JP2000228756A - Data reproduction device and data reproducing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To realize a data reproducing position display device that informs an operator of reproduction position information by displaying the proportion of reproduced data in total data or displaying a reproduction position of the reproduced data by visual information. SOLUTION: A video storage device 1 stores video data, a reproduction time forming a pair with the video data, and the entire reproduction time of the video data and a video display device 3 reproduces the video data sent through a video server 2. Furthermore, a reproduction controller 3 obtains the entire reproduction time and reproduction position information from the reproduction time forming a pair with the video data that are being reproduced and the result is displayed on a display screen 4 as a reproduction elapse state display 9 and a reproduction time information display 17.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a data reproducing apparatus for storing and reproducing and displaying digitally encoded video or audio data in a large-capacity storage device, and a video server for providing video on demand (VOD). About the system.

[0002]

2. Description of the Related Art A data reproducing apparatus for outputting and reproducing video or audio data stored in a large-capacity storage device in response to a request from an external terminal device has been studied.

As for the data reproducing apparatus, for example, as disclosed in Japanese Patent Application Laid-Open No. 9-224231,
When transmitting (providing) a video program which is video data in response to a user's request, a scheme has been considered in which an outline of the video program is transmitted and reproduced in advance so that the user can easily select the video program.

As disclosed in Japanese Patent Application Laid-Open No. Hei 7-334519, a tape streamer, which is an example of a low-cost and large-capacity storage medium, and an MO disk array, which is an example of a high-speed accessible storage medium (Magneto-optical disk array) as a storage device, and reads data from a tape streamer or reads data previously written from a tape streamer to an MO disk array according to a request from an external terminal device. Is thought to do.

Here, when video or audio data stored in a large-capacity storage device is output and reproduced in response to a request from an external terminal device, the video or audio data is transmitted to the external terminal device that has made the request. Notifying the elapsed time at the time of reproduction of the reproduction data, which is audio data, by a number is effective for transmitting information on a reproduction state to an operator who operates the external terminal device.

[0006]

However, data reproduction is performed by using video or audio data stored in a conventional large-capacity storage device as reproduction data and transmitting and reproducing the reproduction data in response to a request from an external terminal device. In the device, by notifying the operator of the elapsed time at the time of the playback data as a playback time by the external terminal device with a numeral as the playback time, the operator understands and determines the numerical value to be notified when recognizing the length of the elapsed time. There is a need.

In order to recognize the ratio of the amount of reproduced data to the time at which reproduction of the reproduced data is completed, or the amount of unreproduced data in the reproduced data, the time at which reproduction is completed must be set in advance. It is necessary for the operator to remember and calculate the difference from the numerical value of the elapsed time at the time of confirmation.

Therefore, for example, when the operator performs the operation of advancing the reproduction time of the reproduction data or performing the operation of returning the reproduction data to the original reproduction time and performing the reproduction from the desired reproduction time, the time required to reproduce all the reproduction data is obtained. In order to set the playback time at the center of a certain playback time or the playback time just before the end of the playback time to the desired playback time, the playback time of the playback data must be advanced or restored. It is difficult to judge immediately if it should be implemented.

For this purpose, the present invention decodes encoded data obtained by sequentially encoding information corresponding to a change on a time axis represented by video or audio data stored in a storage device,
In a data reproducing apparatus that reproduces reproduction data in response to a request from an external terminal device as reproduction data that reproduces information by returning to a change on the time axis before encoding, the reproduction position of the reproduction data is the time until the reproduction ends. It is an object of the present invention to provide an excellent data reproducing apparatus and an excellent data reproducing method for displaying a ratio occupied by the reproduction data or displaying a reproduction position of reproduction data by visual information.

[0010]

In order to solve the above-mentioned problems, a data reproducing apparatus according to the present invention is characterized in that encoded data obtained by sequentially encoding information according to a change on a time axis and the encoded data are sequentially encoded. A data storage device that stores time information, which is information on the time axis at the time of encoding, as a set, and obtains encoded data stored in the data storage device, decodes the data, and decodes the time axis before encoding. A data reproduction output device that reproduces information by returning to the above change, and the data reproduction output device based on the time information stored in the data storage device in combination with the encoded data obtained by the data reproduction output device. A data reproduction position display device for displaying a reproduction position that is a progress on a time axis for reproducing information.

Further, in the data reproducing apparatus of the present invention, the encoded data is obtained by sequentially encoding information according to a change on the time axis, and the information on the time axis when the encoded data is sequentially encoded. Time information and a data storage device for storing all reproduction times necessary to reproduce all of the sequentially encoded data as a set, and obtaining and decoding the encoded data stored in the data storage device. Data reproduction output device that reproduces information by returning to the change on the time axis before encoding, and the time information stored in the data storage device in combination with the encoded data acquired by the data reproduction output device. And a data reproduction position display device for displaying a reproduction position which is a progress on a time axis for reproducing information by the data reproduction output device.

Further, in the data reproduction position display device of the present invention, time information acquisition means for acquiring time information as information on the time axis of encoded data obtained by sequentially encoding information according to a change on the time axis; A reproduction position display means for displaying a reproduction position, which is a progress on a time axis for decoding and reproducing the encoded data based on the time information acquired by the time information acquisition means.

Further, in the data reproduction position display device of the present invention, time information acquisition means for acquiring time information which is information on the time axis of encoded data obtained by sequentially encoding information according to a change on the time axis; A total reproduction time obtaining means for obtaining a total reproduction time necessary for reproducing all of the sequentially encoded data, and the time information and the total reproduction time obtaining means obtained by the time information obtaining means. Playback position display means for displaying a playback position at a playback progress rate which is a ratio of the playback position to the total playback time based on the acquired total playback time.

In the data reproduction position display device according to the present invention, the reproduction position display means displays the reproduction position in the area of a figure closed by a curve.

In the data reproduction position display device according to the present invention, the reproduction position display means displays the total reproduction time in the area of the first figure closed by a curve, and displays the entire reproduction time within the first figure. It is assumed that the elapsed ratio is displayed as the reproduction position in the area of the second figure closed in step (1).

Further, in the data reproduction position display device of the present invention, the reproduction position display means displays the first graphic as an ellipse and the second graphic as a graphic dividing the first graphic by a curve.
Shall be displayed.

Further, in the data reproduction position display device of the present invention, the reproduction position display means displays the reproduction progress ratio in the area of at least two figures, and the area of one figure increases as the reproduction progress ratio increases. It is assumed that the area of the other figure increases and the area of the one figure combined with the one figure is constant, and decreases as the reproduction progress ratio increases.

Further, in the data reproduction position display device of the present invention, the reproduction position display means may determine that the reproduction progress ratio is a circle or an ellipse for both figures and that the increase in the reproduction progress ratio is a radius of one of the figures. Is increased, and the radius of the other graphic is reduced. The two graphics are used to provide a virtual display of a reel-shaped storage device.

Further, in the data reproduction position display device of the present invention, the reproduction position display means displays the reproduction position with the numerical value and the area of the graphic, and superimposes the numerical value together with the graphic closed by the curve. I do.

Further, a data reproducing apparatus of the present invention is a data reproducing apparatus provided with the data reproducing position display device.

Further, in the data reproducing method of the present invention, there are encoded data obtained by sequentially encoding information according to a change on a time axis, and information on the time axis when the encoded data is sequentially encoded. Data storage means for storing time information as a set, and data reproduction output for acquiring and decoding encoded data stored in the data storage means and reproducing information by reverting to changes on the time axis before encoding Means, and a reproduction position which is a progress on a time axis for reproducing the information by the data reproduction output means based on the time information stored in the data storage means in combination with the encoded data obtained by the data reproduction output means. And a data reproduction position display means for displaying

Further, in the data reproducing method of the present invention, there are encoded data obtained by sequentially encoding information according to a change on the time axis, and information on the time axis when the encoded data is sequentially encoded. Time information and data storage means for storing a set of all reproduction times necessary for reproducing all of the sequentially encoded data, and obtaining and decoding the encoded data stored in the data storage means. Data reproduction output means for reproducing information by returning to a change on the time axis before encoding, and the time information stored in the data storage means in combination with the encoded data obtained by the data reproduction output means. And data reproduction position display means for displaying a reproduction position which is a progress on a time axis for reproducing information by the data reproduction output means.

[0023]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 is characterized in that encoded data obtained by sequentially encoding information in accordance with a change on the time axis and the encoded data obtained by sequentially encoding the encoded data are displayed on the time axis. A data storage device that stores time information, which is a set of information, as a set, and coded data stored in the data storage device are obtained, decoded, and the information is reproduced by restoring the change on the time axis before coding. Data reproduction output device, and the time axis of reproducing the information by the data reproduction output device based on the time information stored in the data storage device in combination with the encoded data obtained by the data reproduction output device. And a data reproduction position display device that displays a reproduction position that is a data reproduction position information. By displaying time information at the time of encoding as reproduction position information at the time of data reproduction, the reproduction position information is displayed to the operator. Notice.

According to a second aspect of the present invention, the encoded data obtained by sequentially encoding information according to a change on the time axis and the information on the time axis when the encoded data is sequentially encoded are used. Certain time information, a data storage device that stores a set of all reproduction times required to reproduce all of the sequentially encoded data, and the encoded data stored in the data storage device, A data reproduction output device that decodes and reproduces information by returning to the change on the time axis before encoding, and the time information stored in the data storage device in combination with the encoded data acquired by the data reproduction output device. A data reproduction position display device for displaying a reproduction position, which is a progress on a time axis for reproducing information by the data reproduction output device. Reproduction position at the time over data playback, displays whether the percentage of how much to the overall playing time, it is possible to notify the operator.

According to a third aspect of the present invention, there is provided a time information acquiring means for acquiring time information which is information on the time axis of encoded data obtained by sequentially encoding information according to a change on a time axis; A reproduction position display unit that displays a reproduction position that is a progress on a time axis for decoding and reproducing the encoded data based on the time information acquired by the time information acquisition unit. Yes, the reproduction position information can be notified to the operator by displaying the time information at the time of encoding the information of the reproduction position at the time of data reproduction.

According to a fourth aspect of the present invention, there is provided a time information acquiring means for acquiring time information which is information on the time axis of encoded data obtained by sequentially encoding information according to a change on a time axis; An all-reproduction-time obtaining unit that obtains a total reproduction time necessary to reproduce all of the encoded data sequentially encoded; the time information obtained by the time-information obtaining unit; and the time information obtained by the all-reproduction-time obtaining unit A reproduction position display means for displaying a reproduction position at a reproduction progress ratio which is a ratio of the reproduction position to the total reproduction time based on the total reproduction time. The operator can be notified by displaying the ratio of the playback position to the entire playback time.

According to a fifth aspect of the present invention, there is provided the data reproduction position display device according to the third or fourth aspect, wherein the reproduction position display means displays the reproduction position by an area of a figure closed by a curve. The difference in the reproduction position at the time of reproduction can be displayed by the size of the display figure to notify the operator.

According to a sixth aspect of the present invention, the reproduction position display means displays the total reproduction time in the area of the first figure closed by a curve, and displays the total reproduction time by a curve inside the first figure. 5. The data reproduction position display device according to claim 4, wherein the elapsed ratio is displayed as a reproduction position in an area of the closed second graphic, and the reproduction position at the reproduction time is determined by how much with respect to the entire reproduction time. It is possible to notify the operator by displaying whether the ratio is the ratio. Here, the curved line includes a straight line, that is, a curved line includes a partly straight line in order to form a closed figure.

According to a seventh aspect of the present invention, the reproduction position display means displays the first figure as an ellipse, and displays the second figure as a figure dividing the first figure by a curve. 7. The data reproduction position display device according to claim 6, wherein a first graphic and a part of the first graphic are used to determine a ratio of a reproduction position at a reproduction time to an entire reproduction time. Can be notified to the operator in the size of the second graphic. Here, the ellipse includes a circle, and the curve includes a straight line.

In the invention described in claim 8, the reproduction position display means displays the reproduction progress ratio in the area of at least two figures, and the area of one figure increases with the increase of the reproduction progress rate. 8. The data reproduction position display device according to claim 5, wherein the area of the other figure has a constant area added to the one figure and decreases as the reproduction progress ratio increases. The reproduction progress ratio can be notified as visual information by displaying a graphic, and in particular, the amount of data that has been reproduced and the amount of data that is waiting for reproduction can be simultaneously notified to the operator.

According to a ninth aspect of the present invention, in the reproduction position display means, the two figures are both ellipses, and the reproduction progress ratio is increased by increasing the radius of one figure and increasing the radius of the other figure. 9. The data reproduction position display device according to claim 8, wherein the reproduction progress ratio is displayed by imagining a reel-shaped storage device with the two figures, the radius of which is reduced, and the reproduction progress ratio is visually displayed by a graphic. The information can be notified to the operator, and in particular, the amount of data that has been reproduced,
The amount of data waiting for reproduction can be notified at the same time. Further, the operator can be notified of the reel-shaped storage device (including the storage medium) represented by the video tape or the audio tape by virtual display.

According to a tenth aspect of the present invention, the reproduction position display means displays the reproduction position by a numerical value and a graphic area, and displays the numerical value by superimposing the numerical value and the graphic closed by the curve. 9. The data reproduction position display device according to any one of claims 1 to 9, wherein the notification of the reproduction position information is displayed by being superimposed on a numeral and a graphic, so that the numeral and the numeral are displayed to the operator in a limited display screen. Both of the figures can be displayed large and easy to see.

The invention described in claim 11 is the third invention.
6. The data reproducing apparatus according to claim 1, comprising the data reproducing position display device according to claim 5.
By providing the data position display device described in (1) in the data reproduction device according to claim 1, the reproduction position being reproduced by the data reproduction output device can be displayed and notified to the operator.

The invention according to claim 12 is the invention according to claim 2.
The data reproducing apparatus according to claim 2, further comprising a data reproducing position display device according to any one of claims 1 to 8, wherein a reproduction position of the data reproducing device at the time of data reproduction is set with respect to an entire reproduction time. Is displayed as a percentage,
The operator can be notified.

According to a thirteenth aspect of the present invention, there is provided encoded data obtained by sequentially encoding information in accordance with a change on a time axis;
A data storage unit that stores a set of time information that is information on the time axis when the encoded data is sequentially encoded, and obtains the encoded data stored in the data storage unit and decodes the data. Data reproduction output means for reproducing information by returning to the change on the time axis before encoding, based on the time information stored in the data storage means in combination with the encoded data obtained by the data reproduction output means A data reproduction position display means for displaying a reproduction position, which is a progress on a time axis for reproducing information by the data reproduction output means, a reproduction position at the time of data reproduction is displayed, and an operator is displayed. Can be notified.

According to a fourteenth aspect of the present invention, encoded data obtained by sequentially encoding information according to a change on a time axis;
Time information that is information on the time axis when the encoded data is sequentially encoded, and data that is stored as a set of all reproduction times necessary to reproduce all of the sequentially encoded data. Storage means, data reproduction output means for obtaining encoded data stored in the data storage means, decoding the data, and restoring information on a time axis before encoding to reproduce information; Data reproduction position display means for displaying a reproduction position which is a progress on a time axis for reproducing information by the data reproduction output means based on the time information stored in the data storage means in combination with the encoded data. This is a data reproduction method provided, and it is possible to display the ratio of the reproduction position at the time of data reproduction to the entire reproduction time and to notify the operator.

Hereinafter, an embodiment of the present invention will be described with reference to FIG.
This will be described with reference to FIG.

(Embodiment 1) FIG. 1 is a block diagram of a data reproducing apparatus according to Embodiment 1 of the present invention, and FIGS. 2 and 4 are processing sequence diagrams of Embodiment 1 of the present invention. FIGS. 3, 5, and 6 are front views of the display screen according to the first embodiment of the present invention.

Here, FIG. 2 particularly shows the process from selection to reproduction of video data, and FIG. 4 shows the process from the reproduction state of video data to the reproduction state after the operation of advancing the reproduction time earlier. I have.

FIG. 3 is a display screen immediately before the reproduction of the video data in FIG. 2, FIG. 5 is a display screen immediately before the operation of advancing the reproduction time in FIG. 4, and FIG. 5 is a display screen immediately after the operation of advancing the reproduction time in FIG.

In FIG. 1, the video storage device 1 is composed of a plurality of video data in advance, the total playback time which is the time from the start to the end of the playback of each video data, the data file name, and information on the data capacity. This is a data storage device in which management information is stored, and is constituted by a large-capacity storage device using a magnetic storage medium represented by a hard disk device.

The video server 2 is a control device for managing and controlling video data management information and video data stored in the video storage device 1.

Here, in response to a request from an externally connected input device, the video server 2 sends to the externally connected output device management information of video data stored in the video storage device 1 or The video data is extracted and transmitted.

The playback control device 3 is an input device for making a request to the video server 2. The playback control device 3 stores a plurality of video data stored in the video storage device 1 and controls the playback of video data managed and controlled by the video server 2. The external terminal device performs an operation of selecting one piece of video data from the list, an operation of reproducing the video data, an operation of advancing the reproduction time, an operation of returning the reproduction time, and an operation of stopping the reproduction.

The playback control device 3 is stored in the video storage device 1 and indicates the total playback time, which is the time from the start to the end of playback of the video data transmitted through the video server 2, and the playback position of the video data. The system includes a time information acquisition unit for acquiring reproduction time information, and further includes a display screen 4 as a data reproduction position display unit for displaying a reproduction state of video data.

Here, for the sake of easy understanding, the front view of the display screen 4 is shown in blocks.

The video playback device 5 is a data playback / output device provided with a monitor screen for playing back and outputting video data stored in the video storage device 1 and transmitted from the video server 2 in response to an operation of the playback control device 3. The video data that is sequentially input is converted into a moving image and displayed on a monitor screen.

The transmission path 6 is a transmission path for performing data transmission between the video storage device 1 and the video server 2. The video server 2 transmits the video storage device 1 to the video storage device 1.
, A total playback time that is the time from the start to the end of playback of each video data for a plurality of video data stored in the video server 2, a data file name, and information on data capacity. The management information to be reproduced and a request signal to retrieve video data for reproduction are transmitted.

Then, from the video storage device 1 to the video server 2
, The management information and the video data requested from the video server 2 are transmitted.

The transmission line 7 is a transmission line for performing data transmission between the video server 2 and the reproduction control device 3. The transmission control device 3 transmits the data from the reproduction control device 3 to the video server 2 in the video storage device 1. List information of a plurality of video data managed in step 2, and various request signals requesting operations of playing, stopping, advancing the playback time, and rewinding the playback time of the video data selected from the plurality of video data. Is transmitted. Therefore, the reproduction control device 3 to which the transmission path 7 is connected
Can be considered as time information acquisition means.

Further, on the transmission path 7, the video server 2 sends the reproduction control device 3 a list of the video data in response to the request from the reproduction control device 3, the total reproduction time of the selected video data, and the like. And reproducing time information indicating a reproduction position of the video data being reproduced according to the operation of reproducing the video data.

The transmission path 8 is a transmission path for performing data transmission between the video server 2 and the video reproduction apparatus 5. The transmission path 8 is transmitted from the video server 2 to the video reproduction apparatus 5 by the video control apparatus 3 selected by the reproduction control apparatus 3. The video data stored in the storage device 1 and managed by the video server 2 is transmitted.

Next, the reproduction control device 3 will be further described.

As described above, the reproduction control device 3 functions as an input device for making a request to the video server 2 and the display screen 4
And a function of displaying the reproduction status of the video data by using a personal computer terminal device, for example, as the reproduction control device 3.

When a personal computer terminal device is used as the reproduction control device 3, various information is displayed on a display device (display monitor) which is a part of the personal computer terminal device by a function of a graphical user interface (GUI). The video server 2 is operated by an input device (for example, a keyboard or a mouse) which is also a part of the personal computer terminal device.
A request signal to be output to the CPU. In this case, the display device (display monitor) is used as the display screen 4.

The processing of the reproduction control device 3 includes an initial operation processing until a desired video data is selected from a plurality of video data, reproduction and stop of the selected video data, advance of the reproduction time, and reproduction time. First, video data is selected by the initial operation process, and then the reproduction operation process of the selected video data is performed.

Although the display screen 4 at the time of the initial operation processing is not particularly shown, a request button for a list of video data is displayed on the display screen 4 by using a GUI, and the request button for the list is operated by a mouse to operate the reproduction control device 3. The video server 2 makes a video data list request to the video server 2, and displays the video data list on the display screen 4 according to information transmitted in response to the video data list from the video server 2.

Further, by operating a mouse to select desired video data from the displayed video data list, the reproduction control device 3 requests the video server 2 for detailed information of the selected video data.

Then, video data detailed information including the entire reproduction time of the selected video data transmitted from the video server 2 to the reproduction control device 3 as a response of the video data details is displayed on the display screen 4.

Next, the display screen 4 during the reproduction operation processing will be described.

On the display screen 4 during the reproduction operation processing, the reproduction progress state of the video data as the reproduction data is displayed as shown in the reproduction progress state display 9 in FIG.

Here, the reproduction progress status display 9 is composed of two circles of the same size arranged on the left and right as viewed from the front, and a reproduction waiting display 10 which is a left circle and a reproduced display which is a left circle. 11 are connected by a line segment display 12 tangent to the upper part of each of them.

The reproduction progress status display 9 is a concentric circle inside the reproduction wait side display 10, and the reproduction wait video data amount display 13 is colored with a different color so as to be distinguishable from the reproduction wait side display 10. Concentric circles inside the reproduced-side display 11 and inside the reproduced-video-data amount display 14 and the reproduction-waiting-video-data-amount display 13 whose insides are colored with different colors so as to be distinguishable from the reproduced-side display 11. A left axis display 15 of a color different from that of the video data display waiting to be played, which is concentric, and a right axis display 16 inside the reproduced video data amount display 14 and having a different color from the reproduced video data display 14 which is concentric are arranged. .

In accordance with the change in the reproduction time of the video data, the area of the video data display 13 to be reproduced is reduced by reducing the radius of the video data display 13, and the area is increased by increasing the radius of the reproduced video data display 14. To display the progress of the playback time.

The display screen 4 has a reproduction progress display 9.
There is a reproduction time information display 17 for displaying the hours, minutes, and seconds of the reproduction time, which is the elapsed time of the video data to be reproduced, and for displaying the reproduction elapsed ratio, which is the ratio of the reproduction time to the total reproduction time.

Further, below the playback time information display portion, a backward button display 18 for requesting to return the playback time of the video data, which is a display for operating with a mouse when an operation on the playback data is requested, Stop button display 19 requesting stop, playback button display 2 requesting playback
0, advance button display 21 for requesting advance of playback time 21
Are located in order from the left.

In FIG. 1, the elapsed time of the video data can be found from the information displayed on the playback time information display 17 that the playback time is 12 minutes and 30 seconds and the playback progress ratio is 25%. From the difference between the data amount display 13 and the reproduced video data amount display 14, it is immediately apparent that the elapsed time of the video data is still less than half of the whole, and that the reproduction progress ratio is almost 25%.

Next, with reference to FIGS. 2 and 3, the details of the operation of the reproduction control device 3 during the initial operation processing up to the operation of reproducing the selected video will be described.

FIG. 2 is a diagram showing the transmission order of transmission data between the reproduction control device 3 and the video server 2 and between the video server 2 and the video reproduction device 5, and the time elapses from the top to the bottom in FIG. Things.

Here, the video storage device 1 managed by the video server 2 will be described as being included in the video server 2.

First, when a video data list request 22 requesting a list of video data stored in the video storage device 1 is transmitted from the reproduction control device 3 to the video server 2, the video server 2 transmits the video data list request from the video storage device 1 to the video server 2. The data list information is acquired, and the reproduction control device 3
To be transmitted.

Next, the reproduction control device 3 executes the video data list display processing 24 for displaying the transmitted and acquired video data list information on the display screen 4 and prompting the user to select video data.

Next, the reproduction control device 3 transmits to the video server 2 a video data detail request 25 requesting detailed information of the video data selected according to the video data list display processing 24.

Next, the video server 2 acquires the detailed information of the selected video data from the video storage device 1 in response to the video data detail request 25, and transmits it to the reproduction control device 3 as a video data detailed response 26.

Here, the detailed information of the video data is the total reproduction time of the video data.

Then, the reproduction control device 3 displays the detailed information of the transmitted and acquired video data on the display screen 4 and executes a video data detailed display process 27 for prompting the reproduction of the video data.

Next, the reproduction control device 3 transmits a video data reproduction request 28 requesting reproduction of video data to the video server 2 in accordance with the video data detailed display processing 27.

Next, in response to the video data reproduction request 27, the video server 2 has already processed the video data list display processing 24.
The video data selected in step 1 and time information corresponding to the video data are obtained from the video storage device 1, and the video data is divided into a plurality of packet data, and the packets whose reproduction time is 0 second first are arranged in the order of reproduction time. The data is transmitted from the data to the video reproduction device 5 as a video data reproduction output 29, and 0 second, which is the reproduction time corresponding to the video data reproduction output 29, is transmitted to the reproduction control device 3 as a reproduction information notification 30.

The video reproducing apparatus 5 converts the packet data transmitted at the video data reproducing output 29 into a moving image and displays it on a monitor screen provided in the video reproducing apparatus 5. Based on the playback information notification 30 to be displayed, the playback time and the playback progress rate, which is the ratio of the playback time to the total playback time already obtained in the video data detail display process 27, are displayed as the video data playback position display process 31. Displayed on the reproduction time information display 17 on the display screen 4, and a reproduction progress state display 9 is displayed from a reproduction waiting video data amount display 13 and a reproduced video data amount display 14 of a size required according to the same reproduction progress ratio. I do.

At this time, video data reproduction position display processing 3
The display of the display screen 4 by No. 1 has the configuration shown in FIG.

In FIG. 3, the reproduction time information display 17 displays 0 seconds as the reproduction time corresponding to the video data reproduction output 29 and 0% as the reproduction progress ratio.

In the reproduction progress status display 9, the size of the reproduced video data amount display 14 is 0, which is the reproduction progress ratio.
%, And the size of the playback waiting video data amount display 13 corresponds to 100% obtained by subtracting 0%, which is the playback progress rate, from 100%, which is the rate at which playback has ended. The size is the same as that of the reproduction waiting side display 10.

Next, in the video server 2, of the video data divided into a plurality of packet data, the second packet data following the packet data transmitted at the video data reproduction output 29 is reproduced as the video data reproduction output 32. The video reproduction device 5 processes the packet data transmitted at the video data reproduction output 32 in the same manner as the processing of the packet data transmitted at the video data reproduction output 29, and is provided to the video reproduction device 5. Displayed on the monitor screen.

However, since the reproduction time corresponding to the packet data transmitted by the video data reproduction output 32 is shorter than the reproduction time transmitted by the reproduction information notification 30, the reproduction time is not transmitted to the reproduction control device 3. And does not display on the display device 4.

Next, in the video server 2, of the video data divided into a plurality of packet data, the third packet data following the packet data transmitted by the video data reproduction output 32 is reproduced as the video data reproduction output 33. The video reproduction device 5 processes the packet data transmitted at the video data reproduction output 33 in the same manner as the processing of the packet data transmitted at the video data reproduction output 29, and is provided to the video reproduction device 5. Displayed on the monitor screen.

At the same time, in the video server 2, since the playback time corresponding to the packet data transmitted by the video data playback output 33 is longer than the playback time transmitted by the playback information notification 30, the playback control The reproduction time corresponding to the packet data transmitted by the video data reproduction output 33 is transmitted to the device 3 as the reproduction information notification 34.

Then, in the reproduction control device 3, based on the transmitted reproduction information notice 34, the reproduction time is displayed as the video data reproduction position display processing 35 and the reproduction time for the entire reproduction time already obtained in the video data detailed display processing 27. The playback elapsed time ratio, which is the ratio of the playback time, is displayed on the playback time information display 17 on the display screen 4, and the playback waiting video data amount display 13 and the played back video data amount of the size obtained according to the same playback elapsed ratio From the display 14, the reproduction progress display 9 is displayed.

As described above, a plurality of packet data obtained by dividing the video data is sequentially transmitted from the video server 2 to the video reproducing device 5 as the video data reproducing output, and the video reproducing device 5 sequentially transmits the video data as the video data reproducing output. A moving image is displayed based on the received packet data.

Each time the playback time elapses to a certain extent, the playback time corresponding to the video data playback output to be transmitted to the video playback device 5 is transmitted from the video server 2 to the attitude control device 3 as playback information notification. Based on the transmitted playback information notification, the playback time and the calculated playback progress ratio are displayed on the playback time information display, and the playback waiting video data amount display 13 and the played video data amount display according to the playback progress ratio are displayed. From 14, the playback progress display 9 is displayed.

The above processing is performed until the reproduction of the video data divided into a plurality of packet data is completed, or until the reproduction control device 3 notifies the video server 2 of a stop request for stopping the reproduction of the video data. repeat.

Next, with reference to FIGS. 4, 5 and 6, the details of the operation of the playback control device 3 during the playback operation process will be described with respect to the process of advancing the playback time from the state where the selected video data is being played back. The operation of performing and reproducing again will be described.

FIG. 4 is a diagram showing the transmission order of transmission data between the reproduction control device 3 and the video server 2 and between the video server 2 and the video reproduction device 5, and the time elapses from above to below in FIG. Things.

In FIG. 4, the selected video data is reproduced at the top of the figure.

First, packet data obtained by dividing the preselected video data described with reference to FIG. 2 is sequentially transmitted from the video server 2 as video data reproduction output,
A process of sequentially reproducing and displaying by the video reproducing device 5, a reproducing time corresponding to the packet data transmitted as the video data reproducing output is transmitted from the video server 2, and reproduced based on the reproducing time transmitted by the reproducing control device 3. Time information display 17
As in the process of displaying the playback progress display 9 on the display screen 4, one packet data obtained by dividing the selected video data is transmitted from the video server 2 to the video playback device 5 as the video data playback output 36. The video server 2 transmits a reproduction time corresponding to the packet data transmitted as the video data reproduction output 36 to the reproduction control device 3 as a reproduction information notification 37.

The video reproducing apparatus 5 converts the packet data transmitted at the video data reproducing output 36 into a moving image and displays it on a monitor screen provided in the video reproducing apparatus 5. Based on the reproduction information notification 37, the reproduction time and the total reproduction time 5 obtained in advance as the video data reproduction position display processing 38 are obtained.
The playback elapsed time ratio, which is the ratio of the playback time to 0:00, is displayed on the playback time information display 17 on the display screen 4, and the playback waiting video data amount display 13 having a size determined according to the same playback elapsed ratio is displayed. Display of reproduced video data amount 14
Then, the reproduction progress display 9 is displayed.

Next, the video server 2 transmits the packet data following the packet data transmitted as the video data reproduction output 36 to the video reproduction device 5 as the video data reproduction output 39, and transmits the transmitted packet data to the video reproduction device 5.
The video data is converted into a moving image and displayed on a monitor screen provided in the video reproduction device 5. The reproduction time corresponding to the packet data transmitted as the video data reproduction output 39 is used for the processing of the video data reproduction position display 38. Playback information notification 3
7 is not transmitted to the reproduction control device 3 because the difference between the elapsed time and the reproduction time transmitted at 7 is small.

Next, the video server 2 transmits the packet data following the packet data transmitted as the video data reproduction output 39 to the video reproduction device 5 as the video data reproduction output 40, and transmits the transmitted packet data to the video reproduction device 5.
To convert it into a moving image and display it on a monitor screen provided in the video reproducing device 5.

The playback time corresponding to the packet data transmitted as the video data playback output 40 is the elapsed time from the playback time transmitted in the playback information notification 37 used in the processing of the video data playback position display 38. Since the difference is large, it is transmitted to the reproduction control device 3 as the reproduction information notification 41,
Based on the transmitted playback time, the playback control device 3 displays the playback time and the playback progress rate which is the ratio of the playback time to the total playback time obtained in advance as the video data playback position display processing 42 on the display screen 4. The reproduction time information display 17 is displayed on the reproduction time information display 17, and the reproduction progress status display 9 is displayed from the reproduction waiting video data amount display 13 and the reproduced video data amount display 14 having the sizes determined according to the same reproduction progress ratio.

Here, in the video data reproduction position display processing 42, the display on the display screen 4 of the reproduction control device 4 is as shown in FIG.

In FIG. 5, the reproduction time information display 17 shows a reproduction time of 12 minutes and 30 seconds, and a total reproduction time of 50 minutes in advance.
Since the time is minute 00 seconds, 25% is displayed as the reproduction progress ratio. In the reproduction progress state display 9, the reproduced video data amount display 14 is the reproduced side display 1 excluding the right axis display 16.
The size of the playback waiting video data amount display 13 is from 100% to the playback waiting side display 10 excluding the left axis display 15 from the playback progress ratio of 100%. This is a size that is 75% of the area reduced by 25%.

Next, the video server 2 transmits the packet data following the packet data transmitted at the video data reproduction output 40 to the video reproduction device 5 as the video data reproduction output 43. The reproduction time corresponding to the packet data transmitted by the video data reproduction output 43 is not transmitted to the reproduction control device 3 because the elapsed time from the reproduction time corresponding to the packet data transmitted by the video data reproduction output 40 is small. .

Next, here, video data reproduction position display processing 4
In 2, in order to postpone the playback time of the video data,
The playback is a request to advance the playback time, which is the playback position of the video data, from the playback control device 3 to the video server 2 by operating the forward button display 21 with the mouse as an input device provided in the playback control device. Position change notification 4
4 is transmitted.

Then, in response to the request to postpone the reproduction time transmitted by the reproduction position change notification 44, the video server 2 newly converts the packet data corresponding to the preliminarily reproduced reproduction time from the packet data obtained by dividing the video data into a plurality of pieces. , And transmission is sequentially performed from the selected packet data to return to the reproduction state.

Therefore, the video server 2 transmits the packet data corresponding to the advanced playback time to the video playback device 5 as the video data playback output 45 after the playback position change notification 44 is transmitted, and In, the packet data transmitted by the video data reproduction output 45 is converted into a moving image and displayed.

In the video server 2, the reproduction time corresponding to the packet data transmitted at the video data reproduction output 45 is transmitted to the reproduction control device 3 as a reproduction information notification 46.
The reproduction control device 3 displays the reproduction time and the reproduction progress ratio on the reproduction time information display 17 as the video data reproduction position display processing 47 based on the transmitted reproduction time, and obtains the reproduction time and the reproduction progress ratio in accordance with the same reproduction progress ratio. A reproduction progress status display 9 is displayed from the reproduction waiting video data amount display 13 and the reproduced video data amount display 14 having the sizes indicated.

Here, in the video data reproduction position display processing 47, the display on the display screen 4 of the reproduction control device 4 is as shown in FIG.

In FIG. 6, as a result of transmitting and processing the reproduction position change notification 44, the reproduction time information display 17 displays 37 minutes and 30 seconds as the reproduction time, 75% as the reproduction progress ratio, and the reproduction progress state display. 9, the reproduced video data amount display 14 is the reproduced side display 1 excluding the right axis display 16.
The size of the playback waiting video data amount display 13 is 100% of the playback waiting display 10 excluding the left axis display 15 from 100% in the playback progress ratio. This is a size that is 25% smaller than a certain 75%.

Next, the video data reproduction output 45 is performed in the same manner as described above.
Video data reproduction output 48, video data reproduction output 4 sequentially from the packet data following the packet data transmitted by
9. The video data is transmitted to the video reproducing apparatus 5 as the video data reproducing output 50, and the video reproducing apparatus 5 sequentially converts the packet data transmitted by the video data reproducing output into a moving image and displays the moving image.

In the same manner as described above, a reproduction time corresponding to the packet data transmitted by the video data reproduction output 49 which has passed a certain time from the reproduction time transmitted by the reproduction information notification 46 is used as the reproduction information notification 50 as the reproduction control device. 3, the display of the reproduction time information display 17 and the display of the reproduction progress status display 9 are repeatedly performed as the video data reproduction position display processing 51 based on the transmitted reproduction time.

As described above, the reproduction state of the video data is
In addition to the display of the playback time, the playback control unit 3 displays the playback progress ratio, which is the ratio of the playback time to the total playback time, to indicate how much playback of the video data has elapsed and how much until the playback ends. Whether it is a ratio can be recognized in detail by numerical information.

By displaying the playback state of the video data on the playback progress display 9, the difference between the playback waiting video data amount display 13 and the played back video data amount display 14, the playback waiting side display 10 and the playback waiting video data amount Since the difference from the display or the difference between the reproduced display 11 and the reproduced video data amount display can be visually judged, the extent to which the reproduction of the video data has elapsed and the percentage of the reproduction of the video data have been completed. Can be quickly and easily recognized without numerical calculation.

In the first embodiment, the playback state according to the playback time of the video data can be recognized. However, the playback state can be displayed by the data file capacity of the video data instead of the playback time. In this case, the total data file capacity uses the information stored in advance in the video storage device 1 or the video server 2 as the management information of the video data. Playback device 5
The playback state can be displayed by detecting and using the data file capacity of the video data sequentially transmitted to the.

In this case, since the data file capacity tends to be longer when the playback time is longer, it is possible to determine the approximate playback time even when the playback state is displayed with the data file capacity. In particular, if the digital encoding of video data is non-compression processing, the reproduction time can be obtained from the data file capacity because the reproduction time is proportional to the data file capacity.

Further, when the reproduction state is displayed with the data file capacity, when the video data is edited, a part of the video data is reduced, or when the video data is combined, the storage capacity of the video data storage device 1 is reduced. Can be used as information for grasping video data, and can be used as effective information for assisting management of video data.

The reproduction progress display 9 is a virtual representation of a reel-shaped storage medium (eg, a video tape or a cassette tape) that has conventionally existed as a storage medium for video or audio data. By using a reel-shaped storage medium that is conventionally used for display on hard disk devices with different shapes and sizes,
The user can easily recognize the progress of the reproduction of the reproduction data. Further, the reproduction waiting video data amount display 13 and the reproduced video data amount display 14 have the left axis display 15 or It is displayed so as to rotate around the right axis display 16 (for example, the different color portion provided in the playback waiting video data amount display 13 is displayed by changing its position on a circle centered on the left axis display 15). )
This can further promote the recognition of the progress of the reproduction.

Also, when the line segment display 12 is deleted, the reproduction waiting side display 10 and the reproduced side display 11 are displayed side by side, so that it is a reel-shaped storage medium, Although it can be assumed that the reproduction data moves in the direction of the side display 11, by displaying the line segment display 12, it can be displayed in a more reel-like manner so that the reproduction data moves from one side to the other. By displaying an arrow in the direction in which the reproduction data moves in the vicinity of the minute display 12, or by displaying the line segment display 12 itself with an arrow to indicate the direction in which the reproduction data moves, it is virtually assumed that the reproduction data moves. The line segment display 12 itself can be reproduced by sequentially and repeatedly displaying a plurality of line segments having different colors and different positions where the line segments are partially different colors. Over data can also be a virtual representation of the move.

(Embodiment 2) Next, Embodiment 2 of the present invention will be described with reference to FIG.

FIG. 7 is a display different from the reproduction progress display 9 according to the first embodiment of the present invention.
FIG. 7 is a front view of a display screen according to a second embodiment of the present invention, which is displayed as No. 2;

In FIG. 7, the reproduction progress display 52 displays the amount of data in the reproduced state among all the reproduced data by the length of the radius of the circle, and the reproduced data amount display 53 for recognition.
And a total reproduction data amount display 54 for displaying the total reproduction data amount.
And the center axis display 55 is displayed as a concentric circle having the same center.

Then, according to the reproduction time of the reproduction data or the reproduction data file capacity, the reproduced data amount display 5 is displayed.
The area of No. 3 changes.

Therefore, the ratio of the reproduced data can be displayed by the difference between the reproduced data amount display 53 and the total reproduced data amount display 54, and the progress of the reproduction can be recognized.

Although the progress of reproduction can be recognized even if the center axis display 55 is deleted, by displaying the center axis display 55, a disk-shaped storage medium (floppy disk) having a hole at the center is displayed. And hard disk) can be displayed virtually.

(Embodiment 3) Next, Embodiment 3 of the present invention will be described with reference to FIG.

FIG. 8 is a display different from the reproduction progress display 9 in the first embodiment of the present invention.
FIG. 13 is a front view of a display screen according to the third embodiment displayed as No. 6;

In FIG. 8, the reproduction progress status display 56 displays the amount of data in the reproduced state in all the reproduced data in the size of the central angle of the sector and displays the reproduced data amount display 57 for recognition. It is composed of a total reproduction data amount display 58 for displaying the reproduction data amount, and a center axis display 59.

Then, according to the reproduction time of the reproduction data or the reproduction data file capacity, the reproduced data amount display 5 is displayed.
7 changes area.

Therefore, the ratio of the reproduced data can be displayed by the difference between the reproduced data amount display 57 and the total reproduced data amount display 56, and the reproduction progress can be recognized.

Although the playback progress can be recognized even if the center axis display 59 is deleted, by displaying the center axis display 55, a storage medium which is disk-shaped and has a hole at the center can be virtually reproduced. Can be displayed.

[0129] Regardless of the presence or absence of the center axis display 59, it is possible to virtually represent an analog timepiece whose area increases according to the process of reproduction instead of the short hand or the long hand. In this case, 60 seconds, 60 minutes, or 12 hours are used as the unit of the total reproduction data amount. For example, when the total reproduction data amount is less than 60 minutes, the total reproduction data amount display 58 is set to 60 minutes, and the actual total reproduction data is displayed. By displaying the data amount display in a color different from that of the reproduced data amount display 57 or the total reproduced data amount display 58, and by displaying the data amount display 58 overlaid thereon, the progress of the reproduced data can be displayed and recognized. In particular, it becomes easier to recognize the absolute amount of time.

(Embodiment 4) Next, Embodiment 4 of the present invention will be described with reference to FIG.

FIG. 9 is a display different from the reproduction progress display 9 in the first embodiment of the present invention.
It is a front view of the display screen of Embodiment 4 of this invention displayed as 0.

In the reproduction progress state display 60, a reproduced data amount display 61 having a larger area by increasing the radius and the central angle in accordance with the amount of data that has been reproduced.
And a total reproduced data amount display 62 for displaying the total reproduced data amount.
And a central axis display 63.

Each time individual data obtained by dividing the entire reproduced data amount at specific intervals is reproduced, the area of the reproduced data amount display 61 is gradually increased in the radial direction, and the divided single data is displayed. During playback of the data, the progress of the playback data can be displayed and recognized by increasing the area of the played data display 62 in the direction of increasing the center angle.

In particular, the division interval of the total reproduced data amount is set to 6
By setting the unit to be 0 seconds, 60 minutes, or 12 hours, when the radius of the reproduced data display is enlarged, it indicates that the reproduction has elapsed by the unit of the division interval,
It can also be recognized.

(Embodiment 5) Next, Embodiment 5 of the present invention will be described with reference to FIG.

FIG. 10 is a display different from the reproduction progress display 9 in the first embodiment of the present invention. However, similar to the reproduction progress display 9, the reproduction progress display is a reproduction progress display 64. It is a front view of the display screen of Embodiment 5 of the invention.

The reproduction progress display 64 is a display in which a perspective view of a cylinder is displayed on a plane which is a display screen, and an area corresponding to a perspective view of a cylinder having a different height depending on the amount of data that has been reproduced. And a reproduced data amount display 65 having

Therefore, the details of the reproduced data can be displayed and recognized on the reproduced data amount display 65. In particular, since the display shows a perspective view of a cylinder, a cylindrical container such as a bottle can be virtually displayed, and the reproduced data amount is virtually compared to the volume of the liquid to be injected into the cylindrical container. Since the reproduction progress can be displayed, the state of the reproduction progress can be displayed and recognized in a more easily understood manner.

Embodiment 6 Next, Embodiment 6 of the present invention will be described with reference to FIG.

FIG. 11 is a display different from the reproduction progress status display 9 according to the first embodiment of the present invention. However, similar to the reproduction progress status display 9, the reproduction progress status is displayed as the reproduction progress status display 66. It is a front view of the display screen of Embodiment 6 of the invention.

The reproduction progress display 66 is a reproduced data amount display 67 having an area corresponding to the reproduced data amount.
And a reproduction time display 68 by a numerical value and a reproduction progress ratio display 69 by a numerical value are superimposed.

Here, the reproduced data amount display 67 and the reproduction time display 68, or the reproduced data amount display 67 and the reproduction progress ratio display 69 are displayed using different colors, for example, so as not to be difficult to see when they are superimposed. Indication is performed separately.

As described above, the progress of the reproduction is notified by the graphic display represented by the reproduced data amount display 67, and the character display represented by the reproduction time display 68 is superimposed on the displayed graphic. In contrast to the status display 66, a reproduced data amount display 67, a reproduction time display 68, and a reproduction progress ratio display 69 to be displayed can be displayed in a large and easily viewable manner.

[0144]

As described above, according to the present invention, encoded data obtained by sequentially encoding information according to a change on a time axis;
A data storage device that stores a set of time information that is information on the time axis when the encoded data is sequentially encoded, and obtains the encoded data stored in the data storage device and decodes the data. A data reproduction output device that reproduces information by returning to a change on the time axis before encoding, and the time information stored in a data storage device in combination with encoded data acquired by the data reproduction device. A data reproduction position display device for displaying a reproduction position that is a progress on a time axis for reproducing information by the data reproduction device, so that time information at the time of encoding is displayed as information of a reproduction position at the time of data reproduction. Thus, the operator can be notified of the reproduction position information in an easy-to-understand manner.

Also, encoded data obtained by sequentially encoding information in accordance with a change on the time axis, time information which is information on the time axis when the encoded data is sequentially encoded, and A data storage device that stores all reproduction times necessary to reproduce all the encoded data as a set, and obtains the encoded data stored in the data storage device, decodes the data, and decodes the time axis before encoding. A data reproduction output device that reproduces information by returning to the above change, and the data reproduction device uses the time information stored in the data storage device as a set with the encoded data acquired by the data reproduction device to reproduce information. By providing a data reproduction position display device that displays a reproduction position that is a progress on a time axis for reproduction, the reproduction position at the time of data reproduction in the data reproduction device is changed with respect to the entire reproduction time. It can be notified by the easy-to-understand display what is the percentage of.

[0146] The data reproduction position display device further comprises: time information acquisition means for acquiring time information, which is information on the time axis, of encoded data obtained by sequentially encoding information according to a change on the time axis; Reproduction position display means for displaying a reproduction position that is a progress on a time axis for decoding and reproducing the encoded data based on the time information acquired by the information acquisition means, thereby encoding the information of the reproduction position. The time information at the time of conversion is displayed at the time of data reproduction, and the reproduction position information can be easily notified to the operator.

[0147] The data reproduction position display device further comprises: time information acquisition means for acquiring time information, which is information on the time axis, of encoded data obtained by sequentially encoding information according to a change on the time axis; All reproduction time acquisition means for acquiring the entire reproduction time necessary to reproduce all of the encoded data, and the time information acquired by the time information acquisition means and the time acquired by the total reproduction time acquisition means Reproduction position display means for displaying a reproduction position at a reproduction progress rate which is a ratio of the reproduction position to the total reproduction time based on the total reproduction time, so that the reproduction position at the time of reproduction is changed to the total reproduction time. Can be notified in an easy-to-understand manner by displaying the ratio of the ratio.

The reproduction position display means of the data reproduction position display device displays the reproduction position by the area of the figure closed by the curve, so that the difference between the reproduction positions at the time of reproduction can be calculated by the area of the display figure. Large and small can be displayed clearly.

The reproduction position display means of the data reproduction position display device displays the total reproduction time by the area of the first figure closed by the curve, and displays the second reproduction time by the curve inside the first figure. By displaying the elapsed ratio as a reproduction position in the area of the figure, it is possible to easily notify the reproduction position at the reproduction point of the percentage of the entire reproduction time by displaying. it can.

The reproduction position display means of the data reproduction position display device displays the first figure as an ellipse, and displays the second figure as a figure dividing the first figure by a curve. Thus, the ratio of the reproduction position at the reproduction point to the entire reproduction time can be easily understood by the size of the first graphic and the size of the second graphic that is a part of the first graphic. You can be notified.

Further, the reproduction position display means of the data reproduction position display device displays the reproduction progress ratio in the area of at least two figures, and the area of one figure increases with the increase of the reproduction progress ratio, and the other figure increases. The area of the figure of the one figure is the same as the area of the one figure, and the area is reduced as the reproduction progress ratio increases, so that the reproduction progress ratio is notified as visual information by displaying the graphic. In particular, the amount of data that has been reproduced and the amount of data that is waiting for reproduction can be simultaneously notified in an easily understandable manner.

The reproduction position display means of the data reproduction position display device may be arranged such that the two figures are both elliptical, and the increase in the reproduction progress ratio increases the radius of one figure and decreases the radius of the other figure. When the reproduction progress ratio is displayed as a visual information by displaying a graphic, the reproduction progress ratio is displayed by imagining a reel-shaped storage device using the two graphics. And the amount of data waiting to be reproduced can be notified at the same time, and a reel-shaped storage device (including a storage medium) represented by a video tape or an audio tape.
Can be notified in an easy-to-understand manner with a virtual display.

Further, the reproduction position display means of the data reproduction position display device displays the reproduction position by using the numerical value and the area of the graphic, and displays the numerical value inside the graphic closed by the curve, thereby reproducing the data. By superimposing and displaying the notification of the position information with a number and a figure, both the number and the figure can be displayed large and easy to see on a limited display screen.

By providing the data reproduction position display device in the data reproduction device, the reproduction position being reproduced by the data reproduction output device can be displayed and notified to the operator. It is also possible to display the ratio of the position to the entire reproduction time, and to notify the operator in an easy-to-understand manner.

Further, encoded data obtained by sequentially encoding information according to changes on the time axis and time information which is information on the time axis when the encoded data is sequentially encoded are stored as a set. A data storage unit for obtaining the encoded data stored in the data storage unit, decoding the data, and reproducing the information by reverting to a change on the time axis before the encoding; Data reproduction position display means for displaying a reproduction position which is a progress on a time axis at which the data reproduction means reproduces information based on the time information stored in the data storage means in combination with the encoded data. By using the data reproducing method described above, the reproducing position at the time of data reproducing in the data reproducing apparatus is displayed, and it is possible to notify the operator in an easily understandable manner.

Further, encoded data obtained by sequentially encoding information according to a change on the time axis, time information which is information on the time axis when the encoded data is sequentially encoded, and Data storage means for storing a set of all reproduction times necessary to reproduce all of the encoded data obtained, and obtaining the encoded data stored in the data storage means, decoding the time axis before encoding. Data reproducing means for reproducing information by returning to the above change, and reproducing the information by the data reproducing apparatus based on the time information stored in the data storage means in combination with the encoded data obtained by the data reproducing means. And a data reproduction position display means for displaying a reproduction position which is a progress on a time axis to be reproduced. How much is the ratio of the display and whether, it is possible to notice an easy-to-understand the operator against.

[Brief description of the drawings]

FIG. 1 is a block diagram of a data reproducing apparatus according to a first embodiment of the present invention.

FIG. 2 is a processing sequence diagram according to the first embodiment of the present invention.

FIG. 3 is a front view of a display screen according to the first embodiment of the present invention.

FIG. 4 is a processing sequence diagram according to the first embodiment of the present invention.

FIG. 5 is a front view of a display screen according to the first embodiment of the present invention.

FIG. 6 is a front view of a display screen according to the first embodiment of the present invention.

FIG. 7 is a front view of a display screen according to the second embodiment of the present invention.

FIG. 8 is a front view of a display screen according to the third embodiment of the present invention.

FIG. 9 is a front view of a display screen according to the fourth embodiment of the present invention.

FIG. 10 is a front view of a display screen according to the fifth embodiment of the present invention.

FIG. 11 is a front view of a display screen according to the sixth embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 1 video storage device 2 video server 3 playback control device 4 display screen 5 video playback device 6 transmission path 7 transmission path 9 playback progress display 13 playback waiting video data amount display 14 played video data amount display 17 playback time information display 25 video Data details request 26 Video data details response 27 Video data details display processing 30 Playback information notification 31 Video data playback position display processing 34 Playback information notification 35 Video data playback position display processing 37 Playback information notification 38 Video data playback position display processing 41 Playback information Notification 42 Video data playback position display processing 46 Playback information notification 47 Video data playback position display processing 50 Playback information notification 51 Video data playback position display processing 52 Playing progress status display 53 Played data amount display 56 Playing progress status display 57 Played data Amount display 60 Reproduction progress status Display 61 Playback data amount display 64 Playback progress status display 65 Playback data amount display 66 Playback progress status display 67 Playback data amount display 68 Playback time display 69 Playback progress ratio display

Claims (14)

[Claims] An encoded data obtained by sequentially encoding information according to a change on a time axis and time information which is information on the time axis when the encoded data is sequentially encoded are formed as a set. A data storage device for storing, a data reproduction output device for acquiring and decoding encoded data stored in the data storage device, and reproducing information by reverting to a change on a time axis before encoding; A data reproduction position display for displaying a reproduction position which is a progress on a time axis for reproducing information by the data reproduction output device based on the time information stored in the data storage device in combination with the encoded data obtained by the device; A data reproducing device comprising a device. 2. Encoded data obtained by sequentially encoding information according to a change on a time axis, time information which is information on the time axis when the encoded data is sequentially encoded, and the sequential code A data storage device for storing a set of all reproduction times required to reproduce all the encoded data,
Obtaining encoded data stored in the data storage device,
A data reproduction output device that decodes and reproduces information by returning to the change on the time axis before encoding, and the time information stored in the data storage device in combination with the encoded data acquired by the data reproduction output device. A data reproduction position display device for displaying a reproduction position which is a progress on a time axis for reproducing information by the data reproduction output device. 3. A time information obtaining means for obtaining time information which is information on the time axis of encoded data obtained by sequentially coding information according to a change on a time axis, and a time information obtaining means for obtaining the time information. A data reproduction position display device, comprising: reproduction position display means for displaying a reproduction position on a time axis for decoding and reproducing the encoded data based on the time information. 4. Time information acquisition means for acquiring time information, which is information on the time axis, of encoded data obtained by sequentially encoding information according to a change on a time axis, and the encoded data thus sequentially encoded. The entire reproduction time acquisition means for acquiring the total reproduction time required to reproduce all the, the time information acquired by the time information acquisition means and the total reproduction time acquired by the total reproduction time acquisition means A data reproduction position display device comprising reproduction position display means for displaying a reproduction position based on a reproduction progress ratio which is a ratio of the reproduction position to the total reproduction time. 5. The reproduction position display means displays the reproduction position by an area of a figure closed by a curve.
2. A data reproduction position display device according to item 1. 6. The reproduction position display means displays the total reproduction time in an area of a first figure closed by a curve, and displays the first reproduction time.
5. The data reproduction position display device according to claim 4, wherein the elapsed ratio is displayed as a reproduction position in an area of a second graphic closed by a curve inside the graphic. 7. The data reproduction according to claim 6, wherein the reproduction position display means displays the first graphic as an ellipse and displays the second graphic as a graphic that divides the first graphic with a curve. Position display device. 8. The reproduction position display means displays the reproduction progress ratio in the area of at least two graphics, and the area of one graphic increases as the reproduction progress ratio increases, and the area of the other graphic increases. 8. The data reproduction position display device according to claim 5, wherein an area summed with the one figure is constant, and decreases as the reproduction progress ratio increases. 9. The reproduction position display means, wherein the reproduction progress ratio is determined such that both figures are elliptical, and the reproduction progress ratio is increased by increasing the radius of one graphic and decreasing the radius of the other graphic. 9. The data reproduction position display device according to claim 8, wherein the display is a virtual display of a reel-shaped storage device using the two figures. 10. The reproduction position display means according to claim 5, wherein the reproduction position is displayed by a numerical value and an area of a graphic, and the numerical value is displayed by overlapping the graphic closed by the curve. Data playback position display device. 11. A data reproducing device according to claim 1, comprising the data reproducing position display device according to claim 3. 12. A data reproducing device according to claim 2, comprising the data reproducing position display device according to claim 2. 13. A set of encoded data obtained by sequentially encoding information according to a change on a time axis and time information which is information on the time axis when the encoded data is sequentially encoded. Data storage means for storing, data reproduction output means for acquiring and decoding encoded data stored in the data storage means and reproducing information by reverting to changes on a time axis before encoding; and the data reproduction output A data reproduction position display for displaying a reproduction position on the time axis at which the information is reproduced by the data reproduction output means based on the time information stored in the data storage means in combination with the encoded data obtained by the means. Data reproducing method comprising: 14. An encoded data obtained by sequentially encoding information according to a change on a time axis, time information which is information on the time axis when the encoded data is sequentially encoded, and the sequential code Data storage means for storing a set of all reproduction times necessary to reproduce all of the encoded data, and obtaining and decoding the encoded data stored in the data storage means, the time before encoding. Data reproduction output means for reproducing information by returning to an on-axis change; and the data reproduction output means based on the time information stored in a data storage means in combination with the encoded data obtained by the data reproduction output means. And a data reproduction position display means for displaying a reproduction position which is a progress on a time axis for reproducing the information by the method.