KR20000030409A - Selectively reproducing apparatus and method for text and audio data in a digital versatile disc player - Google Patents

Abstract

PURPOSE: A DVD(digital versatile disc)-player is provided to maximize efficiency of foreign language studying by viewing or listening an only selected caption and audio. CONSTITUTION: A method for selecting and replaying a caption and an audio at a DVD-player contains steps of reading and replaying a data stored in a disc recording medium and of selecting and transmitting the only caption and audio data except for a video data. A microcomputer(6) converts the caption and audio data to an analog signal and controls the data for transmitting to a general TV. Then a user listens or stores the data in an MP3 player as well as views the wanted caption and audio though a monitor and a speaker.

Description

Selective reproducing apparatus and method for text and audio data in a digital versatile disc player}

The present invention relates to a subtitle and audio data selection playback apparatus and method in a DVD player, and more particularly, to a DVD player for playing a disc recording medium such as a DVD (Digital Versatile Disc). The present invention relates to a subtitle and audio data selection reproducing apparatus and method in a DVD player for selecting and reproducing only and then transmitting to a general television or a personal computer so that the user can select and view only desired subtitles and audio.

First, FIG. 1 illustrates an embodiment in which a general DVD-player and a television are connected, and the DVD player 100 includes a disc recording medium 1 such as a DVD. Optical pickup (P / U) 2 for reading out data stored in < RTI ID = 0.0 > An analog signal processor (3) for analog signal processing the read high frequency signal; A digital signal processor (4) for digitally processing the signal-processed analog signal and outputting the digital signal as a digital data stream; A signal output unit (5) which decodes and mixes the output data stream into video and audio data, converts the analog data into an analog video and audio signal, and outputs the converted video stream to a general television (200); A microcomputer 6 for controlling the operation of the constituent means; And a memory 7 for storing data necessary for the control operation of the microcomputer 6, while the signal output unit 5, as shown in FIG. A signal divider 50 for separating and outputting according to the attribute of the data stream outputted from the data stream; A sub-picture decoder (51) for decoding sub-picture data such as subtitle image data separately outputted from the signal separator (50); A video decoder 52 for decoding main image data separated from the signal separator 50; An on-screen decoder 53 for decoding on-screen display (OSD) data such as menu selection; A mixer (54) for mixing and outputting sub-picture data, video data, and on-screen data decoded by the decoders; A D / A converter (57) for converting the mixed data into an analog signal; And an audio decoder 55 for decoding audio data of the data stream. And a D / A converter 56 for converting and outputting audio data decoded by the audio decoder 55 into an analog audio signal.

The reproducing operation in the DVD player 100 configured as described above will be described in detail as follows.

First, the DVD 1, which is a multi-functional video disc recording medium, records and stores a large amount of video data, as well as various subtitle video data and audio data, so that a user can selectively output a desired subtitle video and audio. For example, the subtitle image data, which is sub-picture data of the video data currently being output and output, is selectively outputted in English subtitles or Japanese subtitles, or the audio data for the video data currently being output and output is output in Japanese or German. Selective output is possible.

In addition, the on-screen data for selecting various functions that may be provided from the DVD 1, that is, the characters of the menu screen may be changed and changed from Korean to English or English to Japanese, and the like. The various sub-picture data and the on-screen data that can be output are respectively decoded by the sub-picture decoder 51 and the on-screen decoder described above with reference to FIG. 2, and the video data corresponding to the main video data is decoded. Decoded by video decoder 52 and output to mixer 54.

Accordingly, the mixer 54 mixes and outputs the received caption image data, the video data, and the on-screen data, respectively, and the D / A converter 57 converts the mixed data into an analog signal and connects them. It is transmitted to the connected general television (200).

On the other hand, the audio data selectively outputted by the user is decoded by the audio decoder 55 and then converted into an analog audio signal by the D / A converter 56 to the connected television 200. Is sent. Therefore, the video data and the audio signal transmitted from the DVD player 100 are output as the screen image and the speaker sound of the television 200, so that the user can view it.

However, since the subtitle image data or the on-screen data is mixed with the main image data and transmitted to the video signal transmitted to the general television 200 as described above, a user who wants to learn a language only has subtitles and audio without the main image screen. Since it is not possible to select and watch, there is a problem that does not improve the efficiency of foreign language learning using a DVD player.

Accordingly, the present invention was created to solve the above problems, and by selecting only subtitles and audio of various languages read and reproduced from a disc recording medium such as a DVD, a foreign language using the DVD player can be viewed or listened to. SUMMARY OF THE INVENTION An object of the present invention is to provide an apparatus and method for selecting and reproducing subtitles and audio data in a DVD player for maximizing learning efficiency.

1 illustrates a configuration of a DVD-Player connected to a general television (V).

Figure 2 shows the configuration of the signal output unit of a general DVD player,

FIG. 3 shows a partial configuration of a caption and audio data selection playback apparatus in a DVD player according to the present invention.

4 is a flowchart illustrating an operation of a method for reproducing subtitle and audio data selection in a DVD player according to the present invention.

※ Explanation of code for main part of drawing

1: DVD (DVD) 2: Optical Pickup (P / U)

3: analog signal processor 4: digital signal processor

5: Signal output unit 6: Micom

7: Memory 51,61: Signal Parser

52,62: subpicture decoder 53,63: video decoder

54,64: On-Screen Decoder 55,65: Audio Decoder

56, 57, 66, 68: D / A converter 67: Interface unit

Subtitle and audio data selection reproduction method in the DVD player according to the present invention for achieving the above object comprises the steps of: reading and reproducing the data stored in the disc recording medium; And selecting and transmitting only subtitles and audio data except for video data among the reproduced data.

In addition, the apparatus for selecting and reproducing subtitles and audio data in the DVD player according to the present invention comprises: reading means for reading data recorded on the disc recording medium; Decoding means for decoding the read data and separating and outputting the data for each attribute; Blocking means for selectively blocking output of subtitles and image data among the separated output data; And control means for controlling the blocking means to block the output of the image data and to output the subtitle data according to the designated reproduction mode.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT Hereinafter, preferred embodiments of an apparatus and method for selecting subtitles and audio data in a DVD player according to the present invention will be described in detail with reference to the accompanying drawings.

First, FIG. 3 shows a partial configuration of a caption and audio data selection playback apparatus in a DVD player according to the present invention. The signal output unit 5 described above with reference to FIG. A signal divider 60 for separating and outputting according to the attribute of the data stream output from 4); A sub picture decoder (61) for decoding sub-picture data such as subtitle image data separately outputted from the signal separator (60); A video decoder 62 for decoding main image data separated and output from the signal separator 60; An on-screen decoder 63 for decoding on-screen (OSD) data such as menu selections; A mixer 64 for mixing and outputting sub-picture data, video data, and on-screen data decoded by the decoders; A D / A converter 68 for converting and outputting the mixed data into an analog signal; An audio decoder (65) for decoding audio data of the data stream; A D / A converter (66) for converting and outputting audio data decoded by the audio decoder (65) into an analog audio signal; And an interface unit 67 for transmitting data output through the mixer and the audio decoder to a personal computer (PC) connected and connected through a digital interface, wherein the video decoder 62 and the on-screen decoder ( First and second switches (SW1, SW2) for selectively blocking the output of the main image data and the on-screen data respectively output from the (63), including the on / off switching of the first and second switches The operation is performed by the control operation of the microcomputer 6 described above with reference to FIG. 1, and the user may perform the first operation through the DVD player 100 or the personal computer (PC) connected to the DVD player. And request switching control of the second switch, and the audio data decoded by the audio decoder 65 is decoded by the D / A converter 66 to be general. It may be transmitted to the television 200 or may be selectively transmitted to the personal computer (PC) and an audio device such as an MP3 player through the interface unit 67.

Accordingly, only subtitle data and audio data excluding main image data and on-screen data, which are reproduced from the DVD player, are transmitted to a personal computer, or only analog audio signals such as a general television or MP3 player Selective transmission to an audio device allows the user to listen and watch only the subtitles and audio that he / she wants through an audio device such as a general TV, personal computer, and MPS player. An embodiment in which only a subtitle and audio are selected for a connected personal computer is described in detail as follows.

First, FIG. 4 shows caption and audio data in a DVD player according to a method of selecting and reproducing subtitle and audio data in a DVD player according to an embodiment of the present invention, in particular, according to an interface operation with a personal computer connected and connected through a digital interface. FIG. 1 is a flowchart illustrating a selective reproduction transmission operation. When the DVD player 100 is connected to a personal computer through a digital interface, the microcomputer 6 of the DVD player 100 displays the DVD 1. Subtitles and audio information of various languages that can be recorded, stored and provided, and playback time information corresponding to a playback position of randomly accessible data, are retrieved from the DVD 1 (S10), and the digital interface is read. The transmission and output to the connected personal computer (PC) through (S11).

Accordingly, the personal computer (PC) uploads and stores subtitles, audio information, and playback time information of various languages received from the DVD player 100 in an internal memory (not shown). In addition, a command indicating whether or not the storage is completed is returned to the DVD player 100, and the microcomputer 6 of the DVD player 100 detects the subtitle, audio information, and playback time of various languages to the personal computer. It is determined whether the information is normally stored (S12).

On the other hand, the user through the monitor of the personal computer 200, after confirming the subtitles and audio information of various languages that can be provided in the DVD (1), the user selects and specifies the subtitles or audio of a specific language desired In addition, the playback time information is checked to select the desired playback time, that is, the specific playback position of the DVD 1, and the caption, audio, and playback time information of the specific language selected as described above are digitally interfaced. Through the output to the DVD player 100 through.

Accordingly, the microcomputer 6 of the DVD player 100 receives subtitles, audio and playback time information of a specific language selected by the user (S13), and searches for a playback position corresponding to the received playback time information. (S14).

When the search operation is completed (S15), data is read and reproduced from the searched playback position, wherein the caption and audio data of the specific language selected by the user, for example, the caption and the specific language selected by the user and If the audio is English subtitles and audio, the sub-picture data recorded in English characters, that is, the English subtitle data and the audio data recorded in English are selectively read out (S16).

Accordingly, the English subtitle data to be selectively read out is processed as a reproduction signal into digital video data as described above, transmitted to a personal computer (PC) connected and connected through a digital interface, and the English audio to be read out selectively. After the data is decoded by the audio decoder, the data is transmitted and output to the personal computer (PC) through the interface unit (S17).

On the other hand, the first and second switches (SW1, SW2) are switched off to block the main image data and the on-screen data output from the video decoder 62 and the on-screen decoder 63, the user Only the caption video and audio of the specific language selected by the user can be viewed through the monitor and the speaker of the personal computer (PC).

Meanwhile, as described above, in the microcomputer 6 of the DVD player, only the subtitles and audio data read out and reproduced from the DVD 1 are converted into analog signals and then transmitted to the general television 200 according to a user's request. Control to allow the user to watch the desired subtitles and audio through the screen and speakers of a general television, as well as to select the audio data decoded by the audio decoder 65 as an audio device such as MP3 player Transmit, allowing the user to listen to or record the recording via the MP3 player.

The apparatus and method for selecting subtitles and audio data in the DVD player according to the present invention as described above selects only subtitles and audio data not including main video data and on-screen data to digital data reproduced and output from the DVD player. By transmitting and reproducing the video, the user can watch only subtitles and audio sounds of various languages desired by a general television (TV) or a personal computer (PC), thereby maximizing the efficiency of foreign language learning using a DVD player. It is a very useful invention.

Claims (7)

Reading and reproducing the data recorded on the disc recording medium; And And selecting and transmitting only the subtitles and audio data except for video data among the reproduced data, and transmitting the selected subtitles and audio data in the DVD player. The method of claim 1, In the step 2, the caption and audio data selection and playback method of the DVD player, characterized in that for selectively transmitting the caption and audio data to a personal computer connected through a digital interface. The method of claim 1, In the step 2, the caption and audio data selection and playback method of the DVD player, characterized in that for selectively transmitting the audio data to a digital audio device. Reading and transmitting subtitles and audio information of various languages that can be provided from a disc recording medium and transmitting the same to a personal computer; And And selecting only the subtitles and audio data of a specific language requested through the personal computer without video data, and transmitting the same to the personal computer. 2. The method of claim 4, wherein In the step 1, the caption and audio data playback method of the DVD player, characterized in that the transmission including the play time information corresponding to the playback position randomly accessible from the disk recording medium. In the disc player, Reading means for reading data recorded on the disc recording medium; Decoding means for decoding the read data and separating and outputting the data for each attribute; Blocking means for selectively blocking output of subtitles and image data among the separated output data; And And control means for causing the blocking means to block the output of the image data and to output the subtitle data according to a specified reproduction mode. The method of claim 6, The control means determines whether to transmit the audio data separately output by the decoding means into an analog audio signal or transmit the digital audio data, and performs selective transmission of an external connection device that can accommodate the same. A subtitle and audio data selection playback device in a DVD player, characterized in that for controlling.