JPH086757A - Shared information display system - Google Patents

Abstract

PURPOSE:To discriminate indicating means and make indication points distinctive by preventing the indicating means from being displayed on shared information in a congested state. CONSTITUTION:The shared information display system displays the indicating means that operators of respective terminals 1 can operate at the same time on the shared information for displaying the same information on respective display devices 12 of the terminals 1 at the same time, and is provided with an active degree detecting means 22 which detects active degrees to the shared information and an active degree decision means 23 which decides the detected active degrees; and the indicating means are displayed differently according to the decided active degrees.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shared information display system, and more particularly to an icon for operating a display device of a plurality of terminals which simultaneously displays the same information in a shared information display system used in a support device of a distributed conference system. .

[0002]

2. Description of the Related Art Conventionally, as a system used in a distributed conference system or the like, there is a conference support system in which a common display is displayed on a display device of a plurality of terminals and an instruction icon for the display is also provided in each terminal. .

For example, as shown in FIG. 17, a plurality of terminals 101 are connected by a communication network 3 or the like, a document to be discussed is displayed as shared information on a display device of each terminal 101, and all the conference participants. Provides a method using a shared information display system in which the user operates, gives instructions, changes, etc. to the shared information using the instruction icon and displays the instruction icons of all the conference participants on the display devices of all the terminals 101. Has been done.

However, in this method, since the instruction icons of all the conference participants are displayed under the equal condition, even the instruction icons of the operators who do not speak are displayed as shown in FIG. That is, since all the instruction icons of the operators of the terminals participating in the shared information display system are displayed, the shared information display area 171 displaying the shared information displays the instruction icons in the conference where many participants are present. There is a possibility that the information of the document, which is the shared information under discussion, is hidden and the intention of the document cannot be grasped because the document information is completely filled with 172.

[0005]

As described above, in the conventional method, since the instruction icons of all the conference participants are displayed under the equal condition, it becomes complicated and the screen is filled up and disappears. was there.

In order to cope with such a problem, the present invention distinguishes the display form of the instruction icon by differentiating the display form of the instruction icon according to the degree of participation in the discussion, that is, the degree of activeness for the shared information, and thus the sharing subject to the discussion. The purpose is to provide a shared information display system that clarifies points for information discussion.

[0007]

In order to achieve the above object, the present invention provides shared information displayed on the display devices of a plurality of terminals that simultaneously display the same information, or one unit shared by a plurality of terminals. On the shared information displayed on the display device of
In a shared information display system for displaying instruction means that can be simultaneously operated, instructed, and changed by an operator of each of the terminals,
Activeness detecting means for detecting the activeness of the shared information, activeness determining means for determining the degree of the activeness from the detection result of the activeness detecting means, and the shared information determined by the activeness determining means Display control means for changing the display of the instructing means according to the determination result of the degree of the activeness with respect to.

[0008]

According to the present invention, it is possible to distinguish the display format of the instruction means (instruction icon) depending on the degree of participation in the discussion, that is, the degree of activity on the shared information.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A shared information display system according to the present invention will be described in detail below with reference to the accompanying drawings.

FIG. 1 is a block diagram of an embodiment of the shared information display system of the present invention. In the figure, 1 is a shared information display terminal,
2 is a shared information display control device, 3 is a communication network, and the shared information display control device 2 and the shared information display terminal 1 are connected to the communication network 3 and communicate with each other via the communication network 3.

The shared information display control device 2 includes a shared information display control device controller 21, an activity detector 22, and an activity determiner 2.
3, an activity determination result table 24, a communication interface unit 25, and the like.

The shared information display control device controller 21 controls the entire shared information display control device 2 as a whole, and controls the reception of information related to the shared information display control request from the shared information display terminal 1 and the like. , A transmission control function for controlling transmission of information related to the shared information display control result to the shared information display terminal 1, and an activity level in which the activity level of each shared information display terminal 1 determined by the activity level determination unit 23 is stored. With the instruction icon display change control function of determining the instruction icon format to be displayed from the information of the determination table 24 and generating the display instruction icon information, the shared information display control request information from the shared information display terminal 1 or the instruction icon display change control function. It has a shared information display management function of determining the generated display instruction icon information and generating shared information display control result information.

The activity detector 22 is provided for each shared information display terminal 1
The volume level of the voice information collected by the microphone 131 is detected for each shared information display terminal 1, and the volume level integrated value is obtained by integrating the shared information display terminal 1 at regular intervals.

The activity level determination unit 23 compares the volume level integrated value for each shared information display terminal 1 detected by the activity level detection unit 22 with a preset activity level determination threshold value, and the determination result is used as the activity level. It is stored in the judgment table 24.

The activeness determination table 24 includes an activeness determination unit 2
The activity determination result determined in 3 is stored.

The communication interface unit 25 communicates with the shared information display terminal 1 through the communication network 3 under the control of the shared information display control device 21.

The shared information display terminal 1 comprises a shared information display terminal control device 11, a display device 12, and an operator information input device 13.

The shared information display terminal control device 11 controls the display device under the control of the shared information display terminal control unit 111 and the shared information display terminal control unit 111, which collectively control the shared information display terminal 1. Display device interface section 11
2. Under the control of the shared information display terminal control unit 111, the communication interface unit 113 that communicates with the shared information display control device 2 via the communication network 3, and the shared information display terminal control unit 111.
An operator information input device interface section 114 for fetching operator input information input from the operator information input device 13 is provided under the control of.

The operator information input device interface section 114 has a microphone interface 1141 for fetching voice information input from the microphone 131, which is one of the operator information input devices 13, into the shared information display terminal 1, and the operator information input device 13. A pointing device interface 1142 for fetching the pointing information input from the pointing device 132, which is one of the above, into the shared information display terminal 1 is accommodated.

The shared information display terminal control unit 111 controls the shared information display terminal 1 as a whole, and the shared information display control device 2
Control function for performing reception control of information related to shared information display control result from the device, transmission control function for transmission control of information related to shared information display control request to the shared information display control device 2, shared information display control device The shared information display control function for controlling the shared information display according to the shared information display control result information from 2 and the pointing device 13
2 has a pointing information input control function and the like for controlling input of pointing information from 2.

The display device 12 displays shared information. The number of display devices 12 connected to the shared information display terminal 1 for displaying shared information is not limited to one, and a plurality of display devices 12 may be installed.

The operator information input device 13 is a device for the operator to input information to the shared information display system. The operator information input device 13 is shared by the microphone 131 for inputting the conversation voice of the operator, which is one of the criteria for active judgment, and the operator's sharing. A pointing device 132 for inputting operation / instruction information for the information is stored.

Next, the operations of the shared information display terminal 1 and the shared information display control device 2 in the shared information display system thus configured will be described.

FIG. 2 shows a flowchart showing the operation of the shared information display control device 2.

By connecting a communication line to the shared information display terminal 1 (201), the operation of the shared information display system is started (202). Then, the processes (204 to 207) for managing the shared information display system are operated in cooperation by the interrupt (203).

As the processing for managing the shared information display system, the reception control processing (204), the instruction icon display change control processing (205), and the shared information display management processing (2
06), a transmission control process (207), and the like.

When a reception control processing interrupt occurs (20
3) The reception control function receives the voice information sent from the shared information display terminal 1 and the information on the operation / instruction for the shared information by the operator, that is, the pointing information serving as the shared information display request information (204).

When the instruction icon display change control process interrupt occurs (203), the determination result that the activity of each shared information display terminal 1 determined by the activity determination unit 23 is accumulated by the instruction icon display change control function. Table 24
It is determined whether the display format of the instruction icon is changed based on the information (205).

When the shared information display management processing interrupt occurs (203), the shared information display management function causes the shared information display control request information from the shared information display terminal 1 and the instruction icon display determined by the instruction icon display change control function. The change information is judged and shared information display control result information is generated (206).

When a transmission control processing interrupt occurs (20
3), the shared information display control result information is transmitted by the transmission control function (207).

When terminating the shared information display system,
In response to a request from the shared information display terminal 1, a system termination interrupt is generated (203), operation of the shared information display system is terminated (204), and the line with the shared information display terminal 1 is disconnected (208).

FIG. 3 is a flowchart showing the operation of the shared information display terminal 1.

The shared information display terminal 1 joins the shared information display system by connecting itself to the shared information display control device 2 via a communication line (301) (30).
2). Then, the processes (304 to 308) for using the shared information display system are operated in cooperation by the interrupt (303).

The processing for using the shared information display system includes voice input processing (304), pointing information input processing (305), transmission control processing (306), reception control processing (307), shared information display processing ( 308) and so on.

When a voice input processing interrupt occurs (30
3), the shared information display terminal 1 has a voice input control function,
The voice of the operator, which is a measure for determining the degree of activity, is captured as voice information via the microphone 131 and the microphone interface 1141 (304).

When a pointing information input process interrupt occurs (303), the shared information display terminal 1 uses the pointing information input control function to send the pointing information, which is the information of the operation / instruction for the shared information of the operator, to the pointing device 132 and the pointing device interface. Captured via 1142 (305).

When a transmission control processing interrupt occurs (30
3) The shared information display terminal 1 uses the transmission control function to transmit pointing information, which is voice information or shared information display control request information, to the shared information display control device 2 (306).

When a reception control processing interrupt occurs (30
3), the shared information display terminal 1 receives the shared information display control result information as a result of the shared information display control device 2 judging the shared information display control request information from each shared information display terminal 1 by the reception control function ( 307).

When the shared information display processing interrupt occurs (303), the shared information display terminal 1 controls the shared information display state based on the shared information display control result information by the shared information display control function (308).

When leaving the shared information display system,
Generate a system exit interrupt by key input, etc. (30
3) Leave the shared information display system (309) and leave the line (310).

Next, how the shared information display control device 2 and the shared information display terminal 1 operating in this way cooperate with each other to control the change of the instruction icon will be described.

The shared information display control device 2 includes an activity detector 2
In 2, the volume level of the voice information collected by the microphone of each shared information display terminal 1 that has entered the shared information display system is integrated for each shared information display terminal 1 at regular intervals to detect the activity level. Then, the volume level integrated value is transmitted to the activity level determination unit 23. The activity level determination unit 23 determines the activity level by comparing the volume level integrated value obtained by the activity level detection unit 22 for each shared information display terminal 1 with a preset activity level determination threshold value, and the determination result Are stored in the activity determination result table 24.

Here, if the detected values are simply compared, there is a possibility that an operator having a high sound volume level of conversation voice may make a judgment different from the actual activity level between the operators. Therefore, the average value of the volume level of each operator when speaking is calculated, and the corrected volume level integrated value corrected using the average value is compared with a preset activeness determination threshold value. You can also

The activeness determination result of each shared information display terminal 1 stored in the activeness determination result table 24 is interpreted by the instruction icon display change control function of the shared information display control device 2. FIG. 4 is a flowchart of the instruction icon display change control process for executing the instruction icon display change control function of the shared information display control device 2.

When an instruction icon display change control processing interrupt occurs (401), the shared information display control device 2 reads the stored activity determination result for each shared information display terminal 1 from the activity determination result table 24 ( 40
2) Determine the instruction icon to be displayed and generate the display instruction icon information (403).

The display instruction icon information generated by the instruction icon display change control function is the shared information display control device 2
Interpreted by the shared information display management function of. FIG. 5 is a flowchart of a shared information display management process for executing the shared information display management function of the shared information display control device 2.

When the shared information display management processing interrupt occurs (501), the display instruction icon information for each shared information display terminal 1 generated by the instruction icon display change control function and the pointing information from each shared information display terminal 1 are displayed. Shared information display control request such as (502),
The shared information display state is determined (503), and shared information display control result information is generated (504).

The shared information display control result information determined by the shared information display management function is transmitted to each shared information display terminal 1 participating in the shared information display system by the transmission control function.

On the other hand, in the shared information display terminal 1, the shared information display control result information transmitted from the shared information display control device 2 is received by the reception control function, and the shared information display control result information is received by the shared information control function. Interpret.

FIG. 6 is a flowchart of the shared information display control processing for executing the shared information display control function of the shared information display terminal 1.

When a shared information display control process interrupt occurs (601), the shared information display control result information received by the reception control function is interpreted (602), and the display state of the shared information is changed (603).

By switching the shared information display state by the instruction icon control method controlled in this way, the display format of the instruction icon indicating the status of the operation / instruction for the shared information of each operator can be changed to the active degree for the shared information. If it is lower than a certain value, do not display the instruction icon,
The instruction icon is semi-transparent so that the shared information under the instruction icon can be seen, or has a circular structure of a certain size (that is, shows a round area such as a spotlight) or has a polygonal structure (rectangular). , Squares, regular polygons, and other areas are shown), and the display is changed to a standard instruction icon only when the activity is higher than a certain value.

FIG. 7 shows a display example of the standard instruction icon 72, the semi-transparent instruction icon 73, the circular area instruction icon 74, and the regular hexagonal or rectangular area instruction icon 75 in the shared information display area 71.

In order to identify the operator who is operating the instruction icon, the instruction icon displayed in this way can be identified by the number, name, and name entered in the shared information display system when each operator entered the shared information display system. Identification information such as figures, still images, and images is added.

FIG. 8 shows a display example of the shared information display area 71 when the name of the operator is added as identification information to the instruction icons 72 to 75.

The above description has been realized for the structure shown in FIG. 1, but it can be realized by a structure different from this.

FIG. 9 shows an example of a configuration in which the activity detector is housed in the shared information display terminal. In FIG. 9, the activity detector 11
5 is transmitted to the shared information display control device 2 by accommodating and detecting 5 in the shared information display terminal 1, and the active level determination unit 23 of the shared information display control device 2 receives the integrated voice level value.
FIG. 7 is a configuration diagram in the case of being used in step S3, and thereafter performing instruction icon display change processing and shared information display management processing.

With this configuration, since the shared information display terminal 1 needs to transmit only the information of the voice level integrated value to the shared information display control device 2, the shared information display terminal 1 transfers the shared information display control device 2 to the shared information display control device 2. The amount of information to be transmitted is smaller than that in the case of transmitting voice information. Further, since the process of calculating the voice level integrated value is distributed to the shared information display terminals 1 and the process that the shared information display control device 2 has to execute is reduced, the number of shared information display terminals 1 that can be accommodated at the same time is reduced. Can be a lot.

FIG. 10 shows still another embodiment of the configuration in which the activity detector and the activity determiner are housed in the shared information display terminal.

In FIG. 10, the activeness detecting section 115 and the activeness determining section 116 are accommodated in the shared information display terminal 1, the determined activeness determination result information is transmitted to the shared information display control device 2, and the activeness determination is performed. Shared information display control device 2 with result information
FIG. 6 is a configuration diagram in the case of storing in the activity determination result table 24, and thereafter performing the instruction icon display change processing and the shared information display management processing.

By adopting this configuration, since the information on the activeness determination result is transmitted to the shared information display control device 2 only when the determination state is changed from the shared information display terminal 1, the shared information display terminal 1 transmits the shared information. The amount of information transmitted to the display control device 2 can be further reduced. Further, the process of calculating the voice level integrated value and the activity determination process are distributed to the shared information display terminal 1, and the processes that the shared information display control device 2 has to execute are reduced, so that the shared information that can be accommodated at the same time can be stored. The number of display terminals 1 can be further increased.

Next, an embodiment in which a plurality of operator information input devices are accommodated in the shared information display control device will be described.

In FIG. 11, at least one display device 12 for displaying shared information and a plurality of operator information input devices 13 are connected to the multi-operator accommodating shared information display control device 4, and the multi-operator accommodating shared information display control device 4 is connected. The voice level integrated value of each operator is calculated to determine the degree of activity, and the instruction icon display change processing and shared information display management processing are performed using the activity determination result and the shared information display control request information input by the operator. FIG. 6 is a configuration diagram when performing shared information display control processing.

By adopting this configuration, a conference room, etc.
The shared information display system can be applied to a meeting held at a specific place with a minimum configuration.

Another embodiment in which a plurality of operator information input devices are accommodated in the shared information display control device will be described below.

In FIG. 12, the shared information display control device 4 accommodates an activeness detection unit 45, an activeness determination unit 46, and an activeness determination result table 47, and the shared information display control device 4 and the shared information display terminal are remote. The shared information display control device 4 collects voice information and shared information display control request information input from the operator information input devices 13 and 53 of the operator accommodating device 5, and detects the volume level integrated value for each operator,
A configuration diagram in which the degree of activity with respect to shared information is determined, instruction icon display change processing, shared information display management processing are performed, and subsequent shared information display control processing is performed by shared information display control device 4 and remote operator accommodation device 5, respectively. Is.

At this time, the shared information display control device 4 may be a control-only device that does not include the display device 12 and the operator information input device 13. On the contrary, the shared information display control device 4 and the remote operator accommodation device 5 may include a plurality of operator information input devices 13 and 53 and a plurality of display devices 12 and 52.

In FIG. 13, the shared information display controller 4 is provided with an activeness detector 45, an activeness determination unit 46, and an activeness determination result table 47, and a remote operator accommodation device 5 which is a shared information display terminal has an activeness detector. 515, accommodating the volume level integrated value for each operator, the operator information input device 13,
The shared information display control device 4 and the remote operator accommodating device 5 to which 53 is connected are respectively activeness detection parts 4
5, 515, and the shared information display control device 4 collects the volume level integrated value and shared information display control request information,
A configuration diagram in which the degree of activity with respect to shared information is determined, instruction icon display change processing, shared information display management processing are performed, and subsequent shared information display control processing is performed by shared information display control device 4 and remote operator accommodation device 5, respectively. Is.

At this time, the shared information display control device 4 may be a control-only device that does not include the display device 12 and the operator information input device 13. On the contrary, the shared information display control device 4 and the remote operator accommodation device 5 may include a plurality of operator information input devices 13 and 53 and a plurality of display devices 12 and 52.

In FIG. 14, the shared information display control device 4 is provided with an activeness detection unit 45, an activeness determination unit 46, and an activeness determination result table 47, and the remote operator accommodation device 5 which is a shared information display terminal has an activeness detection unit. 515 and the activity determination section 516, and the operator information input devices 13 and 53 are connected to the shared information display control device 4 and the remote operator accommodation device 5, respectively. The level integration value is detected, the respective activity determination units 46, 516 determine the activity for the shared information for each operator, and the shared information display control device 4 collects the activity determination result and the shared information display control request information. Then
A configuration diagram in which the degree of activity with respect to shared information is determined, instruction icon display change processing, shared information display management processing are performed, and subsequent shared information display control processing is performed by shared information display control device 4 and remote operator accommodation device 5, respectively. Is.

At this time, the shared information display control device 4 may be a control device which does not include the display device 12 and the operator information input device 13. On the contrary, the shared information display control device 4 and the remote operator accommodation device 5 may include a plurality of operator information input devices 13 and 53 and a plurality of display devices 12 and 52.

By adopting the configurations shown in FIGS. 12, 13, and 14 as described above, in a conference in which a plurality of conference participants participate in each of a plurality of places, this shared information can be obtained with a minimum configuration. Display system can be applied. In particular, FIGS. 14 and 15 are configurations in which the processing load of the shared information display control device is relatively small, and it is possible to accommodate a larger number of operators.

Another embodiment in which the activity detector, the activity determiner, and the activity determination result table are accommodated in all shared information display terminals will be described below.

FIG. 15 shows each shared information display terminal 1.
In addition, the activity detection unit 115, the activity determination unit 116, and the activity determination result table 117 are accommodated, and the shared information display system is distributed and managed and controlled by each shared information display terminal 1.
Configuration diagram in the case of detecting and determining the degree of activity of the other shared information display terminal 1 participating in the shared information display system with respect to the shared information, and performing instruction icon display change processing, shared information display management processing, and shared information display control processing Is.

Further, in FIG. 16, each shared information display terminal 6 to which a plurality of operator information input devices 63 are connected accommodates an activeness detection section 615, an activeness determination section 616 and an activeness determination result table 617. , The shared information display system is distributed and managed and controlled by each shared information display terminal 6, the degree of activity of each operator participating in the shared information display system with respect to the shared information is detected and determined, and the instruction icon display changing process and the shared information are performed. It is a block diagram in the case of performing display management processing and shared information display control processing.

By adopting the configurations of FIGS. 15 and 16, since the shared information display terminals are distributed and the shared information display system is managed and controlled, a special device such as the shared information display control device is not required. A shared information display system can be constructed.

In the configuration of FIG. 16, a plurality of operators can simultaneously connect to each shared information display terminal, and a large number of people can be accommodated in the shared information display system at a lower cost.

When a plurality of operators are connected to the same shared information display control device or shared information display terminal, the shared information display system is operated by separate conference support systems having no relation between the operators. You can also enter.

In the above embodiments, the voice information of the operator is used as a measure for determining the degree of activity, but the present invention is not limited to this, and the movement of the pointing icon input from the pointing device is not limited to this. The amount of activity, information for selecting shared information, that is, other scale information such as operation information related to operation actions generally called drag and click, or these in combination with voice information is used to determine the degree of activity. You may judge.

[0080]

As described above, according to the present invention, the document to be discussed is displayed on the display device as shared information, and all conference participants operate, instruct, and change the shared information by the instruction icon. And so on,
In a shared information display system that displays the instruction icons of all the conference participants on each display device, the activity of the conference participants for the shared information is detected, the degree of the detected activity is determined, and the determination is made. Depending on the result,
The display format of the instruction icon to be displayed is changed, and, for example, a method of not displaying the instruction icon of the participant having low activity on the shared information is executed. As a result, it is possible to prevent the display of the shared information from being congested, make it easier to see the display screen, and clarify the points of discussion of the shared information to be discussed.

[Brief description of drawings]

FIG. 1 is a block diagram of an embodiment of a shared information display system of the present invention.

FIG. 2 is an operation flowchart of the shared information display control device in the embodiment shown in FIG.

3 is an operation flowchart of the shared information display terminal in the embodiment shown in FIG.

FIG. 4 is a flowchart of an instruction icon display control process of the shared information display control device in the embodiment shown in FIG.

5 is a flowchart of shared information display management processing of the shared information display control device in the embodiment shown in FIG.

FIG. 6 is a flowchart of a control process for displaying shared information on the shared information display terminal in the embodiment shown in FIG.

FIG. 7 is a diagram showing a display example of various icons in the embodiment shown in FIG.

8 is a diagram showing a display example of various icons and identification information in the embodiment shown in FIG.

FIG. 9 is a block diagram of another embodiment of the shared information display system of the present invention.

FIG. 10 is a block diagram of still another embodiment of the shared information display system of the present invention.

FIG. 11 is a block diagram of still another embodiment of the shared information display system of the present invention.

FIG. 12 is a block diagram of still another embodiment of the shared information display system of the present invention.

FIG. 13 is a block diagram of still another embodiment of the shared information display system of the present invention.

FIG. 14 is a block diagram of still another embodiment of the shared information display system of the present invention.

FIG. 15 is a block diagram of still another embodiment of the shared information display system of the present invention.

FIG. 16 is a block diagram of still another embodiment of the shared information display system of the present invention.

FIG. 17 is a block diagram of a conventional shared information display system.

FIG. 18 is a view showing a display example of icons in a conventional shared information display system.

[Explanation of symbols]

 1 shared information display terminal 2 shared information display control device 3 communication network 4 multiple operator accommodation shared information display control device 5 remote operator accommodation device 6 multiple operator accommodation shared information display terminal 11 shared information display terminal control device 12, 52 display device 13, 53 Operator information input device 21 Shared information display control device control unit 22, 45, 115, 515, 615 Activeness detection unit 23, 46, 116, 516, 616 Activeness determination unit 24, 47, 117, 617 Activeness determination result Table 25, 113 Communication interface section 71 Shared information display area 72, 172 Standard instruction icon 73 Semi-transparent instruction icon 74 Circular area instruction icon 75 Regular hexagonal area instruction icon 101 Terminal 111 Shared information display terminal control section 112 Display device interface section 114 Operator Emotion Input device interface 1141 microphone interface 1142 a pointing device interface 131 microphone 132 pointing device

Claims (6)

[Claims] 1. The shared information displayed on the display devices of a plurality of terminals that simultaneously display the same information, or the shared information displayed on a single display device shared by a plurality of terminals,
In a shared information display system that displays an instruction means that can be simultaneously operated, instructed, and changed by an operator of each of the terminals, an activity detection means for detecting an activity for the shared information, and a detection result of the activity detection means Activeness determining means for determining the degree of the activeness, and display control means for changing the display of the instructing means according to the determination result of the degree of the activeness with respect to the shared information determined by the activeness determining means. A shared information display system, which comprises: 2. The activity detecting means sets a value obtained by accumulating voice levels of the operator of each of the terminals at regular intervals as a detection result of the degree of the activity, and compares the detection result with an activity determination threshold value. The shared information display system according to claim 1, wherein the determination result is obtained by doing so. 3. The activity detecting means corrects the voice level of the operator of each of the terminals by the average value of the voice level of the operator when speaking as a result of the detection of the degree of the activeness, and at fixed intervals. The shared information display system according to claim 2, wherein an integrated value is used. 4. The sharing according to claim 1, 2 or 3, wherein the indication means is not displayed when the degree of the activeness of the shared information is lower than a certain value. Information display system. 5. When the degree of the degree of activeness with respect to the shared information is lower than a certain value, the indicating means indicates the boundary of an area having a certain size, and the inside thereof is transparently or semi-transparently displayed. The shared information display system according to claim 1, 2, or 3. 6. The shared information display system according to claim 1, wherein the instruction means displayed on the shared information is further provided with information for identifying an operator of the terminal.