JPH06141321A - Video display system - Google Patents

Abstract

PURPOSE:To display even information other than picture information at each point with a simple configuration without using an inter-multi-point video conference controller. CONSTITUTION:A network access means 36 generates information relating to communication equipments 1-3 to send it to a transmission means 32 as a control signal and the transmission means 32 gives a control signal to a video signal sent from an image pickup means 31 and a voice input means 38 and sends the result to a communication network 4, a reception means 33 receives the video signal and the control signal sent from plural other transmitters via the communication network 4, the video signal and the control signal are separated and sent to a network access means 36 and a network access means 36 sends the content of the control signal to superimpose means 15, 35.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video display system,
The present invention relates to a video display system in a so-called multipoint video communication system for transmitting / receiving video information between a plurality of points.

[0002]

2. Description of the Related Art Conventionally, this type of image display system has been a technique of synthesizing respective images sent from communication devices at other plural points, and only synthesizing the synthesized image. Character information that differs for each point was not imaged.

There is a so-called multi-point video conference control device provided with such character information and the like, and the multi-point video conference control device is provided for each point. It was known that a character string was superimposed on the image (Japanese Patent Application No. 60-1).
91894).

[0004]

However, in the above-mentioned conventional video display system, since only the image is displayed, the image such as where the displayed point is or who is displayed is displayed. There was a problem that it was difficult to make such a judgment because information other than the above was not imaged.

Further, the method of superimposing the information by the multipoint video conference control device has a problem that it cannot be realized by communication without using the multipoint video conference control device.

Therefore, the present invention has been made under such circumstances, and an object of the present invention is to provide a simple structure without using a multipoint video conference control device, and to provide a function for each point. Is to provide a video display system capable of displaying information other than image information.

[0007]

In order to achieve such an object, the video display system according to the present invention basically comprises:
A photographing means for photographing a video, a voice input means for inputting a voice, a transmitting means for outputting a signal to a communication network, a receiving means for receiving a signal from the communication network, and a voice addition for adding a voice to a video and outputting it. And output means, a video synthesizing means for synthesizing a plurality of received videos into a single video, a superimposing means for superimposing characters and the like on the synthesized video, a display means for displaying the video, and a control signal. There are a plurality of communication devices each having a network access means for creating and transmitting and receiving, and the communication devices communicate with each other via a communication network. Related information is created and sent as a control signal to the transmission means, and the transmission means adds the control signal to the video signal sent from the photographing means and the audio input means to communicate with the communication network. The transmitting means receives the video signal and the control signal sent from a plurality of other transmitting devices via the communication network, separates the video signal and the control signal, and accesses the control signal to the network. And transmitting the contents of the control signal to the superimposing means.

[0008]

According to the video display system thus constructed, the receiving means in each communication device receives each video signal and information from another communication device. in this case,
In other communication devices, the information about the device can be transmitted by the network access means via the transmission means.

Among the video signals and information received from other communication devices, the information is taken out by the network access means, and the video signals are synthesized by the video synthesizing means and sent to the superimposing means. become.

On the other hand, each information from the network access means is superposed by the superimposing means on the image of the communication device to which the information is sent.

Then, the composite image thus superimposed is displayed on the display means.

Therefore, it becomes possible to image information other than the image information at each point with a simple structure without using a multipoint video conference control device.

[0013]

1 is a system block diagram showing an embodiment of a video display system according to the present invention.

In the figure, communication device A1 and communication device B
2 and a communication device C3, and these communication devices A1 and
The communication device B2 and the communication device C3 can communicate with each other via the communication network 4.

The communication device A1, the communication device B2, and the communication device C3 have the same configuration, and only the configuration of the communication device A1 will be described below.

First, there is a photographing means 11, and the image A101 obtained by this photographing means 1 is inputted to the transmitting means 12. Further, there is a voice input means 18, and the voice obtained by the voice input means 18 is inputted to the transmission means 12.

On the other hand, there is a network access means 16, and this network access means 16 can set up a call with another communication device B2 and communication device C3.
After this call setup, the communication device A1 is sent to the transmission means 12.
Information can be sent. As a result, the transmission means 12 is configured to add the information to the video A101.

The image A101 to which the above information is added by the transmitting means 12 is sent to the other communication devices B1 and C3 via the communication network 4.

The respective images and the information from the communication devices B2 and C3 sent via the communication network 4 are input to the receiving means 13.

Then, the above-mentioned respective images are combined by the image synthesizing means 14
The image synthesizing means 14 synthesizes the image in a predetermined format. Further, the image thus synthesized is sent to the superimposing means 15.

Further, there is a network access means 16, and this network access means 16 fetches each information other than the image relating to the communication devices B2 and C3 from the receiving means and notifies the superimposing means 15 of the information. .

The superimposing means 15
Then, each of the above information is superimposed on the image of the communication device to which the information is sent.

The output from the superimposing means is output to the display means 17.

Next, the operation of the video display system thus constructed will be described below.

(1). First, the communication device A1 and the communication device B
A case where the image input from 2 is displayed on the communication device C3 will be described.

The communication device A1 has its network access means 1
The call setting is performed between the communication device B2 and the communication device C3 by the control unit 6. After completion of the call setup, the network access means 16
The transmitting unit 12 is notified of the information about the communication device A1 from the transmitting unit 12. The image A101 photographed by the photographing means 11 is transmitted by the transmitting means 12 with the above information added thereto, and the communication network 4
Is sent to the communication device C3 via.

The same operation is performed in the communication device B2,
The information about the image B102 and the communication device B2 captured by the image capturing means 21 is transmitted by the transmitting means 22 and sent to the communication device C3 via the communication network 4.

In the communication device C3, the receiving means 33 receives the video A101 and the video B102 from the communication device A1 and the communication device A2, respectively, and further receives the information about the communication device A1 and the communication device B2 to obtain the video. It is transferred to the synthesizing means 34 or the like.

In the image synthesizing means 34, the receiving means 3
The images transferred from No. 3 are combined in a predetermined format, and the combined image 103 is sent to the superimposing unit 35.

On the other hand, the network access means 36 is the communication device A.
1. Information about the communication device B2, for example, information including a telephone number is notified to the superimposing means 35.

In the superimposing means 35, the communication device A1 and the communication device B2 are added to the composite video 103 from the video composition means 34 based on the notified information.
Superimpose a different character string for each video from
The image formed by this is the superimposed image 1
04 is transferred to the display means 17.

As a result, the display means 17 displays the superimposed image 104 on its display surface.

Here, the control signal is, for example, ISD.
It is transmitted as a header or footer attached to the D channel video signal of the N communication network.

When images input from the communication device A1 and the communication device C3 are displayed on the communication device B2, or images input from the communication device C3 and the communication device B2 are displayed on the communication device A1. In the case, it is processed in the same manner as above.

(2). Next, the communication device A1 and the communication device B
A case where the voice input from 2 is output to the communication device C3 will be described.

In the communication device A1, the voice input by the voice input means 18 is transmitted by the transmitting means 12 and sent to the communication device C3 via the communication network 4.

Similarly, in the communication device B2, the voice input by the voice input means 28 is transmitted by the transmitting means 22 and sent to the communication device C3 via the communication network 4.

In the communication device C3, the receiving means 33 receives the respective voices from the communication device A1 and the communication device B2 and transfers them to the voice adding and outputting means 39.

The voice addition and output means 39 outputs both voices after addition.

When the respective voices input from the communication device A1 and the communication device C3 are output to the communication device B2, or the respective voices input from the communication device C3 and the communication device B2 are output to the communication device A1. In the case, it is processed in the same manner as above.

FIG. 2 shows the images A101 and B10.
2 is an explanatory diagram showing an example of a composite image 103 and a superimposed image 104. FIG.

FIG. 4A shows the image A101, FIG. 8B shows the image B102, FIG. 7C shows the composite image 103, and FIG.

Reference numeral 20 is assigned to the superimposed image 104.
The numeral indicated by 0 indicates the character string for the video A, and the reference numeral 201
The alphabets indicated by indicate the image B character strings.

That is, the superimposed image 10
In FIG. 4, the video A character string 200 is superimposed on the video A 101, and the video B character string 201 is superimposed on the video B 102.

The character string to be superimposed includes, in addition to the telephone number shown in the embodiment, information obtained during call control, such as high-layer compatibility and low-layer compatibility. It goes without saying that it is good.

According to the video display system according to the above-described embodiment, the receiving means in each communication device receives each video signal and information from another communication device. In this case, in the other communication device, the information about the device can be transmitted by the network access means through the transmission means.

Of the video signals and information received from other communication devices, the information is taken out by the network access means, and the video signals are synthesized by the video synthesizing means and sent to the superimposing means. become.

On the other hand, each information from the network access means is superposed by the superimposing means on the image of the communication device to which the information is sent.

The composite image thus superimposed is displayed on the display means.

Therefore, the information other than the image information at each point can be imaged with a simple structure without using the multipoint video conference control device.

In the above embodiment, the character to be superimposed and its position may be set in advance, or the user of the communication device may instruct each time. Of course.

Further, although the above-mentioned embodiment shows the one in which each communication device is capable of transmitting and receiving the video, respectively, the present invention is not limited to this, and is applied to the case of a communication device which only receives. It goes without saying that you can do it.

Further, in the above embodiment, when the communication device on the receiving side displays the images from the communication devices at the other plural points, it is displayed as a so-called reduced composite screen. However, the present invention is not limited to this, and it goes without saying that a plurality of images may be displayed by a so-called multi-window method.

[0054]

As is apparent from the above description,
It becomes possible to image information other than image information at each point with a simple configuration without using a multipoint video conference control device.

[Brief description of drawings]

FIG. 1 is a system configuration diagram showing an embodiment of a video display system according to the present invention.

2A to 2D are explanatory diagrams showing the states of video signals of respective parts in the system configuration diagram shown in FIG.

[Explanation of symbols]

1 ... Communication device A, 2 ... Communication device B, 3 ... Communication device C, 4
... communication network, 11 ... shooting means, 12 ... sending means, 13 ... reception means, 14 ... video synthesizing means, 15 ... superimposing means, 16 ... network access means, 17 ... display means, 18
... voice input means, 19 ... voice addition and output means, 21
... Imaging means, 22 ... Transmission means, 23 ... Reception means, 24 ...
Video synthesizing means, 25 ... Superimposing means, 26 ...
Network access means, 27 ... Display means, 28 ... Voice input means, 29 ... Voice addition and output means, 31 ... Imaging means,
32 ... Sending means, 33 ... Receiving means, 34 ... Image combining means, 35 ... Superimposing means, 36 ... Network access means, 37 ... Displaying means, 38 ... Voice inputting means, 39 ... Voice adding and outputting means, 101 ... Image A, 102 ... Image B, 103 ... Composite image, 104 ... Superimpose image, 200 ... Image A character string, 201 ... Image B character string.

Claims (2)

[Claims] 1. A photographing means for photographing a video, a voice input means for inputting a voice, a transmitting means for outputting a signal to a communication network, a receiving means for receiving a signal from the communication network, and adding a voice to the video. An audio adding and outputting means for outputting as a single image, an image synthesizing means for synthesizing a plurality of received images into a single image,
There are a plurality of communication devices including superimposing means for superimposing characters and the like on the combined video, display means for displaying the video, and network access means for creating and transmitting / receiving control signals. Communication between these communication devices is carried out mutually, and the network access means creates information about the communication device and sends it to the transmission means as a control signal, and the transmission means includes the photographing means and The control signal is added to the video signal transmitted from the audio input unit and transmitted to the communication network, and the reception unit is a video signal and control transmitted from a plurality of other transmission devices via the communication network. A signal is received, the video signal and the control signal are separated, and the control signal is transmitted to a network access unit, and the network access unit sets the content of the control signal to the superimposing unit. Video display system, characterized by being configured to send the pause means. 2. The video display system according to claim 1, wherein a part of the communication device comprises a receiving means, a voice adding and outputting means, a video synthesizing means, a superimposing means, a displaying means, and a network. A video display method characterized by having only access means.