JP4488516B2 - Video delay display system, computer program, and information storage medium - Google Patents

Description

  The present invention relates to a video delay display system, a computer program, and an information storage medium, and particularly stores video data (hereinafter referred to as audio data) sent from a digital camera or the like in a HDD (hard disk drive) in real time. The present invention relates to a video delay display system that can be played back with a delay of an arbitrary set time, a computer program that controls the system, and an information storage medium that stores the computer program.

  In recent years, moving image data shot by a digital camera or the like, or television broadcasted moving image data (both including audio data) are reproduced in real time, and the moving image data is delayed for a predetermined time. Video delay display systems that can also be played back have been developed.

  In general, such moving image data (video data) is composed of a sequence of image data for a plurality of screens obtained by scanning a plurality of still screens one by one, and a video signal for carrying such video data. Is a digitized serial signal. As means for outputting these video signals after being delayed by a predetermined time, a shift register composed of a semiconductor memory such as a RAM is used, or an HDD having two independent heads (a write head and a read head). Means using (see FIG. 12) are known.

  Note that a process of reproducing image data recorded on an HDD (or one head) or the like after recording is also considered as a kind of video delay process. Such a video delay means is used in a DVD recorder or the like with a built-in HDD.

  Also. As a technique using a shift register composed of a semiconductor memory such as a RAM, for example, as a technique that can cope with a moment when a user wants to miss an image he / she wants to watch, it is disclosed in Patent Document 1 (Japanese Patent Laid-Open No. 5-176230). Technology has been developed.

On the other hand, as a standard suitable for transmission / reception of such serial signals, USB (Universal
Serial Bus) standard has been established. This standard has the following characteristics.
(1) With the same connector (connection terminal), a maximum of 127 devices can be connected in a daisy chain system.
(2) The device can be connected to the connector with the PC turned on.
(3) The maximum data transfer rate per second is 12 [MB].
(4) Enables automatic recognition of devices connected to a PC.

  In recent years, a storage device (hereinafter referred to as “USB memory device”) in which a storage medium (memory) is directly connected to a connection terminal having the USB standard has been developed. The program stored in the USB memory device can be executed simply by loading the device into a personal computer.

JP-A-5-176230

  However, in such a conventional video delay display system, there is a problem that practical video delay performance cannot be obtained because the disadvantages of the delay device used as the delay means of the video signal are not taken into consideration. It was.

  For example, the means using a shift register composed of a semiconductor memory such as the RAM described above has the advantage that the write operation speed is fast and suitable for real-time processing, but the information amount of the image data is enormous, In order to secure the video delay of time, there is a problem that a large amount of expensive semiconductor memory is required, which is difficult to realize from the viewpoint of cost.

  Further, in the case of the means using the HDD having the two independent heads described above, it has an advantage that the storage capacity is large and a long video delay can be ensured, but the operation speed of the HDD itself is slow, In addition, since overhead such as buffer control by the OS (operating system) cannot be ignored, there is a problem that it is not suitable for real-time processing or instantaneous delay operation.

  Further, the means for reproducing the image data recorded on the HDD (or one head) or the like after the recording must be a kind of delay means, but the user operation is performed between the recording process and the reproduction process. There is a problem that it is necessary to intervene, and it takes a burden on the user. Further, in this case, there is a problem that the delayed video cannot be continuously broadcast (that is, the recording cycle, the delay cycle, and the display cycle can be continuously performed).

  Therefore, an object of the present invention is to provide a video delay display system capable of accurately delaying a video signal (including audio) regardless of the length of the delay time.

  Another object of the present invention is to provide a video delay display system that can continuously play back a delayed video signal without intervention of a user operation, and is suitable for confirming a form of a sport such as golf. It is to provide.

  Another object of the present invention is to provide a small video delay display system suitable for being carried or carried outdoors.

  Another object of the present invention is to provide a computer program capable of controlling a video delay display system that enables an accurate delay operation of a video signal regardless of the length of the delay time.

  Another object of the present invention is to provide a video delay display system capable of continuously playing back a delayed video signal without intervention of a user's operation and enabling confirmation of a form of a sport such as golf. An object of the present invention is to provide a computer program that can control the above.

  Another object of the present invention is to provide a computer program capable of controlling a small video delay display system suitable for being carried or carried outdoors.

  Another object of the present invention is to store a computer program capable of controlling a video delay display system that enables a delay operation of a video signal regardless of the length of the delay time, and to store the computer program when loaded in a computer. An object of the present invention is to provide an information storage medium having a USB standard connector that can automatically cause a computer to execute a program.

  Another object of the present invention is to provide a video delay display system capable of continuously playing back a delayed video signal without intervention of a user's operation and enabling confirmation of a form of a sport such as golf. It is an object to provide an information storage medium having a USB standard connector capable of storing a computer program capable of controlling the computer and allowing the computer to automatically execute the program when loaded in the computer.

  Furthermore, another object of the present invention is to store a computer program capable of controlling a video delay display system that enables a delay operation of a video signal regardless of the length of the delay time, and to store the computer program when loaded in a computer. An object of the present invention is to provide an information storage medium having a USB standard connector that can automatically cause a computer to execute a program.

  The present invention has been made in view of the above-described problems of the conventional video delay display system, and is a video delay display system including means for delaying a digital signal corresponding to moving image data obtained by photographing a subject. And a means for detecting that a storage device incorporating the information storage medium is loaded in the computer and starting the computer program stored in the information storage medium in the computer, and controlled by the computer program Means for setting at least a delay time of the digital signal and a reproduction time of data corresponding to the digital signal, a plurality of delay means corresponding to the delay time, and Among delay means, select a delay means suitable for the delay time set by the setting means. Means for delaying the digital signal by the selected delay means by the delay time, recording means for recording the moving image data, and data corresponding to the delayed digital signal, Means for continuously reproducing the image data during recording, means for stopping the recording and reproduction, and continuously reproducing the recorded moving image data for the reproduction time set by the setting means. And a means for stopping the recording in the middle of the video delay display system.

  By configuring in this way, it becomes possible to arbitrarily set the delay time of the video signal etc. obtained by photographing with a digital camera, and sports forms such as golf without intervention of the user's operation It is possible to provide a convenient video delay display system that can be confirmed.

  Further, in the video delay display system, the delay means uses a shift register constructed by a semiconductor memory when the delay time set by the setting means does not exceed a predetermined constant value, and the delay time is predetermined. When the value exceeds a certain value, a hard disk drive is used. By configuring in this way, the characteristics of each delay operation of the shift register constructed with a semiconductor memory and the hard disk drive device are taken into account, and the advantages of both are used to obtain an accurate video regardless of the length of the delay time. An image delay display system that enables a delay operation can be provided.

  In the video delay display system, the storage device incorporating the information storage medium is a device having a connection terminal compatible with the USB standard. With this configuration, the program (software) stored in the information storage medium is automatically activated and executed on the personal computer simply by loading (inserting) the storage device into the personal computer, for example. be able to.

  Further, in the video delay display system, the computer is a portable terminal device or a computer that can be carried out outdoors.

  With this configuration, the system can be used even outdoors (including outdoors) without power supply facilities, and video data stored in the HDD can be connected to a communication line such as a cellular phone network. Via the other system.

Further, the present invention provides a computer program for controlling a video delay display system provided with means for delaying a digital signal corresponding to moving image data obtained by photographing a subject, and (a) at least the digital signal delay time, and the playback time of data corresponding to the digital signal, a setting step for setting the user, (b) a plurality of delay steps corresponding to the delay time, (c) of said plurality of delay steps A step of selecting a delay step suitable for the delay time set by the setting step, and (d) a step of delaying the digital signal by the delay time by the selected delay step ; ) and recording step for recording the moving image data, the data corresponding to the digital signal said delay (f) A step of reproducing when the moving image data recorded continuously Nde interpolation, the step of stopping the (g) the recording and the reproduction, the moving image data recorded (h), set by the setting step (I) a step of stopping the recording halfway, and in the delay step, the delay time set in the setting step is a predetermined time. Provided is a computer program for controlling a shift register constructed with a semiconductor memory when a predetermined value is not exceeded and for delaying by controlling a hard disk drive when the delay time exceeds a predetermined value It is.

  Further, the computer program is stored in an information storage medium built in a storage device having a USB standard compatible connection terminal.

  Furthermore, the computer program is executed on a portable terminal device or a computer that can be carried out outdoors.

  In addition, the present invention stores the computer program according to any one of claims 5 to 8, and has a function of detecting the computer program when the computer program is loaded and starting the computer program in the computer. An information storage medium characterized by being built in a storage device is provided.

  Further, in the information storage medium, the storage device is a device having a connection terminal corresponding to a USB standard.

  Furthermore, in the information storage medium, the computer is a portable terminal device or a computer that can be taken out outdoors.

  According to the video delay display system of the present invention, it is possible to arbitrarily set a delay time of a video signal or the like obtained by photographing with a digital camera, and golf or the like without intervention of a user operation. It is possible to provide a convenient video delay display system capable of checking a sports form.

  In particular, considering the characteristics of each delay operation between the shift register constructed with semiconductor memory and the hard disk drive, and taking advantage of both, accurate video delay operation is possible regardless of the length of the delay time. A video delay display system can be provided.

  In addition, a program (software) stored in an information storage medium can be automatically started and executed on a personal computer simply by loading (inserting) a USB-compliant storage device into the personal computer, for example. A video delay display system can be provided.

  Furthermore, by making the computer to be used a portable terminal device or a computer that can be carried out outdoors, it can be used even outdoors without power supply facilities (including outdoors), and the obtained audio data and images It is possible to provide a video delay display system capable of transmitting data to another system via a communication line such as a cellular phone network.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
In the description of each embodiment, the video delay display system according to the present invention will be described in detail. However, the computer program according to the present invention is a program implemented as each component included in the video delay display system. For this reason, the explanation about the program is included in the following explanation. Further, since the information storage medium according to the present invention is a recording medium on which the program is recorded, the description regarding the information storage medium is also included in the following description.

  FIG. 1 shows the overall configuration of a video delay display system according to an embodiment of the present invention. As shown in FIG. 1, the video delay display system according to the present embodiment includes a mobile terminal device 1 that processes video data, a USB memory 2 that stores a program that controls processing of video data, and a subject. It is composed of a normal digital video camera 3 for photographing and a USB camera 4 for photographing a subject.

  The portable terminal device 1 is a portable terminal device that includes a mobile phone with a digital camera in its category, or a terminal device that can be easily taken out outdoors (in the field). The configuration of the mobile terminal device 1 will be described later with reference to FIG. 2, and is assumed to have a function (plug and play) for automatically recognizing a device connected via a USB standard connector.

  The USB memory 2 incorporates an information storage medium that is directly connected to a USB standard connector. The digital video camera 3 is a digital video camera compliant with the IEEE 1394 standard. The USB camera 4 is a digital video camera compliant with the USB standard. In this embodiment, the digital video camera 3 and the USB camera 4 are both provided as photographing means. However, in general, the present invention may be provided with only one of them.

  The mobile terminal device 1 automatically recognizes that the USB memory device 2 is loaded, activates a program stored in the memory device, and captures a video signal of a subject photographed by the digital video camera 3 or the USB camera 4 Process. This processing includes video data recording processing, delay processing, real-time playback processing, and delay playback processing corresponding to this video signal.

  FIG. 2 shows a configuration example of a mobile terminal device provided in the video delay display system according to the embodiment of the present invention. The portable terminal device 1 shown in FIG. 2 records a CPU 11 that controls the whole, a RAM 12 that stores a control program for the CPU 11 and data being processed, a ROM 14 that stores data supplied to the CPU 11, and video data and the like. HDD (Hard Disk Drive Device) 14, a display unit 15 for reproducing (displaying) video data, a display interface 16 for converting video signals into displayable video data, and for inputting user commands and data The operation unit 17, an operation interface 18 for converting user commands and data into internal codes, an IEEE 1394 interface 19 for converting video signals input based on the IEEE 1394 standard into digital internal signals (video data), and a USB The video signal input based on the standard is converted into a digital internal signal (video Includes a USB interface 110 for converting the data), the.

The display unit 15 includes a CRT display and a liquid crystal display (LCD).
Crystal display), electroluminescence (EL) display, or plasma display panel (PDP)
Display panel) or the like. The operation unit 17 can include a keyboard including character keys, enter keys, function keys, and the like, a pointing device such as a mouse, a touch pad, and a pen device.

  Hereinafter, functions of the video delay display system according to the present embodiment will be described.

  Since the mobile terminal device 1 has a function of automatically recognizing a device connected via a USB standard connector, the USB memory 2 is stored in the memory when the USB memory 2 is connected via the connector. While loading the program into the executable area, the OS (operating system) grants the execution right to the program, and moves the control flow to the start address of the program. Thereby, thereafter, the control by the CPU 11 (FIG. 2) of the mobile terminal device 1 is executed by the program (therefore, the processing of the CPU 11 described below is controlled by the program).

  FIG. 3 shows an opening screen displayed by the video delay display system according to the present embodiment. First, the CPU 11 displays the opening screen shown in FIG. As shown in FIG. 3, the opening screen includes an area (reference numeral 51) for displaying the title of the screen (here, “sports mirror”) and a message (here “multiple video devices are found”). "Please select." The message area (reference numeral 52) for displaying "" and a menu of available camera devices (here "DV device / USB camera") are displayed, and the user selects the camera device. A device selection area (reference numeral 53) for receiving a signal, an execution preparation confirmation area (reference numeral 54) for displaying a signal sign (here, “OK”) and instructing the user to perform an executable signal, And a logo display area (reference numeral 55) for displaying the logo of the present system.

  The user selects a camera device to be used in the device selection area 53 by pressing it with a pointing device such as a pen device according to the instruction on this screen, confirms that the preparation for photographing is completed, and then clicks “OK”. The displayed execution preparation confirmation area 54 is pressed with a pointing device such as a pen device. Thereby, CPU11 displays the setting screen shown in FIG.

  FIG. 4 shows a delay setting screen displayed by the video delay display system according to the present embodiment. As shown in FIG. 4, in this delay setting screen, a delay display screen 61 on which video data obtained by shooting is delayed and displayed, and a real-time display screen 62 (in real time) that displays video data obtained by shooting. A preview screen), a delay time display unit 63 that displays the set delay time of the video signal, a recording start button 611 that the user presses when recording starts, and an end button 612 that the user presses when processing ends. And a preview position selection for designating which of the four corners of the setting screen the display concealment button 613 that the user presses to hide the operation-related display from the setting screen and the real-time display screen 62 (preview screen). Button 615, left / right inversion button 616 for inverting the left / right of the setting screen, and delaying the video signal A delay time setting slider bar 617 for specifying a while, is displayed.

  The user sets the display position of the preview screen, the delay time of the video signal, and the like via this delay setting screen, confirms that the recording preparation is completed, and then presses the recording start button 611. As a result, the CPU 11 displays the recording screen shown in FIG.

  FIG. 5 shows a recording screen displayed by the video delay display system according to the present embodiment. In the recording screen shown in FIG. 5, a recording delay screen 61 (nothing is captured until the set delay time is reached) is displayed together with a display indicating “recording”. At this time, a preview screen during recording can also be displayed (not shown). In this screen, a recording stop button 621 is displayed as an operation-related display. The recording stop button 621 is a button that is pressed by the user when recording is stopped and the recorded video data or the previously recorded video data file is reproduced. When this button is pressed, the recording process ends and the process proceeds to a moving picture playback / setting process (described later), and the CPU 11 displays the moving picture playback / setting screen shown in FIG.

  FIG. 6 shows a recording screen displayed by the video delay display system according to the present embodiment. As shown in FIG. 6, in this video playback / setting screen, a return button 631 pressed by the user when returning to the delay setting screen, an end button 632 pressed by the user when ending the processing, and an operation from the setting screen A display hiding button 633 that the user presses when hiding the display, and a nine-screen mode playback button 634 that the user presses when simultaneously playing the video files for nine screens including the current recording file and the past recording file. (See FIG. 8 to be described later), a file selection button 635 to be pressed by the user when selecting video data to be played back from past recorded files (see FIG. 7 to be described later), and a playback speed setting slider for setting the playback speed Bar 636, playback time setting slider bar 637 for setting playback time (width), and playback / pause A reproduction-pause button 638 that the user has pressed is displayed when.

  When the return button 631 is pressed, the delay setting screen (FIG. 4) is displayed again. In addition, the play / pause button 638 functions as a play start button here, and when this button is pressed, the current recorded file starts to be played. Thereafter, when the playback / pause button 638 is pressed, the playback is paused. When the end button 632 is pressed, the process ends at any time.

  FIG. 7 shows a file selection screen displayed in the video delay display system according to the present embodiment. As shown in FIG. 7, on this file selection screen, the same display as the operation related display shown in FIG. 6 is made as the display related to the operation together with the display of the previously recorded moving image file (indicated by the recording time, etc.). The However, when the return button 631 is pressed, the above-described moving image reproduction / setting screen (FIG. 6) is displayed.

  FIG. 8 shows a nine-screen mode playback screen displayed by the video delay display system according to the present embodiment. As shown in FIG. 8, in this nine-screen mode playback screen, the operation shown in FIG. 6 is displayed as a display related to the operation together with a simultaneous playback screen of nine moving image files (indicated by recording time, etc.) recorded in the past. The same display as for is made. However, when the return button 631 is pressed, the above-described moving image reproduction / setting screen (FIG. 6) is displayed.

  FIG. 9 shows a flow at the time of video data delay processing in the video delay display system according to the present embodiment. FIG. 9 shows a case where a shift register composed of a RAM is used as a delay device for delaying video data (when the set delay time is short). A digital camera 3 is used for photographing a subject. The video signal output from the digital camera 3 is converted into a digital internal signal by the IEEE 1394 interface 19, stored in the HDD 14, and displayed as a preview screen on the display unit 15 through the display interface 16. At the same time, this digital internal signal is input to the RAM 12 as a delay device, the output is taken out, and is reproduced as a delay screen on the display unit 15 via the display interface 16.

  FIG. 10 shows a flow at the time of video data delay processing in the video delay display system according to the present embodiment. FIG. 10 shows a case where a shift register composed of an HDD is used as a delay device for delaying video data (when the set delay time is short). A digital camera 3 is used for photographing a subject. The video signal output from the digital camera 3 is converted into a digital internal signal by the IEEE 1394 interface 19 and stored in the HDD 14W (an HDD having a writing head and a reading head independently) functioning as a delay device. And displayed as a preview screen on the display unit 15 via the display interface 16. The digital internal signal read by the read head of the HDD 14W is reproduced as a delayed screen on the display unit 15 via the display interface 16.

  FIG. 11 shows the principle of the video data delay device in the video delay display system according to this embodiment. The delay device shown in FIG. 11 includes a shift register using a semiconductor memory (RAM). The flip-flops DFF1 to DFFn of this shift register are all D-type flip-flops. In this delay device, a delay time corresponding to the period of the clock CP × (the number of flip-flop stages) can be realized. The output signals St1 to Stn are respectively input to gates controlled by output signals from a delay time setting circuit (not shown), and the output signals of these gates become the outputs (digital internal signals) of this delay device.

  FIG. 12 shows the principle of another delay device for video data in the video delay display system according to this embodiment. The delay device shown in FIG. 12 is configured by an HDD provided with a write head and a read head independently. The track Tn written by the write head HW is a track that precedes the track Ti read by the read head HR by a set delay time.

  13 and 14 are flowcharts showing the flow of processing in the video delay display system according to this embodiment. In FIG. 13, first, the CPU 11 is controlled by an internal program loaded from the RAM 12. Here, when the user loads the USB memory device 2 into the portable terminal device 1 (step S1), the CPU 11 automatically recognizes that the USB memory device 2 is loaded and stores it in the USB memory device 2. A program related to video processing is loaded into the execution area of the core (step S2). Next, the CPU 11 (its OS) gives an execution right to the loaded video processing related program, and shifts the control flow to the start address of the program (step S3). Next, the CPU 11 displays an opening screen (FIG. 3) on the display unit 15 (step S4).

  Through this opening screen, the user selects a camera device (step S5). Next, the user signals the recording preparation OK via this opening screen (step S6). Thereby, CPU11 displays a delay setting screen (Drawing 4) on indicator 15 (Step S7). The user sets a delay time and the like via this delay setting screen (step S8). Thereby, the CPU 11 selects a delay device suitable for the set delay time and makes it available (step S9).

  The user who has set the delay time etc. continues to press the recording start button (step S10). As a result, the CPU 11 displays a recording screen (FIG. 5) on the display unit 15 (step S11). Subsequently, the CPU 11 records the captured video data on the HDD and displays it on the display unit 15 as a preview screen. At the same time, this video data is input to the selected delay device. Further, the output of the delay device is displayed on the display unit 15 as a delay screen (step S12).

  Next, the CPU 11 verifies whether or not the recording stop button 621 has been pressed. If the recording stop button 621 has not been pressed, the process returns to step S12. If the recording stop button 621 has been pressed, the process proceeds to step S14. (Step S13). In step S <b> 14, the CPU 11 displays a moving image playback / setting screen (FIG. 6) on the display unit 15. Subsequently, the CPU 11 verifies whether or not the return button 631 is pressed. If the return button 631 is pressed, the process returns to step S7. If the return button 631 is not pressed, the process proceeds to step S16 (FIG. 14). (Step S15). In step S16, the user sets the playback time, playback speed, and the like via the above-described moving image playback / setting screen.

  Thereafter, the CPU 11 verifies whether or not the file selection button has been pressed. If the file selection button has been pressed, the process proceeds to step S18. If the file selection button has not been pressed, the process proceeds to step S20 (step S15). . In step S <b> 18, the CPU 11 displays a file selection screen (FIG. 7) on the display unit 15. Through this file selection screen, the user selects a file to be reproduced and printed (step S19). Thereby, the flow of control moves to step S22. In step S20, the CPU 11 verifies whether or not the 9-screen mode button has been pressed. If the 9-screen mode button has been pressed, the process proceeds to step S21. If the 9-screen mode button has not been pressed, the process proceeds to step S20. Move.

  In step S21, the CPU 11 displays a nine-screen mode reproduction screen (FIG. 8) on the display unit 15, and proceeds to step S22. In step S22, the CPU 11 verifies whether or not the return button 631 has been pressed. If the return button 631 has been pressed, the process returns to step S14 (FIG. 13), and if the return button 631 has not been pressed, step S23. Proceed to

  In step S23, the user presses the playback button. Immediately thereafter, the CPU 11 verifies again whether or not the return button 631 has been pressed. If the return button 631 has been pressed, the process returns to step S14 (FIG. 13), and if the return button 631 has not been pressed. Proceed to step S25. In step S25, the CPU 11 starts playback of the moving image. Note that the video data of the moving image to be reproduced is selected from the current recording file or a past recording file. Next, the CPU 11 verifies whether or not the set playback time has elapsed. If the set playback time has elapsed, the CPU 11 ends the process, and if the set playback time has not elapsed, step S27. (Step S26).

  In step S27, the CPU 11 verifies whether or not the end button has been pressed. If the end button has been pressed, the process ends. If the end button has not been pressed, the process proceeds to step S28. In step S28, the CPU 11 verifies whether or not the pause button has been pressed. If the pause button has been pressed, the process proceeds to step S29, and if the pause button has not been pressed, the process returns to step S24. In step S29, the CPU 11 temporarily stops the reproduction of the moving image. Thereafter, the CPU 11 stands by until the play button is pressed, and when the play button is pressed, the process returns to step S24 (step S30).

  By the way, after the delay setting screen (FIG. 4) is displayed in step S7, the user can end the process at any time by pressing the end button 612. In addition, after the moving image / reproduction screen (FIG. 6) is displayed on the display unit 15 in step S <b> 14, the user can end the process at any time by pressing the end button 632.

  In this embodiment, it is verified in step S13 that the recording stop button 621 has been pressed. If the recording stop button 621 is pressed, the moving image playback / setting screen is immediately displayed in step S14 and the process proceeds to the moving image playback step. However, when the recording stop button 621 is pressed, only the recording is stopped, and then, when moving to the reproduction step, another signal from the user is required. Also good.

  The present invention stores video data (hereinafter referred to as audio data) transmitted from a digital camera or the like in an HDD (hard disk drive) in real time and reproduces it with a delay of an arbitrary set time. The present invention relates to a video delay display system that has industrial applicability.

1 shows an overall configuration of a video delay display system according to an embodiment of the present invention. 1 shows a configuration example of a mobile terminal device provided in a video delay display system according to an embodiment of the present invention. The opening screen displayed with the image | video delay display system which concerns on this embodiment is shown. The delay setting screen displayed with the image delay display system concerning this embodiment is shown. 4 shows a recording screen displayed by the video delay display system according to the present embodiment. 4 shows a recording screen displayed by the video delay display system according to the present embodiment. The file selection screen displayed with the video delay display system which concerns on this embodiment is shown. 9 shows a nine-screen mode playback screen displayed by the video delay display system according to the present embodiment. 5 shows a flow at the time of delay processing of video data in the video delay display system according to the present embodiment. 5 shows a flow at the time of delay processing of video data in the video delay display system according to the present embodiment. 2 shows the principle of a video data delay device in a video delay display system according to the present embodiment. The principle of another delay device of video data in the video delay display system according to the present embodiment is shown. It is a flowchart (1/2) which shows the flow of a process in the video delay display system which concerns on this embodiment. It is a flowchart (2/2) which shows the flow of a process in the video delay display system which concerns on this embodiment.

Explanation of symbols

1: Mobile terminal device 2: USB memory device 3: Digital video camera 4: USB camera 11: CPU
12: RAM
13: ROM
14: HDD
15: Display unit 16: Display interface 17: Operation unit 18: Operation interface 19: IEEE 1394 interface 110: USB interface

Claims (10)

In a video delay display system comprising means for delaying a digital signal corresponding to moving image data obtained by photographing a subject,
A unit that detects that a storage device including the information storage medium is loaded in the computer, and starts a computer program stored in the information storage medium in the computer;
As means controlled by the computer program,
Setting means for causing the user to set at least a delay time of the digital signal and a reproduction time of data corresponding to the digital signal;
A plurality of delay means corresponding to the delay time;
Means for selecting a delay means suitable for the delay time set by the setting means among the plurality of delay means;
Means for delaying the digital signal by the selected delay means by the delay time;
Recording means for recording the moving image data;
Means for continuously reproducing the data corresponding to the delayed digital signal by inserting the recording time of the moving image data;
Means for stopping the recording and playback;
Means for continuously reproducing the recorded moving image data for the reproduction time set by the setting means;
Means for stopping the recording halfway;
A video delay display system comprising the following means.   The delay means uses a shift register constructed with a semiconductor memory when the delay time set by the setting means does not exceed a predetermined constant value, and when the delay time exceeds a predetermined constant value, The video delay display system according to claim 1, wherein the video delay display system is used.   3. The video delay display system according to claim 1, wherein the storage device including the information storage medium is a device having a connection terminal corresponding to a USB standard.   The video delay display system according to any one of claims 1 to 3, wherein the computer is a portable terminal device or a computer that can be carried out outdoors. In a computer program for controlling a video delay display system comprising means for delaying a digital signal corresponding to moving image data obtained by photographing a subject, etc.
(A) a setting step for causing the user to set at least a delay time of the digital signal and a reproduction time of data corresponding to the digital signal;
(B) a plurality of delay steps corresponding to the delay time;
(C) selecting a delay step suitable for the delay time set by the setting step among the plurality of delay steps;
(D) delaying the digital signal by the selected delay step by the delay time;
(E) a recording step for recording the moving image data;
(F) continuously reproducing the data corresponding to the delayed digital signal by inserting the recording time of the moving image data;
(G) stopping the recording and playback;
(H) continuously playing back the recorded moving image data for the playback time set in the setting step;
(I) having the steps of stopping the recording halfway ,
In the delay step, a shift register constructed by a semiconductor memory is controlled when the delay time set in the setting step does not exceed a predetermined constant value, and when the delay time exceeds a predetermined constant value, a hard disk drive device A computer program characterized by delaying by controlling . 6. The computer program according to claim 5, wherein the computer program is stored in an information storage medium built in a storage device having a USB standard compatible connection terminal. The computer program according to claim 5 or 6 , wherein the computer program is executed on a portable terminal device or a computer that can be carried outdoors. A computer program according to any one of claims 5 to 7 is stored, and is stored in a storage device having a function of detecting the computer program when the computer program is loaded and starting the computer program in the computer. An information storage medium. The information storage medium according to claim 8 , wherein the storage device is a device having a connection terminal corresponding to a USB standard. 9. The information storage medium according to claim 8 , wherein the computer is a portable terminal device or a computer that can be carried out outdoors.

Images