WO2002089134A1 - Lecteur de videodisque numerique a fonction d'enseignement de langue etrangere - Google Patents

Lecteur de videodisque numerique a fonction d'enseignement de langue etrangere Download PDF

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Publication number
WO2002089134A1
WO2002089134A1 PCT/CN2002/000297 CN0200297W WO02089134A1 WO 2002089134 A1 WO2002089134 A1 WO 2002089134A1 CN 0200297 W CN0200297 W CN 0200297W WO 02089134 A1 WO02089134 A1 WO 02089134A1
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WO
WIPO (PCT)
Prior art keywords
key
text
subtitle
video player
dvd video
Prior art date
Application number
PCT/CN2002/000297
Other languages
English (en)
Chinese (zh)
Inventor
Jun Wu
Original Assignee
Nanjing Panda Electronics Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Panda Electronics Co., Ltd. filed Critical Nanjing Panda Electronics Co., Ltd.
Priority to KR1020037011149A priority Critical patent/KR100584949B1/ko
Publication of WO2002089134A1 publication Critical patent/WO2002089134A1/fr

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B19/00—Teaching not covered by other main groups of this subclass
    • G09B19/06—Foreign languages
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/84—Television signal recording using optical recording
    • H04N5/85—Television signal recording using optical recording on discs or drums

Definitions

  • the present invention relates to an improvement of a video disk player, and in particular, it is a DVD video disk player capable of adapting to a variety of optical disc formats and capable of displaying non-image link language. Background technique
  • FIG. 1 An existing DVD video player, that is, a playback device of a common DVD video player, is shown in FIG. 1, which mainly includes a disc drive mechanism 11, an optical disc readout signal processing and servo drive circuit 12, a compressed data decoding circuit 13, and a man-machine dialogue.
  • Circuit 14 has four major parts.
  • the signal read by the laser head from the DVD disc is sent to the disc read signal processing and servo drive circuit 12.
  • it is first amplified, shaped, balanced, and calculated by a radio frequency (RF) amplifier, and then sent to a digital signal processor for phase locking, data separation, demodulation, and error correction (ECC) to obtain a multiplexed DVD data stream, which is then sent to compressed data.
  • Decoding circuit 1 3.
  • RF amplifiers and digital signal processors optical head focus and tracking servo errors, as well as disc rotation speed and phase errors are also detected. These errors are sent to the disk drive mechanism 11 through the servo drive circuit to the optical head focus and tracking control package, the feed motor, and the drive motor of the optical disc.
  • the central processing unit 120 controls the RF amplifier, the digital signal processor and the servo processing circuit.
  • the data stream from the DVD after the read signal of the optical disc passes the digital signal processor is first analyzed and processed by the demultiplexing circuit of the Moving Picture Experts Group (MPEG) decoder 1 3 in the compressed data decoding circuit 13 to obtain a video.
  • MPEG Moving Picture Experts Group
  • Audio, and overlay graphics data are decoded by the video decoder, audio decoder, and graphics decoder to output video, audio, and overlay graphics, respectively.
  • the central processing unit 1300 controls the operation of the decoding circuit and communicates with the optical disk readout signal processing circuit.
  • the CPU 1 310 can also be built directly into the MPEG decoder chip.
  • the ROM capacity of the read-only memory 1.32 is 4 megabits
  • the RAM capacity of the dynamic and static random access memory 133 is 4 megabits.
  • the human-computer dialogue circuit 14 includes a key board 141, a color fluorescent display driving integrated block 142, and a color fluorescent display connected in order by circuits.
  • a screen 143, the color fluorescent display driving integrated block 142 and the compressed data decoding circuit 13 are connected in a bidirectional circuit; and further comprising a remote control 145 and a remote control receiving head 144 connected in order by infrared light signals, the remote receiving head 144 and compressed data
  • the decoding circuit 13 is connected in a circuit.
  • the corresponding DVD software source program in the form of image link is also resident in the read-only memory 132, but it can only be suitable for playing standard DVD, SVCD, and VCD discs.
  • the language and text information in this disc is in the form of text, unlike the language and text in other discs, which is in the form of image links.
  • the purpose of the present invention is to overcome the defect that the existing commercially available DVD video players cannot display the Caption (subtitle) text and text information in the Caption master DVD, Caption master SVCD, and Caption master VCD discs, and provide a kind of adaptable to a variety of optical butterfly (disk) A DVD player with a format and capable of displaying non-image link language texts, that is, improving the existing DVD player with a foreign language teaching function.
  • the technical solution of the present invention is: comparing Caption master DVD, Caption master SVCD, Caption master VCD optical disc with standard DVD, SVCD, VCD discs, and adding identification Captive ion DVD, Caption in the software of the existing DVD player.
  • software for master SVCD, Caption master VCD optical multiplication format, and software for controlling text subtitle information which is based on the existing DVD system functions
  • two text subtitle switching functions, a function of repeating a sentence completely, and two subtitle contrast display functions are added, and corresponding ones are set on the existing DVD video player keypad (key board) or on the remote control. Three function keys to control these functions.
  • the DVD video player with foreign language teaching function of the present invention is an improvement on the ordinary DVD video player.
  • the playback device of the common video player includes a disc drive mechanism, a disc read signal processing and servo drive circuit, a compressed data decoding circuit, and
  • the human-machine dialogue circuit has four major parts.
  • the disc drive mechanism is connected to the optical disc readout signal processing and servo drive circuit in a bidirectional circuit
  • the compressed data decoding circuit is respectively connected to the optical disc readout signal processing and servo drive circuit in a bidirectional circuit.
  • the compressed data decoding circuit includes a 4-megabit capacity read-only memory, a 4-megabit capacity dynamic and static random access memory, and a compressed data decoder connected to the random storage in a bidirectional circuit and then connected to the read-only memory.
  • the compressed data decoder includes a central processing unit, an active expert group decoder, an image text decoder and an audio decoder;
  • the man-machine dialogue circuit includes a keypad, and the keys on the driver are driven by a color fluorescent display
  • the integrated block is connected to the compressed data decoding circuit in a bidirectional circuit, and
  • the matching remote controller is connected to the compressed data decoding circuit by sending infrared light signals to the electrical signal through the remote control connector on the video player; the existing DVD resides on the read-only memory in the compressed data decoding circuit
  • the software of hosiery scheme constitutes a common DVD video player.
  • an ordinary DVD video disk player which is characterized in that: a subtitle key, a repeat sentence key and a comparison key are added to a keypad of a man-machine dialogue circuit in the ordinary DVD video disk player; and its compressed data decoding circuit is further added.
  • the judging text subroutine corresponding to the functions of the newly added subtitle key, repeating sentence key and comparison key resides on the read-only memory, two text switching function subroutines, two languages and characters contrast display function subroutine, and repeat One sentence function subroutine.
  • the status signal is fed to the compressed data decoding circuit through the color fluorescent display drive integrated block to perform the corresponding program operation.
  • a subtitle key, a repeat sentence key, and a control key are also added to a remote controller that is compatible with a universal D VD video player.
  • the infrared signals emitted when operating them are received by the remote control on the video player.
  • the head is converted into an electrical signal and fed to the compressed data decoding circuit for corresponding program operation.
  • the DVD player with the foreign language teaching function of the present invention which is formed according to the above-mentioned improvements to the ordinary DVD player, is turned on, and the video player system decodes the text subtitle information in the corresponding optical disc and sends it to the dynamic,
  • the static random access memory, and the font data in the software are also loaded into the dynamic, static random access memory after booting.
  • the time data in the root disc during playback according to the "subtitle" key and "control" key on the remote control or video player keypad, make the pointer point to the address of the corresponding language to be displayed, and quickly find the corresponding in the font according to the text subtitle information.
  • the text is quickly displayed or turned off by 0SD. In the displayed state, each sentence in the text subtitle information has start and end marks and corresponding time data for sentence repetition control.
  • the three function keys added on the remote controller or the keypad mentioned above a subtitle key, a repeat sentence key, and a comparison key, which are arranged in a row or a column;
  • the subtitle key is a tri-state key, especially Yes, it is a three-state circular structure key, corresponding to the closed state of the text subtitles, the first text subtitle language text state and the second text subtitle language text state, and the three states mentioned above are in order
  • the cycle can be repeated after it appears;
  • the key of the repeated sentence is a trigger key or a self-holding key;
  • the control key system is a two-state key, especially a two-state loop key, which includes a control state and a control off state , And can repeat the cycle after the two states appear in sequence.
  • the additional subroutines described above will be specifically described in combination with the embodiments.
  • the invention overcomes the defect that text subtitles cannot be displayed when playing Cap ti on Master DVD, Capt i on Master SVCD, Cap ti on Master VCD discs on current DVD video disc players, and it is not only compatible with current DVD video disc players All the functions of the system, and can also display text subtitles, to achieve some special functions: such as text subtitle switching; repeat the function of a sentence just played and two kinds of text contrast display.
  • text subtitle switching For example; Chinese and English, Korean English, The comparison between Chinese, Japanese, and Japanese shows that the application fields of the Caption master DVD, Caption master SVCD, and Caption master VCD educational discs have been expanded, which has a huge positive effect on people in China and other countries around the world to learn foreign languages with the present invention. Not only for fun music, but also for foreign language education, learning foreign languages in a relaxed and pleasant environment through contextual dialogue.
  • FIG. 1 is a schematic structural diagram of a conventional DVD player.
  • FIG. 2 is a schematic structural diagram of a DVD player according to the present invention.
  • FIG. 3 is a schematic diagram of a state of a caption key in the present invention.
  • FIG. 4 is a schematic diagram of a state of a control key in the present invention.
  • FIG. 5 is a flowchart of a subroutine for judging a text subtitle in the present invention.
  • FIG. 6 is a flowchart of a subroutine for switching functions of two text characters in the present invention.
  • FIG. 7 is a flowchart of a subroutine of a function of displaying and displaying two languages in the present invention.
  • FIG. 8 is a flowchart of a subroutine for repeating a sentence function in the present invention. The best way to implement the invention
  • FIG. 1 is a schematic diagram of a circuit structure of a conventional DVD video player
  • FIG. 2 is a schematic diagram of a circuit structure of a DVD video player with teaching functions according to the present invention.
  • the DVD video player with teaching function is improved on the basis of the existing DVD video player.
  • the existing ordinary DVD video player has a playback device including a disc drive mechanism 11, optical disc readout signal processing, and servo drive.
  • the computer dialogue circuit 14 is connected in a two-way circuit; the existing DVD video player playback function software resides on the read-only memory 132 in the compressed data decoding circuit 13, and the ROM capacity and dynamic and static random access memory 133 of the read-only memory 132
  • the RAM capacity is generally 4 megabits.
  • the present invention includes a conventional DVD video disk player 1, which is characterized by improving the existing compressed data decoding circuit 13 and the man-machine dialogue circuit 14.
  • the text data decoder 1314 is added to the compressed data decoding circuit 13 and the ROM capacity of the read-only memory 132 is expanded to 8 megabits, and the capacity of the dynamic and static random access memories 133 is expanded to 8 megabits.
  • a subtitle subroutine 21 for judging text
  • a subroutine 22 for switching between two text characters
  • a subroutine 23 for displaying and comparing two languages and characters
  • a subroutine 24 for repeating a sentence function
  • a subtitle key 1411, a repeat sentence key 1412, and a comparison key 1413 are added to the keypad 141 in the dialog circuit 14.
  • These three additional keys are the same as the existing keys, and the integrated block 142 is driven by the color fluorescent display to decode the compressed data.
  • the circuit 13 is connected to a two-way circuit; a subtitle key 1451 is added to the remote control 145 in the man-machine dialogue circuit 14, a repeating sentence key 1452 and a comparison key 1453 are added.
  • the infrared light signal generated by its operation is received by the remote control connector 144 in the host and becomes an electrical signal and sent to the compressed data decoding circuit 13,
  • the pointer points to the corresponding language to be displayed Address, quickly find the corresponding text in the font according to the subtitle text information, and quickly display it through 0SD, so that the Caption master DVD, Caption master SVCD, and Caption master VCD discs can realize the subtitle switching function in the DVD video player of the present invention and repeat completely One sentence (based on each sentence in the text subtitle information has start and end marks and corresponding time data for control) and two text contrast display functions, thus realizing Caption master DVD, Caption master SVCD, Caption master VCD education light Application on CCDVD video player.
  • the servo drive circuit 12 is a DSL-71 OA product produced by the Korean DVS company
  • the compressed data decoding circuit 13 is a compressed data decoding integrated chip ESS4408F, which includes a central processor 1310, a moving picture expert group (MPEG) decoder 1311, image text decoder 1312, audio decoder 1313 and text text decoder 1314, read-only memory 132 uses ST27C8000 chip, and dynamic and static random access memory 133 uses M12116161 (-7T) chip of EliteMT.
  • the color fluorescent display driving integrated block 142 uses NEC16312 type chip and the color fluorescent display 143 uses FUT297 type product.
  • three function keys are newly added to the keypad 141: a subtitle key 1411, a repeat sentence key 1412, and a comparison key 1413, which are also arranged in a row, and also on the remote controller 145.
  • Three new function keys are added: the subtitle key 1451, the repeat sentence key 1452, and the comparison key 1453 are also arranged in a row. They are all keys, of which the subtitle keys 1411 and 1451 are three-state loop structures ( Figure 3), and the initial state In the closed state, press the key once to display the first type of text, press the key twice to display the second type of text, and press the third key to return to the closed state.
  • the above three links are executed cyclically, while the control keys 1413 and 1453 are two.
  • State cycle structure ( Figure 4), that is, press the key once to display two kinds of comparison text, press the second key to cancel the comparison display, and press the third key to return to the initial state, that is, the two text comparison state, press the first The four times key is in the cancel state again, and the two links are executed cyclically.
  • the repeating sentence keys 1412 and 1452 are a switch trigger key (not shown).
  • step 210 after the program starts, step 211 is performed in sequence, a file retrieval table is searched, and step 212 is used to query whether a fixed bit in the information table has a pointer Text sign? If there is no text mark, go to step 213 to display loading failure; if there is a text mark, go to step 214 to confirm that it is a text subtitle, and finally go to step 215 to load the text subtitle into the dynamic and static random storage 133.
  • Step 220 the program starts, and after that, step 221 is performed in order to receive the two text text subtitle switch key values, step 222, record the switch key state 1, step 22 3, the query is Load text captions? If no text subtitles are loaded, go to step 224, the key is invalid, and the subsequent content is played in graphic format; if text subtitles are loaded, go to step 225, the first language is displayed, and then go to step 226, record switching Key value status 2. Go to step 227, and check whether you have pressed the subtitle key.
  • step 2241 If there is no subtitle key, go to step 2241, the key is invalid, press this state to continue playing the next content; if there is a subtitle key, go to step 228, display the second language text, go to step 229, record the switch key If the status is 3, go to Step 2291, and check whether there is a subtitle key. If there is no subtitle key, go to step 2242, the key is invalid, press the state before selecting to continue playing the next content; if the subtitle key is switched, go to step 2292, close the text subtitles, go to step 2293, and check whether there is a subtitle key ? If there is no subtitle key, go to step 2243 to continue playing the subsequent content; if there is a subtitle key, go back to step 221 and repeat the above process.
  • the two-language text contrast display function subroutine 23 has the following procedure:
  • Step 230 after starting the program, perform step 231 in sequence, receive two text text comparison key values, and step 232 query for text subtitles? If there is no text subtitles, go to step 2321, this key is invalid, and play the following content in graphic format; if there are text subtitles, go to step 234, point the data pointer to the current text and the corresponding font, step 235, display the two language text Check, step 236, record the current operation status, step 237, check whether you have pressed the check key?
  • step 2371 If you do not press the comparison key, go to step 2371, and press the state before the selection to continue playing the next content; if you have pressed the comparison key, go to step 2 38, close the text subtitle display, go to step 239, check whether you have pressed the comparison key? If the comparison key is not pressed, step 2391 is performed, and the subsequent content is continued; if the comparison key is pressed, the process returns to step 234, and the above processes after step 234 are performed again.
  • Step 240 is executed, the program is started, and then step 241 is executed in sequence, the key value of the repeated sentence key is received, and step 242 is performed to query whether there is an open text subtitle? If it is not turned on, go to step 243. This button is invalid, and the following content is played in graphic format. If it is turned on, then Go to step 244, record the beginning and end of the sentence just played, go to step 245, assign the time corresponding to the beginning of the sentence just played to the playback start time, go to step 246, repeat playback, go to step 247, query for No repeat sentence key pressed? If no key is pressed, step 248 is executed to continue playing the subsequent content; if the repeat sentence key is pressed, return to and execute the above process from step 241 again.
  • Caption master DVD Caption master SVCD
  • Caption master VCD Caption master VCD
  • Text subtitle information on the disc corresponding to two different language character fonts.
  • Caption master DVD, Caption master SVCD, and Caption master VCD discs have Chinese and English text subtitle information.
  • It has also added software that recognizes 1 jCaption master DVD, Caution master SVCD, and Caption master VCD light format software. It has added programs to load text caption, display text caption, and play text caption programs. 2 Added two languages.
  • the subtitle switching display and closing functions are implemented by the remote control or the CCFE caption key on the keypad (key board).
  • the specific setting is as follows: the software sets the closed caption state to the initial state.
  • the caption (CCFE caption) button displays another text caption language. Press the CCFE caption button three times to turn the caption off. Neither text caption text is displayed. After that, press the CCFE caption button again to repeat the three links in a loop.
  • Caption master DVD, Caption master SVCD, and Caption master VCD discs have both Chinese and English text subtitle text information.
  • the subtitle start status is closed (the subtitle text and text are not displayed).
  • 2 Repeat a sentence function.
  • the "CCEE repeat" key on the keypad repeats the text and subtitles of a sentence that has just been played. Each time the "repeat sentence” key is pressed, it repeats, or it is set to repeat once when the key is pressed.

Abstract

L'invention concerne un lecteur de vidéodisque numérique, à la base classique, à fonction d'enseignement de langue étrangère. Ledit lecteur comporte un décodeur de mots en mode texte, qui s'ajoute à un circuit de décodage de données comprimées et dont la mémoire morte ROM, la mémoire la mémoire vive RAM dynamique et la mémoire vive RAM statique ont une capacité étendue de 8 Mb. Dans son circuit de communication homme-machine, une touche de sous-titres, une touche de répétition de phrase et une touche de contraste sont prévues, respectivement, sur le tableau de commande à touches ou une télécommande. Dans sa mémoire morte étendue sont rangés un sous-programme d'évaluation de sous-titre en mode texte, un sous-programme à fonction de commutation entre deux mots en mode texte, un sous-programme d'affichage de contraste d'un mot en deux langues et un sous-programme de fonction pour la répétition d'une phrase, ce qui améliore les fonctions de lecture du lecteur de vidéodisque numérique et permet d'atteindre les objectifs de la fonction d'enseignement de langue étrangère.
PCT/CN2002/000297 2001-04-28 2002-04-26 Lecteur de videodisque numerique a fonction d'enseignement de langue etrangere WO2002089134A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020037011149A KR100584949B1 (ko) 2001-04-28 2002-04-26 외국어 교육 기능을 겸비한 ｄｖｄ 비디오·디스크기

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN01112793.7 2001-04-28
CNB011127937A CN1213431C (zh) 2001-04-28 2001-04-28 兼具外语教学功能的dvd视盘机

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WO2002089134A1 true WO2002089134A1 (fr) 2002-11-07

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KR (1) KR100584949B1 (fr)
CN (1) CN1213431C (fr)
WO (1) WO2002089134A1 (fr)

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KR100584551B1 (ko) * 2002-11-26 2006-05-30 삼성전자주식회사 어학 학습용 디브디 시스템 및 오디오 스트림 처리 방법
US9363575B2 (en) * 2013-02-26 2016-06-07 Roku, Inc. Method and apparatus for viewing instant replay

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US20030190148A1 (en) * 2002-03-20 2003-10-09 Lg Electronics Inc. Displaying multi-text in playback of an optical disc
KR20040044022A (ko) * 2002-11-20 2004-05-27 엘지전자 주식회사 광디스크 장치에서의 광디스크 반복 재생방법
CN101872552A (zh) * 2010-05-31 2010-10-27 殷亮 出国留学模拟工具
CN105898476A (zh) * 2014-12-08 2016-08-24 封雷迅 一种方便英语学习的按键组合

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WO2000070613A1 (fr) * 1999-05-19 2000-11-23 Kwang Su Kim Procede de creation d'informations de recherche de donnees d'images animees fondees sur des legendes, recherche de donnees d'images animees sur la base de telles informations, et appareil de reproduction utilisant ce procede

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JP2000036940A (ja) * 1998-07-17 2000-02-02 Toshiba Corp コンピュータシステムおよびデコーダ装置
WO2000070613A1 (fr) * 1999-05-19 2000-11-23 Kwang Su Kim Procede de creation d'informations de recherche de donnees d'images animees fondees sur des legendes, recherche de donnees d'images animees sur la base de telles informations, et appareil de reproduction utilisant ce procede

Cited By (2)

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KR100584551B1 (ko) * 2002-11-26 2006-05-30 삼성전자주식회사 어학 학습용 디브디 시스템 및 오디오 스트림 처리 방법
US9363575B2 (en) * 2013-02-26 2016-06-07 Roku, Inc. Method and apparatus for viewing instant replay

Also Published As

Publication number Publication date
KR100584949B1 (ko) 2006-05-29
KR20040015058A (ko) 2004-02-18
CN1213431C (zh) 2005-08-03
CN1384501A (zh) 2002-12-11

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