another embodiment of the present invention.

3 is a block diagram illustrating a caption processing apparatus using a reproduction time of a video signal according to another embodiment of the present invention.

4 is a flowchart illustrating a method of generating caption data input through a caption input unit of the present invention by using a video signal.

5 is a flowchart illustrating a method of generating caption data input through a caption input unit of the present invention using a DVD playback time.

6 is a flowchart illustrating a method of generating caption data input through a caption input unit of the present invention using a voice signal.

7 is a flowchart illustrating a caption processing method according to an embodiment of the present invention.

8 is a flowchart illustrating a subtitle processing method using a reproduction time of a video signal according to another embodiment of the present invention.

9 is a flowchart illustrating a subtitle processing method using an audio signal according to another embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

10: video signal input unit 11: audio signal input unit

12 decoder 13 playback time input unit

20: caption input and output unit 30: signal analysis unit

40: memory unit 41: SRAM (SRAM)

42: ROM 43: RAM

50: timer 60: control unit

70: output unit

The configuration of the present invention for achieving the above object is made as follows.

In the subtitle device for displaying a subtitle on the screen,

A video signal input unit connected to a video signal output terminal of a DVD player or the like and inputting a video signal including closed caption data;

A caption input / output unit for inputting / outputting caption data pre-produced in a language of a designated country according to the closed caption data included in the video signal input through the video signal input unit;

A signal analyzer which analyzes an image signal output from the video signal input unit, extracts a horizontal synchronization signal, and detects closed caption data from the horizontal synchronization signal;

SRAM temporarily storing the hexa value of the closed caption data extracted by the signal analysis unit, an operating device that initializes the system and performs basic input / output processing, a font used basically when outputting character information from the system, and the like. A memory unit including a ROM storing a system program of the system, a subtitle data applied from the subtitle input / output unit, and a RAM storing various data generated during operation;

An operation time is set according to a video signal input through the video signal input unit, and a timer measuring a DVD playback time in units of hours, minutes, and the like;

A control unit for comparing the closed caption data stored in the SRAM of the memory unit with the caption data stored in the RAM of the memory unit and controlling an overall operation for outputting a corresponding caption signal when the synchronization signal has the same value Wow;

And an output unit for outputting a caption signal applied from the controller to an external display device.

Another configuration of the present invention for achieving the above object is made as follows.

In the subtitle playback method using a subtitle device for displaying a subtitle on the screen,

Determining whether caption data is input through the caption input / output unit;

If it is determined that the caption data is input, storing the caption data in the RAM of the memory unit;

Determining whether a video signal is input through the video signal input unit;

If it is determined that the video signal is input, outputting a control signal to a signal analyzer to extract a horizontal synchronization signal from the video signal;

Determining whether closed caption data is included in the horizontal synchronization signal;

If it is determined that the closed caption data is included in the horizontal synchronizing signal, detecting the ASCII code value of the closed caption data from the horizontal synchronizing signal and storing the ASCII code value in the memory unit in real time;

Searching for the caption data stored in the RAM of the memory unit to determine whether there is caption data using the video signal combining the closed caption data and the character data included in the video signal;

If it is determined that there is subtitle data using the video signal, determining whether the close caption data stored in the RAM of the memory unit in real time and the synchronization signal of the closed caption data stored in the RAM of the memory unit are matched;

When it is determined that the synchronization signal of the closed caption data stored in the RAM and the RAM of the memory unit is identical, the output unit converts the caption signal obtained by converting the character data combined with the closed caption data into the character font stored in the ROM of the memory unit. Characterized in that it comprises a step of output through.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram showing a caption processing apparatus using a video signal according to an embodiment of the present invention.

Referring to FIG. 1, the caption processing apparatus of the present invention includes a video signal input unit 10, a caption input / output unit 20, a signal analyzer 30, a memory unit 40, a timer 50, It consists of a control part 60 and the output part 70.

The video signal input unit 70 is connected to a video signal output terminal such as a DVD player and inputs a video signal including closed caption data.

For example, the closed caption data is mainly developed for the deaf or hearing impaired, and is normally hidden and displayed as a subtitle through a decoder device. The closed caption data is generally included in the 21st line of the horizontal scan signal.

The caption input / output unit 20 inputs and outputs caption data previously prepared in a language of a designated country according to the hexa value of the closed caption data included in the video signal.

As the subtitle input / output unit 20, a floppy disk drive capable of reading / writing data is used. In addition, a PC serial / parallel port capable of transmitting and receiving data in serial or parallel, a USB port, a wired / wireless LAN card capable of wired / wireless data communication, etc. may be used. Can be.

For example, when the user inserts a recording medium such as a floppy disk or a stick memory, the subtitle input / output unit 20 stores the subtitle data on the recording medium, or reproduces the stored subtitle data and directly / parallel. Send and receive subtitle data through the port, USB port and wired / wireless LAN card.

The signal analyzer 30 extracts a horizontal synchronous signal by analyzing the video signal output from the video signal input unit 10, extracts an ASCII code value of the closed caption data from the horizontal synchronous signal, and converts it to a hexa value.

The memory unit 40 stores various data extracted from the signal analysis unit 30 and various data necessary for operating the system. The memory unit 40 temporarily stores hexa-values of the closed caption data extracted from the signal analysis unit 30. ROM that stores system programs such as SRAM (SRAM) 41, an operating device that initializes the system and performs basic input / output processing, and a font that is basically used when outputting character information from the system. (ROM) 42, subtitle data applied from the subtitle input / output unit 20, and a RAM 43 for storing various data generated during operation.

The timer 50 sets an operation time according to a video signal input through the video signal input unit 10, and measures a DVD playback time in units of hours, minutes, and the like.

The control unit 60 compares the closed caption data stored in the SRAM 41 of the memory unit 40 with the caption data stored in the RAM 43 of the memory unit 40 to have the same synchronization signal. If the value has a value, the overall operation for outputting the corresponding subtitle signal is controlled.

For example, when the closed caption data displaying the caption in synchronization with the video signal and the synchronization signal of the caption data match, the caption translated into a specific language is displayed on the display device according to the font of the character font stored in the ROM. Output caption signals for display.

The output unit 70 outputs the caption signal applied from the controller 60 to the external display device to display the caption on the screen of the external display device.

2 is a block diagram illustrating a caption processing apparatus using a voice signal according to another embodiment of the present invention.

Referring to FIG. 2, the caption processing apparatus using the audio signal according to the present invention includes a video signal input unit 10, a caption input / output unit 20, a signal analyzer 30, and a memory unit 40 as shown in FIG. 1. And the audio signal input unit 11 and the decoder 12 in the caption processing apparatus using the video signal composed of the timer 50, the control unit 60, and the output unit 70.

The audio signal input unit 11 is connected to an audio signal output terminal of a DVD player or the like to input an audio signal.

The decoder 12 converts the digital audio signal of the voice signal input unit 11 into an analog audio signal and outputs the analog audio signal.

The signal analyzer 30 detects only a human voice part from the analog audio signal output from the decoder 12.

The memory unit 40 temporarily stores the voice data detected by the signal analyzer 30 in the SRAM 41 and stores the caption data applied by the caption input / output unit 20 in the RAM 43. .

The control unit 60 compares the audio data stored in the SRAM 41 of the memory unit 40 with the caption data stored in the RAM 42 of the memory unit 40 to have the same synchronization signal. In case of having a general control for controlling the corresponding subtitle signal.

3 is a block diagram illustrating a caption processing apparatus using a reproduction time of a video signal according to another embodiment of the present invention.

Referring to FIG. 3, the caption processing apparatus using the reproduction time of the video signal according to the present invention includes a video signal input unit 10, a caption input / output unit 20, a signal analyzer 30, and a memory unit as shown in FIG. 1. 40, the timer 50, the control unit 60, and the output unit 70 comprises a playback time input unit 13 in a caption processing apparatus using a video signal.

The reproduction time input unit 13 inputs the reproduction time of the video signal detected by the timer built in the DVD player.

For example, a timer built in the DVD player detects the playback time of the video signal included in the DVD title to indicate to the user the playback time of the DVD title.

The controller 60 compares the playback time input through the playback time input unit 13 with the caption data stored in the RAM 43 of the memory unit 40, and when the synchronization signal has the same value, Controls the overall operation for outputting closed caption signals.

4 is a flowchart illustrating a method of generating caption data input through a caption input unit of the present invention using a video signal.

Referring to FIG. 4, the controller 60 determines whether a video signal is input through the video signal input unit 10 connected to a video signal output terminal such as a DVD player (S1).

In this case, when it is determined that the video signal is input, the signal analyzer 30 extracts a horizontal synchronization signal from the video signal according to the control signal applied from the controller 60 (S2).

Subsequently, the controller 60 determines whether the closed caption data is included in the extracted horizontal synchronization signal (S3).

At this time, if it is determined that the closed caption data is not included in the horizontal synchronization signal, the controller 60 ends the caption data generation process using the video signal.

However, if it is determined that the closed caption data is included in the horizontal synchronizing signal, the control unit 60 detects an ASCII code value of the closed caption data from the horizontal synchronizing signal to detect the esram 41 and the RAM 43 of the memory unit 40. Are stored in S4).

At this time, the controller 60 outputs the ASCII code value of the closed caption data stored in the RAM 43 to the outside through the subtitle input / output unit 20 and stores it in a storage medium such as a floppy disk or a memory stick (S5). To S6).

Thereafter, the closed caption data stored in a storage medium such as a floppy disk, a memory stick, or the like is input into a computer in which a caption generating program is embedded (S7).

Subtitles are obtained by combining the closed caption data and the characters translated into the language of the designated country so that the subtitles translated into the language of the designated country can be reproduced at the same period as the closed caption data using the subtitle generation program embedded in the computer. Generate data (S8).

Thereafter, the caption data is stored and stored in a storage medium such as a floppy disk or a memory stick through a peripheral device of the computer (S9).

Therefore, when the DVD title does not have a native language or subtitles embodied in a specific language, the user extracts the closed caption data included in the video signal output when the DVD title is reproduced, and the closed caption data and the local language or Subtitle data of DVD players can be displayed in various languages more conveniently by generating subtitle data combined with character data translated into specific languages.

FIG. 5 is a flowchart illustrating a method of generating caption data input through a caption input unit of the present invention using a playback time of a DVD title.

Referring to Fig. 5, a DVD title is inserted into a DVD player installed in a computer and played back (S11).

Subsequently, the video signal included in the DVD title is detected in units of hours, minutes, seconds, etc., using application programs such as a character generation program and a time detection program installed inside the computer to generate the play time data of the video signal. (S12).

At this time, the caption data reproduced at the same period as the time data is generated by combining the playback time data of the video signal with subtitles processed in a language of another country such as English or Japanese, and text data translated into a native language or a specific language. (S13).

Thereafter, the caption data is stored and stored in a storage medium such as a floppy disk or a memory stick through a peripheral device of the computer (S14).

6 is a flowchart illustrating a method of generating caption data input through a caption input unit of the present invention using a voice signal.

Referring to FIG. 6, the controller 60 determines whether an audio signal is input through an audio signal input unit 11 connected to an audio signal output terminal of a DVD player or the like (S21).

At this time, if it is determined that the audio signal is input, the decoder 12 converts the digital audio signal into an analog audio signal according to the control signal applied from the control unit 60 (S22).

Subsequently, the signal analysis unit 30 extracts only the human voice part from the analog audio signal converted according to the control signal applied from the control unit 60 to the SRAM 41 and the RAM 43 of the memory unit 40. Stored in (S23 to S24).

At this time, the controller 60 outputs the voice data stored in the RAM 43 to the outside through the subtitle input / output unit 20 and stores them in a storage medium such as a floppy disk (S25 to S26).

Thereafter, the closed caption data stored in a storage medium such as a floppy disk is input to a computer in which a caption generating program is embedded (S27).

Subtitle data which combines the voice data and the characters translated into the language of the designated country so that the subtitle translated into the language of the designated country can be reproduced at the same period as the closed caption data using the subtitle generation program built in the computer. To generate (S28).

Thereafter, the caption data is stored and stored in a storage medium such as a floppy disk or a memory stick through a peripheral device of the computer (S29).

7 is a flowchart illustrating a subtitle processing method using a video signal according to an embodiment of the present invention.

Referring to FIG. 7, when a caption is reproduced in a local language or a specific language not included in the DVD, the controller 60 determines whether caption data using a video signal is input through the caption input / output unit 20 ( S31).

At this time, if the caption data is not input, the controller 60 waits for a predetermined time.

However, if it is determined that the caption data is input, the control unit 60 stores the caption data in the RAM 43 of the memory unit 40 (S32).

Thereafter, it is determined whether a video signal is input through the video signal input unit 10 connected to the video output terminal of the DVD player (S33).

At this time, if it is determined that the video signal is not input through the video signal input unit 10, the controller 60 waits for a predetermined time.

However, when it is determined that the video signal is input through the video signal input unit 10, the controller 60 outputs a control signal to the signal analyzer 30 to extract a horizontal synchronous signal from the video signal (S34).

Subsequently, the controller 60 determines whether the closed caption data is included in the horizontal synchronization signal (S35).

At this time, if it is determined that the closed caption data is not included in the horizontal synchronizing signal, the controller 60 ends all procedures.

However, if it is determined that the closed caption data is included in the horizontal synchronizing signal, the control unit 60 detects an ASCII code value of the closed caption data from the horizontal synchronizing signal and stores the ASCII code value in the SRAM 41 of the memory unit 40 in real time. (S36).

Subsequently, the controller 60 searches the caption data stored in the RAM 43 of the memory unit 40 to determine whether there is caption data using a video signal combining the closed caption data and the text data included in the video signal. (S37).

At this time, if it is determined that the caption data does not exist, the control unit 60 moves to S31 and receives the caption data again.

However, if it is determined that there is subtitle data using the video signal, the controller 60 closes the caption data stored in the SRAM 41 of the memory unit 40 in real time, and the RAM 43 of the memory unit 40. It is determined whether or not the synchronization signal of the closed caption data stored in S is matched (S38).

At this time, if it is determined that the synchronization signal of the closed caption data stored in the RAM (41) and RAM 43 of the memory unit 40 does not match, the controller 60 is a predetermined time until the synchronization signal is matched. Wait for a while.

However, when it is determined that the synchronization signal of the closed caption data stored in the RAM 41 and the RAM 43 of the memory unit 40 matches, the character unit combined with the closed caption data is stored in the memory unit 40. The caption signal converted into the character font stored in the ROM 42 is output through the output unit 70 (S39).

Accordingly, the closed caption data included in the video signal is detected and stored in the SRAM 41 of the memory unit 40, and the caption data input through the caption input / output unit 20 is stored in the RAM of the memory unit 40 ( 43 is stored in the ROM 42 of the memory 40 when the synchronization signal is matched by comparing / determining the closed caption data stored in the SRAM 41 and the RAM 43. By converting and displaying subtitles with character fonts, it is possible to more conveniently display various languages not included in the DVD as subtitles.

8 is a flowchart illustrating a subtitle processing method using a reproduction time of a video signal according to another embodiment of the present invention.

Referring to FIG. 8, the controller 60 determines whether caption data using a video signal is input through the caption input / output unit 20 (S41).

At this time, if the caption data is not input, the controller 60 waits for a predetermined time.

However, if it is determined that the caption data is input, the control unit 60 stores the caption data in the RAM 43 of the memory unit 40 (S42).

Thereafter, it is determined whether the play time data of the DVD player is input through the play time input unit 10 connected to the DVD player (S43).

At this time, if it is determined that the play time data of the DVD player is input, the controller 60 searches for the caption data stored in the RAM 43 of the memory unit 40 and combines the play time data of the video signal with the character data. It is determined whether subtitle data exists (S44).

At this time, if it is determined that there is no caption data combining the play time data and the text data, the controller 60 moves to S41 and receives the caption data again.

However, if it is determined that there is subtitle data combining the play time data and the character data, the control unit 60 controls the play time data of the DVD player input through the play time input unit 10 and the RAM 43 of the memory unit 40. It is judged whether or not the synchronization signal of the reproduction time data stored in S is matched (S45).

At this time, if it is determined that the synchronization signal of the reproduction time data of the DVD player and the reproduction time data stored in the RAM 43 of the memory unit 40 does not match, the control unit 60 controls the predetermined time until the synchronization signal matches. Wait for a while.

However, if it is determined that the synchronization signal of the reproduction time data of the DVD player and the reproduction time data stored in the RAM 43 of the memory unit 40 matches, the character data combined with the reproduction time data is stored in the memory unit 40. The caption signal converted into the character font stored in the ROM 42 is output through the output unit 70 (S46).

Therefore, the subtitle data input through the subtitle input / output unit 20 is stored in the RAM 43 of the memory unit 40 and then compared / determined with the play time data of the DVD player input through the reproduction time input unit 13. When the synchronization signal of the reproduction time data is matched, the subtitle is converted into a character font stored in the ROM 42 of the memory unit 40 and displayed. Can be displayed as subtitles.

On the other hand, if it is determined in step S43 that the play time of the DVD player is not input, the controller 60 determines whether a control signal for matching the play time of the DVD player with the time of the timer 50 is input (S47). .

At this time, if it is determined that the control signal of the timer 50 is not input, the control unit 60 returns to S43 and waits for a predetermined time.

However, if it is determined that the control signal of the timer 50 is input, the controller 60 sets the timer 50 to match the playing time of the DVD player according to the input control signal (S48).

Subsequently, the controller 60 searches the caption data stored in the RAM 43 of the memory unit 40 to determine whether there is caption data obtained by combining the playback time data of the video signal and the text data (S49).

At this time, if it is determined that there is no caption data combining the play time data and the text data, the controller 60 moves to S41 and receives the caption data again.

However, if it is determined that there is subtitle data combining the play time data and the text data, the controller 60 is included in the subtitle data stored in the RAM of the memory unit 40 according to the set time of the timer 50. The subtitle signal converted into the character font stored in the ROM 42 of the memory unit 40 is output through the output unit 70 (S50).

9 is a flowchart illustrating a subtitle processing method using an audio signal according to another embodiment of the present invention.

Referring to FIG. 9, when playing captions in a local language or a specific language not included in the DVD, the controller 60 determines whether the caption data generated using the audio signal is input through the caption input / output unit 20. (S51).

At this time, if the caption data is not input, the controller 60 waits for a predetermined time.

However, if it is determined that the caption data is input, the control unit 60 stores the caption data in the RAM 43 of the memory unit 40 (S52).

Thereafter, it is determined whether the audio signal is input through the audio signal input unit 11 connected to the audio output terminal of the DVD player (S53).

In this case, when it is determined that the audio signal is input through the audio signal input unit 11, the controller 60 outputs a control signal to the decoder 12 to convert the digital audio signal into an analog audio signal (S53).

Subsequently, the controller 60 outputs a control signal to the signal analyzer 30 to detect only the voice part of the person from the analog audio signal and to store it in the SRAM 41 of the memory 40 (S54).

Subsequently, the controller 60 searches the caption data stored in the RAM 43 of the memory unit 40 to determine whether there is caption data using a voice signal combining voice data and text data translated into a language of a designated country. (S56).

At this time, if it is determined that there is no subtitle data using the audio signal, the controller 60 moves to S51 and receives the subtitle data again.

However, if it is determined that there is subtitle data using the audio signal, the controller 60 may store voice data stored in the SRAM 41 of the memory unit 40 in real time and the RAM 43 of the memory unit 40. It is determined whether or not the synchronization signals of the voice data stored in S are matched (S57).

In this case, when it is determined that the synchronization signal of the voice data stored in the RAM 41 and the RAM 43 of the memory unit 40 matches, the text data combined with the voice data is stored in the ROM of the memory unit 40. The subtitle signal converted into the text font stored in 42 is output through the output unit 70 (S58).

Therefore, in addition to the closed caption data included in the video signal or the playback time of the video signal, by using the audio signal of a person included in the audio signal as a synchronization signal, various languages not included in the DVD can be displayed more efficiently with subtitles. Can be.

As described above, the present invention detects the closed caption data included in the video signal and stores the closed caption data in the RAM of the memory unit, stores the caption data input through the caption input unit in the RAM of the memory unit, and then stores the RAM and the RAM. Compare / determine the closed caption data stored in the subtitle. When the synchronization signal is matched, the subtitles can be displayed by converting the subtitles into character fonts stored in the ROM of the memory unit. Can be.

In addition, various languages not included in the DVD can be displayed more efficiently by using the human voice signal, the playback time of the video signal, etc., included in the audio signal as the synchronization signal.

Claims (8)

In the subtitle device for displaying a subtitle on the screen, A video signal input unit 10 connected to a video signal output terminal of a DVD player or the like to input a video signal including closed caption data; A caption input / output unit 20 for inputting and outputting caption data pre-produced in a language of a designated country according to the closed caption data included in the video signal input through the video signal input unit 10; A signal analyzer 30 for analyzing a video signal output from the video signal input unit 10 to extract a horizontal synchronization signal, and detecting closed caption data from the horizontal synchronization signal; SRAM 41 temporarily storing the hexa value of the closed caption data extracted by the signal analysis unit 30, an operating device for initializing the system and performing basic input / output processing, and outputting character information from the system. A memory having a ROM 42 storing a system program such as a font used basically, a RAM 43 storing subtitle data applied from the subtitle input / output unit 20, and various data generated during operation; Section 40; An operation time is set according to a video signal input through the video signal input unit 10, and a timer 50 for measuring a DVD playback time in units of hours, minutes and seconds; The closed caption data stored in the SRAM 41 of the memory unit 40 and the caption data stored in the RAM 43 of the memory unit 40 are compared with each other when the synchronization signal has the same value. A controller 60 for controlling an overall operation for outputting a corresponding caption signal; Caption processing apparatus for a DVD player, characterized in that the output unit (70) for outputting a caption signal applied from the control unit (60) to an external display device. The subtitle input / output unit 20 is a serial / parallel capable of data communication with a floppy disk drive for inputting / outputting data stored in a floppy disk, a memory stick drive for inputting / outputting data stored in a memory stick, and the like. A caption processing apparatus for a DVD player, comprising a communication port, a USB port capable of high-speed data communication, and a wired / wireless LAN capable of wired and wireless data communication. A video signal input unit 10 for inputting a video signal, a caption input / output unit 20 for inputting and outputting caption data, a timer 50 for detecting a playback time of the video signal, and an output unit 70 for outputting a caption signal In the subtitle reproducing apparatus, An audio signal input unit 11 connected to an audio signal output terminal of a DVD player or the like to input an audio signal; A decode (12) for converting the digital audio signal of the audio signal input unit (11) into an analog audio signal and outputting the analog audio signal; A signal analyzer 30 for detecting only a human voice part of the analog audio signal output from the decoder 12; The memory unit 40 temporarily stores the voice data detected by the signal analyzer 30 in the SRAM 41 and stores the caption data applied by the caption input / output unit 20 in the RAM 43. ; Comparing the audio data stored in the SRAM 41 of the memory unit 40 with the caption data stored in the RAM 43 and outputting a corresponding caption signal when the synchronization signal has the same value. Caption processing apparatus for a DVD player, characterized in that it comprises a control unit for controlling the overall operation for. A video signal input unit 10 for inputting a video signal, a caption input / output unit 20 for inputting / outputting subtitle data, a signal analyzer 30 for detecting closed caption data included in the input video signal, and caption data And a memory unit 40 for storing various data necessary for operation, a timer 50 for detecting a reproduction time of a video signal, and an output unit 70 for outputting a subtitle signal. A playback time input unit 13 for inputting a playback time of the video signal detected by the timer built in the DVD player; Comparing the playback time input through the playback time input unit 13 and the caption data stored in the RAM 43 of the memory unit 40 and outputting a corresponding caption signal when the synchronization signal has the same value. Caption processing apparatus for a DVD player, characterized in that it comprises a control unit for controlling the overall operation for. In the subtitle playback method using a subtitle device for displaying a subtitle on the screen, Determining whether caption data is input through the caption input / output unit 20; If it is determined that the caption data has been input, storing the caption data in the RAM 43 of the memory unit 40; Determining whether a video signal is input through the video signal input unit 10; If it is determined that the video signal is input, outputting a control signal to the signal analyzer 30 to extract a horizontal synchronization signal from the video signal; Determining whether closed caption data is included in the horizontal synchronization signal; If it is determined that the closed caption data is included in the horizontal synchronizing signal, detecting an ASCII code value of the closed caption data from the horizontal synchronizing signal and storing the ASCII code value in the SRAM 41 of the memory unit 40 in real time; Searching for the caption data stored in the RAM 43 of the memory unit 40 to determine whether there is caption data using a video signal combining the closed caption data and the text data included in the video signal; If it is determined that there is subtitle data using the video signal, the closed caption data stored in real time in the SRAM 41 of the memory unit 40 and the closed caption stored in the RAM 43 of the memory unit 40. Determining whether the synchronization signals of the data match; If it is determined that the synchronization signal of the closed caption data stored in the RAM 41 and the RAM 43 of the memory unit 40 matches, the character data combined with the closed caption data is stored in the ROM of the memory unit 40. A subtitle processing method of a DVD player characterized in that it comprises the step of outputting the subtitle signal converted into the character font stored in (42) through an output unit (70). In the subtitle playback method using a subtitle device for displaying a subtitle on the screen, Determining whether caption data is input through the caption input / output unit 20; If it is determined that the caption data has been input, storing the caption data in the RAM 43 of the memory unit 40; Determining whether the play time data of the DVD player is input through the play time input unit 10; If it is determined that the playback time data of the DVD player is input, the caption data stored in the RAM 43 of the memory unit 40 is searched to determine whether there is subtitle data combining the playback time data of the video signal and the character data. Steps; If it is determined that there is subtitle data combining the play time data and the text data, the play time data of the DVD player input through the play time input unit 10 and the play time data stored in the RAM 43 of the memory unit 40 are determined. Determining whether or not the synchronization signal of? If it is determined that the synchronization signal of the reproduction time data of the DVD player and the reproduction time data stored in the RAM 43 of the memory unit 40 matches, the character data combined with the reproduction time data is stored in the ROM of the memory unit 40. A subtitle processing method of a DVD player characterized in that it comprises the step of outputting the subtitle signal converted into the character font stored in (42) through an output unit (70). The method of claim 6, further comprising: determining whether an adjustment signal for matching the play time of the DVD player with the time of the timer (50) is input, if it is determined that the play time of the DVD player is not input; If it is determined that the control signal of the timer 50 is input, setting the timer 50 to match the playing time of the DVD player according to the input control signal; Retrieving the caption data stored in the RAM 43 of the memory unit 40 to determine whether there is caption data combining the play time data of the video signal and the character data; If it is determined that the caption data combining the play time data and the text data exists, the text data included in the caption data stored in the RAM of the memory unit 40 according to the setting time of the timer 50 is stored in the memory unit ( And outputting through the output unit (70) a subtitle signal converted into a character font stored in the ROM (42) of the 40). In the subtitle playback method using a subtitle device that displays a subtitle on the screen, Determining whether caption data is input through the caption input / output unit 20; If it is determined that the caption data has been input, storing the caption data in the RAM 41 of the memory unit 40; Determining whether an audio signal is input through the audio signal input unit 11; If it is determined that the audio signal is input through the audio signal input unit (11), outputting a control signal to the decoder (12) to convert the digital audio signal into an analog audio signal; When the digital audio signal is converted into an analog audio signal, outputting a control signal to the signal analyzer 30 to detect only the human voice part of the analog audio signal and to store it in the SRAM 41 of the memory 40. Wow; Searching for subtitle data stored in the RAM 43 of the memory unit 40 and determining whether there is subtitle data using a voice signal combining voice data and text data translated into a language of a designated country; When it is determined that the subtitle data using the voice signal exists, the voice data stored in real time in the SRAM 41 of the memory unit 40 and the voice data stored in the RAM 43 of the memory unit 40. Determining whether or not the synchronization signal of? If it is determined that the synchronization signal of the voice data stored in the RAM 41 and the RAM 43 of the memory unit 40 matches, the text data combined with the voice data is stored in the ROM 42 of the memory unit 40. And outputting the subtitle signal converted into the character font stored in the through the output unit (70).