KR20030071370A - A caption cassett having a image display function - Google Patents

Abstract

PURPOSE: A caption cassette having a function of displaying a motion picture is provided to simultaneously display caption information and video information corresponding to the caption information. CONSTITUTION: A caption cassette having a function of displaying a motion picture includes a cassette recording medium, a video memory chip(207), and a motion-picture cassette(200). The cassette recording medium stores audio information, chip information, video frame information and caption information. The video memory chip stores chip intrinsic information capable of being matched with the chip information stored in the recording medium and motion-picture information. The motion-picture cassette includes a display window(205) for displaying the caption information and motion-picture information at one side of a portable cassette and has an opening(213) formed at the side of the portable cassette, through which the video memory chip is inserted into the portable cassette.

Description

Caption cassette with video display function {A CAPTION CASSETT HAVING A IMAGE DISPLAY FUNCTION}

The present invention relates to a video display device, and more particularly, to a caption cassette having a video display function to enable image display on a caption cassette so that caption and image education can be simultaneously performed.

In general, caption cassettes are released for language use, but recently, not only for language use, but also to enable lyrics display of songs including pop songs. Such a caption cassette stores sound information and text information on a cassette tape so that the sound information and text information are output in a mutually synchronized state.

FIG. 1 is a perspective view showing such a caption cassette, which includes a caption display window 101 at the front portion of the caption cassette 100 and a key operating portion 103 at the upper portion. The display window 101 is provided with a predetermined display panel including an LCD to display the caption information 105. Since the caption cassette 100 enables the display of caption information by using only the tape on which the caption information is stored, the caption cassette 100 determines whether or not the caption information previously stored on the cassette tape through its controller. Determine the authorization.

Accordingly, the cassette tape holds caption information having a predetermined protocol for caption mode determination, and the controller reads the caption information and displays the caption information on the caption display window 101. At this time, since the caption information 105 should be synchronized with the sound information, the controller inserts a synchronization signal into the analog sound information so that the controller recognizes it. The synchronization between the caption information 105 and the sound information is a synchronization for displaying predetermined sentence information, which is caption information at a specific sound output time point, so that the output of the caption information from the controller is controlled by this synchronization signal.

Accordingly, the user can display the caption information on the caption display window 101 when the sound is output at a specific time point, thereby maximizing the visual effect as well as listening. Of course, it is mainly used for language learning, and in addition to listening to pop songs, the lyrics can be visually watched.

However, when the language learning using the caption cassette is made, the user who wants to be educated in the language from the beginning becomes practically useful to a user who can read foreign language sentences. In addition, even if a pop song is listened to and caption information is provided, it is only a hearing-dependent music listening, which causes a problem that the efficiency of play cannot be maximized from the conventional method.

The present invention was created to solve the above problems, and an object of the present invention is to display the video information corresponding to the caption information at the same time, so that it can be used from the early stage of language learning, music video when listening to popular songs In addition, the present invention provides a caption cassette having a video display function that can increase the efficiency of music listening.

Caption cassette having a video display function according to an aspect of the present invention for achieving the above object, a cassette recording medium having sound information, chip information, image frame information and caption information; An image memory chip having chip specific information and video information matchable with the chip information; And a display window for displaying caption information and video information on one surface of the portable cassette, and a video cassette having a chip inlet for inserting the image memory chip into the portable cassette to the side of the portable cassette. It is done.

Specifically, the video cassette includes an amplifier for amplifying and outputting the sound information, caption information, chip information, and frame information drawn from the cassette heads LH and RH;

A sound output unit for providing sound information output from the amplifier according to a sound control signal; An AD converter for receiving the caption information, the chip information, and the frame information into digitized information; An information classifier for classifying the caption information, the chip information, and the frame information among a plurality of pieces of information provided through the AD converter; A character memory for storing character information to be provided according to the caption information; A caption buffer for storing the character information fetched from the character memory for each unit; A video buffer for storing the video information provided from the video memory chip in units of predetermined frames; A driver for providing information stored in the caption buffer and the video buffer to the display window; And comparing chip information provided from the information classifier with chip specific information read from the image memory chip, outputting an error message if not identical to each other, and reading caption information provided from the information classifier if identical to each other. According to the caption information, the character information is fetched from the character memory, the character information is provided to the caption buffer, the frame information is read from the information classifier, and the image of the corresponding frame previously stored in the image memory chip. And a controller for fetching information and storing the information in the video buffer in a predetermined frame unit, and outputting the caption buffer and the respective information stored in the video buffer based on sound information of a predetermined unit.

1 is a perspective view showing a cassette having a conventional caption function.

2 is a perspective view showing a video cassette according to the present invention.

3 is a configuration diagram illustrating the main functions of FIG. 2.

4 is a graph illustrating timing of sound information, caption information, and frame information according to the present invention.

5A and 5B show another embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

200: Movie cassette 203: Movie display window

205: caption display window 207: video memory chip

301 controller 303 amplifier

305: A / D converter 309: information classifier

311: Reader 317: Character Memory

323: caption buffer 327: video buffer

325: Caption Driver 329: Video Driver

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

2 is a perspective view showing a video cassette according to the present invention. As referred to, the video cassette 200 has a housing 215 of a predetermined shape to allow the caption cassette tape to be inserted through the tape holder 209 on one side, and the video display window 203 and the caption display window (on the other side). 205 is provided. A chip inlet 213 is formed in the side surface of the video cassette 200 to embed the image memory chip 207.

The image memory chip 207 includes a memory cell having a predetermined capacity for storing moving image information, and a connection terminal 211 for inputting and outputting moving image information into the memory is formed. The connection terminal 211 is provided on the inner side surface of the chip inlet 213 so as to be securely coupled to the connection terminal of the reader for reading memory information.

Therefore, the user fastens the image memory chip 207 to the chip inlet 213, seats a specific cassette tape matching the image information previously stored in the image memory chip 207 with the tape holder 209, and then presses the key. The operation unit 201 provides video and sound information including caption information.

That is, the video information stored in the image memory chip 207 is displayed on the video display window 203, and the sound information and caption information previously stored in the cassette tape are displayed on the speaker (not shown) provided in the video cassette 200 and the The caption display window 205 is provided. As such, the sound information, the caption information, and the image information are output while being matched with each other. For this purpose, the cassette tape has chip information, sound information, caption information, and image frame information for recognizing the unique number of the image memory chip. have.

When the cassette tape is reproduced, the sound information is reproduced and chip information is provided. The chip information includes the chip specific information of the image memory chip 207 currently inserted into the chip inlet 213 by a controller provided inside the video cassette. If it is the same, the sound information, the caption information, and the frame information are continuously reproduced. However, if the chip information provided from the cassette tape is not the same as the chip specific information read from the image memory chip 207, a predetermined warning message is provided through the caption display window 205 or caption information according to user selection. And disregarding moving picture information, it is possible to provide only sound information currently stored on the cassette tape.

3 is a diagram illustrating the main functions of the video cassette 200. First, the amplifying unit 303, the A / D converter 305, the sound output unit 307, the information classifier 309, the reader 311, including the left and right heads LH and RH of the cassette, Character memory 317, program memory 315, data memory 313, controller 301, caption buffer 323, video buffer 327, caption driver 325, video driver 329, caption display window ( 205, a video display window 203, a key input unit 319, and a drive display unit 321.

When the caption display window 205 and the video display window 203 are configured as one LCD display, the caption driver 325 and the video driver 329 should be provided as one integrated driver. The program memory 315 and the data memory 313 store driving programs necessary for driving the system of the controller 301, and a description thereof will be omitted.

The main operations of the present invention are described as follows.

First, the cassette tape used in the present invention divides one-way tracks into left and right tracks, so that the left track stores audio signals and the right track stores caption information and frame information. 4 shows an example of an acoustic signal, caption information, and frame information recorded on the cassette tape, and shows that caption information and frame information are started at a start position of the acoustic signal.

The frame information holds chip information for matching a cassette tape with the image memory chip 207. Therefore, even if the cassette tape starts at a predetermined position, the frame information including the chip information is read, matching with the image memory chip 207 is performed, and the image information can be read.

As illustrated in FIG. 3, the cassette heads LH and RH amplify each track signal to a predetermined level through the amplifier 303. Therefore, the sound information is provided to the sound output unit 307, and the chip information, caption information and frame information are converted into digitized information through the AD converter 305. This is to convert the chip information and frame information in the analog form recorded on the magnetic of the cassette tape into a digital signal of a predetermined level.

The digitized information classifies the frame information including the caption information and the chip information by the information classifier 309. The pilot information for identifying caption information and the pilot information for identifying the chip information and the frame information with the caption information are classified by the information classifier 309. Each piece of classified information is provided to the controller 301 and stored in the internal memory of the controller 301 or a predetermined register.

Meanwhile, the image memory chip 207 introduced into the chip inlet 213 of the video cassette 200 may exchange chip-specific information and image information previously stored in the memory chip, as well as information between the controller 301 by a protocol already set. Available information is provided to the reader 311 through the connection terminal 211. The reader 311 reads the chip unique information and transmits the chip unique information to the controller 301, and the controller 301 stores the chip unique information currently input into a register.

Accordingly, the chip information introduced through the information classifier 309 and the chip unique information are compared with each other, and in the case of the same information, that is, the image memory chip 207 corresponding to the cassette tape, the following process is performed. When the chip information and the chip unique information are not the same, that is, when the cassette tape and the image memory chip 207 do not correspond, a predetermined warning message is output by the program memory 315 and the data memory 313. As described above, the system mode can be set by user selection.

When the controller 301 determines that the chip unique information and the chip information are the same, the controller 301 receives the frame information from the information classifier 309, transmits the frame information to the image memory chip 207, and displays the image based on the frame information. Control the output of information.

When the image information based on the frame information is output from the image memory chip 207, the image information is provided to the controller 301 through the reader 311, and the sound currently reproduced by enabling the sound output unit 307 is provided. To be printed. In addition, the controller 301 receives caption information provided from the information classifier 309 and generates font information based on the caption information.

This causes the controller 301 to fetch information corresponding to the caption information input from the information classifier 309, that is, information such as English characters, Japanese characters, Chinese characters, uppercase letters, lowercase letters, etc., from the character memory 317. If the video cassette 200 is English-only, the character memory 317 may store only English letters and upper and lower case information and store them therein. However, the character memory 317 may input languages of multiple countries to expand the use range of the video cassette. have.

The character information of the character memory 317 fetched by the caption information is provided to the caption buffer 323, and the controller 301 performs caption output control to provide sentence-by-sentence or displayable lines. That is, as mentioned in FIG. 4, since the caption information is provided at the start point of the acoustic signal, the controller 301 receives the character information based on the currently input caption information when new caption information is input from the information classifier 309. Are sequentially stored in the caption buffer 323, and when all the character information is stored for each sentence or line number, the caption display window 205 is provided through the caption driver 325.

In addition, image information previously stored in the image memory chip 207 is transmitted to the video buffer 327 through the controller 301 based on the frame information provided from the information classifier 309. When image information in frame units is stored in the video buffer 327, the video information is provided to the video driver 329 under the control of the controller 301, and the video information is displayed on the video display window 203.

The caption driver 325 and the video driver 329 are screen driving drivers for driving respective display windows, and are drivers for controlling a display panel such as an LCD or a TFT in pixel units.

The unexplained key input unit 319 and the driving display unit 321 are for manipulating the operation of the moving picture cassette 200 according to the user setting. The key input unit 319 and the driving display unit 321 control the play, fast forward, and rewind of the cassette tape. The operating state of the video cassette 200 is displayed through).

Meanwhile, in the present invention, although the caption information and the video information are provided by separating the caption video display window 203 and the caption display window 205, respectively, as shown in FIG. 5A, as shown in FIG. Of course, the video and caption information can be displayed at the same time through the display window.

As described above, the caption cassette having the video display function according to the present invention has a video capturing function together with the caption function of the cassette, thereby increasing the learning efficiency when used for language learning, and music video during sound listening. Is provided to obtain the effect of maximizing user satisfaction.

What has been described above is only one embodiment for implementing a caption cassette having a video display function according to the present invention, and the present invention is not limited to the above-described embodiment, as claimed in the following claims. Without departing from the gist of the invention, anyone of ordinary skill in the art to which the present invention will have the technical spirit of the present invention to the extent that various modifications can be made.

Claims (3)

A recording medium for a cassette having sound information, chip information, image frame information, and caption information; An image memory chip having chip specific information and video information matchable with the chip information; And A display window for displaying caption information and video information on one surface of the portable cassette, and a video cassette having a chip inlet for introducing the image memory chip into the portable cassette at the side of the portable cassette; Caption cassette with video display function. The caption cassette according to claim 1, wherein the display window is divided into a caption display window for displaying the caption information and a video display window for displaying the video information. The video cassette according to claim 1, further comprising: an amplifier for amplifying and outputting the sound information, caption information, chip information, and frame information drawn from the cassette heads (LH, RH); A sound output unit for providing sound information output from the amplifier according to a sound control signal; An AD converter for receiving the caption information, the chip information, and the frame information into digitized information; An information classifier for classifying the caption information, the chip information, and the frame information among a plurality of pieces of information provided through the AD converter; A character memory for storing character information to be provided according to the caption information; A caption buffer for storing the character information fetched from the character memory for each unit; A video buffer for storing the video information provided from the video memory chip in units of predetermined frames; A driver for providing information stored in the caption buffer and the video buffer to the display window; And Compare chip information provided from the information classifier with chip specific information read from the image memory chip, and output an error message if they are not identical to each other, and read caption information provided from the information classifier if they are identical to each other. According to the caption information, the character information is fetched from the character memory, the character information is provided to the caption buffer, the frame information is read from the information classifier, and the image information of the corresponding frame previously stored in the image memory chip. And a controller for fetching and storing the caption buffer and the respective information stored in the caption buffer and the video buffer based on sound information of a predetermined unit. Caption cassette having a.