EP0453512A4 - Interactive video control system - Google Patents

Interactive video control system

Info

Publication number
EP0453512A4
EP0453512A4 EP19900902886 EP90902886A EP0453512A4 EP 0453512 A4 EP0453512 A4 EP 0453512A4 EP 19900902886 EP19900902886 EP 19900902886 EP 90902886 A EP90902886 A EP 90902886A EP 0453512 A4 EP0453512 A4 EP 0453512A4
Authority
EP
European Patent Office
Prior art keywords
information
user
computer
clips
clip
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP19900902886
Other languages
English (en)
Other versions
EP0453512A1 (fr
Inventor
David Bohrman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0453512A1 publication Critical patent/EP0453512A1/fr
Publication of EP0453512A4 publication Critical patent/EP0453512A4/en
Withdrawn legal-status Critical Current

Links

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
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
    • G09B5/065—Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G11B27/034—Electronic editing of digitised analogue information signals, e.g. audio or video signals on discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/34—Indicating arrangements 
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/213—Read-only discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2545—CDs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2587—Laser Discs; Optical disc using analog recording

Definitions

  • the present invention relates generally to the selective playing of information which is prerecorded in a random or non- random manner on a videodisc player. More particularly, the present invention relates to a method and apparatus for controlling the presentation of information previously recorded on the videodisc player that enables an end-user to easily select, edit and playback user-specified sequences of segments or "clips" of the information prerecorded on the videodisc by manipulating symbols on a computer system that represent these clips of information.
  • a large amount of analog or digital data can be stored on a recording medium, such as a videodisc.
  • a recording medium such as a videodisc.
  • an editing process was required, usually involving two recording media.
  • the recording device upon which the information was originally stored had to be precisely controlled to begin and end at the start and stop positions which were to be displayed in the subsequent edited version.
  • This first recording source then had to be carefully synchronized with a second recording source, upon which would be recorded in the desired sequence the information obtained from the first recording medium.
  • it was generally necessary to re-edit the recorded sequence to increase or decrease the amount of recorded information to be presented or to add or delete information.
  • the present invention is directed to that need.
  • the present invention relates to a method and apparatus for controlling the presentation of information previously recorded on a videodisc player that enables a user to simply and efficiently select and playback user-specified segments of the information prerecorded on the videodisc in an order individually determined by the user.
  • Instantaneous access to video and audio information can be controlled precisely so that preselected portions of the recorded information can be accessed at any time. All portions of selected segments can be chosen. In addition, all or selected portions of any amount to the prerecorded information can be sequentially accessed by the user of the system.
  • the interactive video control system provides a unique way of manipulating video via computer.
  • any video sequence contained on the disc is not only immediately accessible for viewing, but can be instantly customized, and replayed—either individually or in a group, in any order the user desires.
  • the present invention is markedly different from a traditional video editing system because it uses only a single-video element.
  • the present invention does not edit from something to something else. Instead, the apparatus of the present invention quickly, and at the user's control, seeks out and replays the desired video clips automatically (if desired) from just the video source.
  • a standard CAV videodisc can store approximately 54,000 frames of video. Each frame has a number, and any frame can be precisely reached.
  • all clips are referred to merely as a pair of frame numbers .... a start frame and a stop frame. This allows the same sequence of video information to be part of many different clips.
  • the system has the capability to retrieve background editorial information about the video segments, which the user can review and manipulate as desired, or add user-created textual information about the selected clips.
  • the system also allows the user to store the control information for the user-selected clips in a computer-accessible file format such that a teacher, for example, could later retrieve and play the clip created by the user.
  • Another feature of the present invention is the capability of relating textual information with the video clips being displayed.
  • the textual information can be either the background editorial information or the actual text of the audio of a video segment. For example, it is possible to allow the user to view the textual information of an entire speech and thereby select the sentence or paragraph from the textual information that will drive display of the corresponding video segment.
  • the operational flow of the preferred embodiment of the present invention is highly variable because of the use of the HyperCard program and HyperText programming language on the Apple Macintosh computer.
  • a preselected video segment that is selected by the user is displayed on the TV monitor.
  • the user is in a Custom Clip Maker card and the frames of the preselected video segment are then displayed.
  • a check is made to see if the user has selected the frame being displayed as the "in” point for the custom made clip. If so, then the frame number of the present frame is stored as the "in” point.
  • a check is also made to see if the user has selected the frame being displayed as the "out” point for the custom made clip.
  • the program checks to see if an "in” point has already been selected. If not, an error message is generated and the user is returned to select a video segment. If an "in” point is already designated, then the frame number of the present frame is stored as the "out” point of the custom made clip. If the present frame number is not selected as an "in” or "out” point, a check is made to see if the preselected video segment has ended and, if so, an error message is generated and the user is returned to select a video segment. With the "in” and "out” points for the custom clip marked, the user may use the Custom Clip Maker card to fine tune the start and stop points of the custom clip. The custom clip is then named and added to a pull-down list of clips.
  • the custom clip can be added to a lineup showing the list of available clips that includes both custom clips and preselected clips.
  • a Lineup Maker card one of the custom clips or one of the preselected clips is selected as the clip to be displayed in the lineup.
  • the user may modify the selected clip by, for example, modifying the speed at which the clip is to be played back, and the user may rearrange any or all of the clips that are listed in the lineup.
  • Each clip is represented as a uniquely selectable and modifiable button in terms of how the HyperCard program views the clips.
  • Fig. 1 is a schematic representation of the various hardware components of the preferred embodiment of the present invention.
  • Figs. 2a, 2b, 2c and 2d are pictorial representations showing an initial sequence of frames (cards) representing the displays on a computer screen in accordance with the preferred embodiment of the present invention.
  • Fig. 3 is a pictorial representation showing an introduction card for the Documentary Maker.
  • Fig. 4 is a pictorial representation showing the Presentation Control card for the Documentary Maker.
  • Fig. 5 is a pictorial representation showing the Custom Clip Maker card for the Documentary Maker.
  • Fig. 6 is a pictorial representation showing the Lineup Maker card for the Documentary Maker.
  • Fig. 7 is a pictorial representation showing the Lineup Maker card of Fig. 6 listing three segments of videodisc material (clips) selected for a particular custom clip.
  • Fig. 8 is a listing of the control information associated with a Lineup that may be saved on disc or in the memory of a computer.
  • Figs. 9a and 9b are flow diagrams showing the operational flow of the Documentary Maker.
  • Figs. 10 and 11 are pictorial representations showing the Textual Tracking card of the present invention.
  • the preferred embodiment of the present invention is programmed as a HyperCard® program running on an Apple Macintosh® computer 10 that controls the operation of a Pioneer® LD-2200, LD-V4200 or LD-V8000 videodisc player 12 that can display video images recorded on a videodisc 14 on a TV or display monitor 16.
  • the display monitor 16 is separate from the monitor or screen 18 associated with the computer 10. It will be recognized, however, that it is possible to have both the cards and the video images displayed on a single monitor using either a split screen or windowing technique as is well known in the art.
  • FIGs. 2a-2d several pictorial representations of frames of computer screen (referred to as a card) from the "In the Holy Lands" version of the present invention are shown.
  • a card the appropriate HyperCard stacks containing the programming instructions in accordance with the present invention have been loaded into the computer 10 and a user has activated the program to cause the card shown in Fig. 2a to be displayed on the monitor 18.
  • the stacks for the specially modified HyperCard program of the present invention are now operational. Operational flow proceeds to the next card, shown in Fig. 2b, where the user may change the default settings for videodisc player 12, as well as the default language that will be user for the audio track of the videodisc 14.
  • buttons 30 are where the user decides which side of the videodisc 14 the user wishes to explore. If the user get lost, the user can always return to the Side One menu (button 31) or the Side Two menu (button 32), or to any of the major modules directly from this feature that is found on every card in the system. To change sides, the user may also click the button 34 on the bottom row to the far left side of the card which resembles a bold lower case "i.” For more information on the bottom row of buttons 30, and to learn where the different buttons will take the user, the user may choose the Help button 36 represented by the question mark on the bottom row.
  • buttons 30 relating to the modules present on each of the videodisc 14.
  • Side One focuses on the History module (button 40), the Geography module (button 42) and the Religion module (button 44).
  • Side Two deals with the Issues module (button 50), the Children module (button 52) and the Intifadah module (button 54).
  • Common to Side One and Side Two is the Resource module (button 60) which is further divided into glossary definitions, biographies and documents.
  • the History module is essentially a visual timeline of the major events during the last one hundred years in the Middle East. This module is the primary source of information on this side of the videodisc 14.
  • the user can learn about and study the key events which have taken place during the last one hundred years of Middle East history.
  • the user can choose to view events in alphabetical or chronological fashion, or zoom in on the timeline itself.
  • To explore the timeline the user first clicks on any of the blocks of time. From there, clicking on an event itself takes the user to information about that event, or clicking again on the timeline takes the user even deeper into the timeline.
  • Major video support if it is available for that event, can be found above the horizontal line on the information card. Perspectives takes the user to a card from which the user can weigh different views of the historical event. Other supporting information such as documents, maps, biographies and file video is available below the horizontal line. File video events are silent. It will be understood that bold words link to additional support in the Resource module.
  • the Religion module lets the user explore thousands of years of history focusing on the city of Jerusalem. The user can learn about the three major religions in this embattled city. The user can see how the clash of religions has provoked battles among armies throughout history. The user can read World Book Encyclopedia entries on the background of Islam, Judaism and ceremonies. Maps, pertaining to the troubled biblical history of the region, can be studied and viewed with respect to modern political boundaries. Side Two modules
  • the Intifadah module lets the user briefly explore the uprising itself, and see why it has been so powerful.
  • the Documentary Maker of the preferred embodiment of the present invention will be described.
  • the user-selected video clips that form the user's "documentary” are assembled using a "lineup,” in which a sequence of video clips is specified by the user.
  • the Documentary Maker lets the user construct a user-selected lineup from the video material stored on the videodisc 14.
  • the Documentary Maker has three components — the Presentation Control card 100, the Custom Clip Maker card 120 and the Lineup Maker card 140. With a two-sided videodisc system, duplicate cards 100, 120 and 140 for each side of the videodisc 14, along with an introduction card, make up the cards for the Documentary Maker.
  • Fig. 3 shows the introduction card that introduces the user to the Documentary Maker and allows the user to select which side of the videodisc 14 if the user is not presently operating on a particular side of the videodisc 14 that will be used for constructing the user-selected lineup of video segments or clips. If the user is already on Side 1 or Side 2, selecting the scissors button 90 as described below will take the user to the Documentary Maker for the side of the videodisc 14 that the user is currently working with and the introduction card will not be displayed. In this embodiment, the user is limited to selecting clips from either Side 1 or Side 2 of the videodisc 14 by using button 70 for Side 1 and button 72 for Side 2.
  • the invention could be programmed to allow the user to select clips from both sides of the videodisc 14, however, a significant delay in viewing consecutively ordered clips that the user has selected for a lineup will occur if current videodisc players 12 are used to replay such a lineup.
  • a video control panel 80 (as shown, for example, in the rightmost portion of Fig. 4) lets the user control the functions of the videodisc player 12. Clicking the controller button 82 in the bottom row to show or hide the video control panel 80. When viewing most pre-programmed video segments within the system, a small version of the control panel 80 will pop up on the computer monitor 18. Additional controls for the videodisc player 12, such as different speeds, audio settings, etc. can be found by expanding the control panel 80 (to do this, the user clicks the zoom box 84 at the top right of the panel). To learn more about how to use the expanded the control panel 80, the user may go to the Help system via the question mark 36 on the bottom row of buttons, and then select the video control button 82. The user will be able to click on any part of the control panel 80 and find out what it does.
  • the Documentary Maker Presentation Control card 100 When the user clicks the scissors button 90 in the bottom row, the Documentary Maker Presentation Control card 100 will appear on the monitor 18, as shown in Fig. 4. The user can control all of the video clips on the videodisc 14 with this card quickly and easily.
  • the preprogrammed video segments available on each side of the videodisc 14 are listed under the large buttons 92 down the left side of the card 100.
  • a pop-up menu When the user presses and holds down any of the large buttons 90, a pop-up menu will appear listing all of the preprogrammed video segments associated with that particular large button. In essence, the user has up to one hundred videotape machines cued up and ready to roll with preprogrammed video segments.
  • the Documentary Maker cues up the first frame of that particular video segment.
  • the user can play, rewind, speed up or slow down the clip with the control panel 80 on the right side of the card.
  • Custom Clip Maker Card All of the user-selected custom made video clips begin at an
  • the user can specify one or more user- selected video clips and add them to the Presentation Control card 100 under the Lineups large button 94.
  • the user first selects a preprogrammed video segment from one of the pop-up menus using the large buttons 92. The user then clicks Play on the control panel 80. As the video segment is playing, the user clicks the New Start button 122 to mark a new "in” point and the New Stop 124 button to make a new "out” point.
  • the user may use visual or audio cues in the video, e.g.* a raised eyebrow, a cleared throat, a scene change, to identify the desired "in” and “out” points. If the user does not select a new "in” point or a new “out” point, the system uses the “in” and “out” points for the video segment that Is being played.
  • the user can check the "in” and “out” points with the Check Start and Check Stop buttons 126 and 128. The user also can watch the entire clip with the Preview Clip button 130. Most likely, the "in” and “out” points will need fine tuning. By using the Step button 132 to find the perfect edit point, the user may perform such fine tuning.
  • the user can name the clip and add it to the pull-down list with the Add Clip to List button 134. The clip will now appear in the pull-down window associated witbi the Lineups button 94. It also will be added to the presentation control card in the Custom Clips list.
  • the user can create a custom sequence of up to 20 clips.
  • the user presses and holds down the Lineups button 94.
  • a pop-up menu will appear, hi the preferred embodiment, one of the items listed in the pop-up menu is entitled Sample lineups side 1.
  • the Sample lineups side 1 card will appear with a sample clip already present in the list on the right of the card as shown in Fig. 7
  • the user may choose preselected clips available with the videodisc materials or any of the custom made and user-named clips, or any combination of these two, from the pop-up menu. It will appear on the selection line near the top of the card. The user may then drag the selected clip into the desired slot in the lineup.
  • the user may duplicate any clip already on the list by holding down the option key and dragging the clip into a new slot. The user need not fill all of the slots in the lineup.
  • the user may click the modifying dot "•" 142 to the left of the clip name.
  • the user can also rename the clip or add the user's own comments about the clip.
  • Automatic display plays the entire sequence, clip by clip, without stopping. Blank slots are ignored.
  • Manual display waits for a mouse click before advancing to the next clip, thereby giving the user an opportunity to pause during a presentation. Even in the manual display mode, the program will skip over blank slots. Clicking the mouse 20 while a clip is playing aborts the entire sequence when in manual mode and advances to the next event in the sequence in automatic mode.
  • Lineups may be saved to disk using the Save Lineup option under the Lineups pop-up menu, or retrieved from disk using the Retrieve Lineup option.
  • the ability to save and store lineups allows the user to make use of the power of the Presentation Maker button 96.
  • the Presentation Maker feature allows the user to combine the user selected lineups and any supplemental text the user wish, into an integrated text and video lesson.
  • the variable stored in the Lineup Format 199 are stored in text file format.
  • a Lineup Format 199 will be related to a selected a side of the videodisc 14. It will be noted, however, that the variable 3,2 (Device) allows the Lineup Format 199 to be utilized with more than just the videodisc player 12 of the preferred embodiment of the present invention.
  • the "in" points and "out” points may be stored as frame numbers, timecodes, CD- ROM address, or track and block designations for a CD audio system.
  • Appendix A contains the Documentary Maker listing from the "Vote 88" videodisc materials.
  • Appendix B contains the Documentary Maker listing from the “In the Holylands” videodisc materials.
  • Appendix C contains the Documentary Maker listing from the "Martin Luther King, Jr.” videodisc materials.
  • the user next selects which one of the preselected video segments will be used as the source of the video information to be included in the custom made clip by clicking on one of the large buttons 92.
  • the video information arranged in the preselected video segments could be arranged according to general topic (as shown in the preferred embodiment), or could be arranged by frame number or any other sequence as may be desired. It will also be recognized that the same section of video information may appear in more than one of the preselected video segments identified by the large buttons 92.
  • step 204 the preselected video segment selected by the user is displayed on the monitor 16.
  • the user is using the Custom Clip Maker card 120.
  • the default "in” and “out” points will be the “in” and “out” poitns for the selected video segment.
  • step 206 a check is made to see if the user has selected the frame being displayed as the "in” point for the custom made clip. If so, then the frame number of the present frame is stored as the "in” point at step 208 and operational flow continues back to step 204.
  • step 210 a check is made to see if the user has selected the frame being displayed as the "out” point for the custom made clip.
  • step 212 the program checks to see if the "in” and "out” point are within the valid range of the selected video segment. If not, an error message is generated and the user is returned to select a video segment at step 202. If the present frame number is not selected as an "in” or "out” point, a check is made to see if the preselected video segment has ended at step 214. If not, operational flow is directed back to step 204 to play the next frame of the selected video segment. If the selected video segment has ended, then the user is returned to select another video segment at step 202. The user may also go from this point to step 220 to fine tune the custom clip as described hereinafter.
  • step 212 if an "in” and “out” pointsare within range as checked by step 212, then the frame number of the present frame is stored as the "out" point of the custom made clip at step 216 and operational flow proceeds to step 220.
  • the user may use the Custom Clip Maker card to fine tune the start and stop points of the custom clip at step 220. It will be noted that a user may also enter the operational flow at step 220 if reediting of a previously marked custom clip is desired.
  • the custom clip is named and added to the pull-down list of clips using the Add Clip to List button 134. At this point, the individual custom clip has been created.
  • Operational flow now enters the Lineup Maker card 140.
  • the custom clip Once the custom clip has been named in step 222, it is added to the lineup showing the list of clips in card 140.
  • one of the custom clips or one of the preselected clips is selected as the clip to be displayed in the lineup.
  • the user may modify certain attributes of the selected clip by, for example, modifying the speed at which the clip is to be played back.
  • the user may rearrange any or all of the clips that are listed in the lineup.
  • Each clip is represented as a uniquely selectable and modifiable button in terms of how the HyperCard program views the clips.
  • a Textual Tracking card 300 is used to present textual information associated with a given video segment.
  • the textual information may be the actual text of the audio portion of the video segment, or may be editorial or other information, such as charts, graphs, equations, etc.
  • the textual information is presented along the righthand side of the card 300 and a play video button 302 is present in the upper lefthand corner of the card 300.
  • the user selects the desired portion 304 of the textual information by highlighting the desired portion 304 using either the cursor or mouse associated with the computer 10.
  • the computer searches through a catalog file associated with the given video segment and identifies the "in” point and "out” point related to the desired portion 304.
  • each sentence of the textual information is identified by an "in” and "out” point that is stored in the catalog file.
  • catalog points associated with the textual information could be divided in any manner desired and that it is also possible to concatenate catalog points to create strings of video information associated with the desired portion 304 of the textual information.
  • the Documentary Maker feature of the present invention allows students to reference specific videodisc visuals within their research report using the Macintosh computer 10. Inclusion of the visuals serves to reinforce the student's written words and provides the teacher with an additional means of assessing comprehension. This feature allows both the student and teacher to experience an exciting new twist to traditional library research.
  • Maker and a videodisc 14 might be to have the students choose clips that best express the following: a) Sanctuary vs. Struggle, b) Independence vs. Catastrophe; or c) Terror vs. Defiance. Another example would be to have the student prepare a statement of the Israelis' point of view or a Vietnamese statement using clips from at least six segments. The student could then prepare a balanced view of the situation using at least eight clips.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Television Signal Processing For Recording (AREA)
  • Details Of Television Systems (AREA)
  • Studio Circuits (AREA)
  • Selective Calling Equipment (AREA)

Abstract

Un procédé et un appareil de commande de la présentation d'informations enregistrées antérieurement par magnétoscope (12) permettant à un utilisateur de sélectionner et de reproduire de manière simple et efficace des segments spécifiés par l'utilisateur des informations pré-enregistrées dans le disque vidéo (14), dans l'ordre qu'il aura déterminé. L'accès instantané à des informations vidéos et audio peut être commandé avec précision, ce qui permet d'avoir accès à n'importe quel moment à des parties présélectionnées des informations enregistrées. Toutes les parties des segments sélectionnés peuvent être choisies. En outre, l'utilisateur du système peut avoir successivement accès à toutes les parties sélectionnés des informations pré-enregistrées, ou à n'importe quelle quantité de ces parties.
EP19900902886 1989-01-11 1990-01-10 Interactive video control system Withdrawn EP0453512A4 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US29571289A 1989-01-11 1989-01-11
US295712 1989-01-11
US46271890A 1990-01-09 1990-01-09
US462718 1990-01-09

Publications (2)

Publication Number Publication Date
EP0453512A1 EP0453512A1 (fr) 1991-10-30
EP0453512A4 true EP0453512A4 (en) 1993-08-18

Family

ID=26969275

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900902886 Withdrawn EP0453512A4 (en) 1989-01-11 1990-01-10 Interactive video control system

Country Status (4)

Country Link
EP (1) EP0453512A4 (fr)
JP (1) JPH04505070A (fr)
AU (1) AU635176B2 (fr)
WO (1) WO1990008359A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5099422A (en) * 1986-04-10 1992-03-24 Datavision Technologies Corporation (Formerly Excnet Corporation) Compiling system and method of producing individually customized recording media
JPH053968A (ja) * 1991-06-25 1993-01-14 Pioneer Electron Corp 映像表示、及びその表示に連動する運動装置
FR2700653B1 (fr) * 1993-01-19 1995-03-03 Brissiaud Jean Jacques Installation audiovisuelle pour salle de conférences.
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AU635176B2 (en) 1993-03-11
EP0453512A1 (fr) 1991-10-30
WO1990008359A1 (fr) 1990-07-26
JPH04505070A (ja) 1992-09-03
AU5037190A (en) 1990-08-13

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