JPH09247656A - Image communication terminal equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the image communication terminal equipment in which plural cameras are operated from a remote location. SOLUTION: The image communication terminal equipment is provided with an image communication terminal equipment main body A1 in which coded video data and coded audio data are multiplexed and the multiplexed data are sent and received coded video data and coded audio data are separated and with a personal computer 18 operating plural sub cameras 15-17 based on an instruction from the image communication terminal equipment main body A1. Thus the image communication terminal equipment is obtained in which plural cameras are controlled from a remote location.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image communication terminal device for monitoring a remote place via a communication line.

[0002]

2. Description of the Related Art In recent years, with the international standardization of image encoding systems and the realization of easy use of high-speed digital transmission lines at low running costs, image communication terminal devices constituting video conference systems have begun to be issued by various companies. There is.

Conventionally, as an image communication terminal device, a device as shown in FIG. 8 has been known. In FIG. 8, a camera 1a is for taking a self-picture, a monitor 2 is for displaying a picture or self-picture from a partner terminal device, a microphone 3 is for inputting sound, and a speaker 4 is for sound. The key input unit 10 is for inputting a telephone number and selecting a function, and the image communication terminal main unit B connected to the partner terminal device by the ISDN line N.
Is composed of a video codec section 5, an audio codec section 6, a multiplexing section 7, a separating section 8, a line interface section 9, a system control section 11 and a camera control section 12a. The image communication terminal body B, the camera 1a, the monitor 2, the microphone 3, the speaker 4, and the key input unit 10 constitute an image communication terminal device.

In the image communication terminal main unit B, the video codec section 5 compresses / encodes the video data taken in from the camera 1a, decompresses / decodes the compressed / encoded video data, and displays it on the monitor 2 for audio. The codec section 6 compresses / encodes the audio data taken in from the microphone 3, expands / decodes the compressed / encoded audio data, and outputs it from the speaker 4, and the multiplexing section 7 sets the video data on the ISDN line N. , For transmitting audio data at the same time, the separation unit 8 separates the multiplexed video data and audio data received from the ISDN line N,
The line interface unit 9 is for connecting the image communication terminal device to the ISDN line N, and the system control unit 11 controls the entire image communication terminal body B based on the input data from the key input unit 10, and the camera control unit. 12a operates the camera 1a.

The multiplexing unit 7 is an H.264 standard. 221 Frame assembly section 7
a, a BAS transmission control unit 7b and a data multiplexing unit 7c. 221 frame synchronization detector 8
a, a BAS detector 8b and a data separator 8c. In the multiplexing unit 7, H.264. 221 Frame assembly section 7
a is H.T. of ITU-T. 221 framing, B
The AS transmission control unit 7b sets the capability and operation mode of its own terminal to BA.
After converting to S code, the data multiplexing unit 7c multiplexes audio data and video data. In the separating unit 8, the H. 221
The frame synchronization detection unit 8a uses the ITU-T H.264 standard. 221 detects the framing synchronization, the BAS detector 8b detects the capability and operation mode of the partner terminal device, and the data separator 8c separates the multiplexed video data and audio data.

The operation of the image communication terminal device configured as described above will be described by way of an example when transmitting. First, when the telephone number is input from the key input unit 10 and the transmission key is pressed, the system control unit 11 instructs the line interface unit 9 to perform the transmission operation to the ISDN line N. After the call is made, when the other terminal device completes the connection operation in response to the call, H.264. The H.221 frame synchronization detection unit 8a transmits the H.264 received data. 221 frame synchronization is detected, and when the synchronization is detected, the BAS detection unit 8b detects the capability of the partner terminal device. Also, the BAS transmission controller 7b
Then, the system controller 11 converts the preset capability of the terminal device into a BAS code. This BAS code is H.264. 221 frame assembling unit 7a. 221 frames are formed and sent from the line interface unit 9 to the ISDN line N. Based on the capabilities of the partner terminal device and the capabilities of the own terminal device detected by the BAS detection unit 8b, the system control unit 11 determines the operation mode of the own terminal device.
The S transmission control unit 7b converts the B.S. 221
The frame assembling unit 7a is used for H.264. 221 frames are formed and sent to the partner terminal device. Further, the operation mode of the partner terminal device is recognized by the BAS detection unit 8b and is notified to the system control unit 11.

The system control section 11 sets the video codec section 5 and the audio codec section 6 in accordance with each mode of transmission and reception. After setting the codecs 5 and 6,
The video from the camera 1a is compressed / encoded by the video codec section 5, the audio from the microphone 3 is compressed / encoded by the audio codec section 6, and multiplexed by the data multiplexing section 7c.
H. 221 frame assembling unit 7a. 221 frames are formed and sent from the line interface unit 9 to the ISDN line N, and the video data and audio data from the partner terminal device received by the line interface unit 9 are separated into video data and audio data by the data separating unit 8c. The video data is expanded / decoded by the video codec unit 5, displayed on the monitor 2, and the audio data is expanded / decoded by the audio codec unit 6 and output from the speaker 4.

After the communication is established, when a camera operation request is issued from the partner terminal device, the camera control section 12a operates the camera 1a connected to the main body based on the request to control the camera remotely. Has been realized. In this way, the system control unit 11 controls the overall operation of the image communication terminal device.

[0009]

However, in the conventional image communication terminal device, the camera control unit 12a controls only one camera as shown in FIG. 8, and a plurality of cameras can be operated from a remote place. It had a problem that it could not be done.

In this image communication terminal device, it is required that a plurality of cameras can be operated from a remote place.

An object of the present invention is to provide an image communication terminal device capable of operating a plurality of cameras from a remote place.

[0012]

In order to solve this problem, an image communication terminal device of the present invention multiplexes encoded video data and encoded audio data and transmits the encoded video data and the received encoded video data and encoding. It is configured to have an image communication terminal main body that separates audio data, and a personal computer that operates a plurality of sub cameras based on an instruction from the image communication terminal main body.

As a result, an image communication terminal device capable of operating a plurality of cameras from a remote place can be obtained.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is an image in which coded video data and coded audio data are multiplexed and transmitted, and the received coded video data and coded audio data are separated. It has a communication terminal main body and a personal computer that operates a plurality of sub cameras based on an instruction from the image communication terminal main body, and has an effect that the plurality of sub cameras are operated by the personal computer.

According to a second aspect of the present invention, in the first aspect of the present invention, the image communication terminal main body analyzes camera operation request data sent from the partner terminal device and gives an instruction to operate the sub camera. A personal computer is provided with a camera operation control unit and a PC communication control unit that transmits and receives information to and from a personal computer in response to an operation instruction from the camera operation control unit. The personal computer is an operation instruction from the camera operation control unit. It has the effect of operating the sub camera based on.

According to a third aspect of the present invention, an image communication terminal main body that multiplexes and transmits coded video data and coded audio data and separates the received coded video data and coded audio data, a temperature and the like. Sensor that detects the physical quantity of the sensor and outputs it as physical data, multiple sub-cameras that output the physical data from the sensor as physical data in a specified format, and operate the sub-camera based on instructions from the image communication terminal body. It has a personal computer that inputs physical data in a prescribed format and outputs it to the image communication terminal body.
The personal computer has an action of operating the sub camera based on an operation instruction from the image communication terminal body and outputting sensor output physical data to the image communication terminal body.

According to a fourth aspect of the present invention, in the invention according to the third aspect, the image communication terminal main body has a PC communication control unit for transmitting and receiving information to and from a personal computer, and a camera sent from a partner terminal device. The operation request data is analyzed, the operation instruction of the sub-camera is given through the PC communication control section and the personal computer, and the physical data in the specified format from the personal computer is inputted through the PC communication control section and the partner terminal is provided as necessary. The personal computer operates the sub camera based on the operation instruction from the camera operation / data control unit, and the camera operation / data control unit transmits the camera operation / data control unit to the device. Physical data in a specified format from the personal computer can be installed in the partner terminal device as necessary. It has the effect of transmitting to.

FIG. 1 shows an embodiment of the present invention.
~ It demonstrates using FIG. (Embodiment 1) FIG. 1 is a block diagram showing an image communication terminal device according to a first embodiment of the present invention. In FIG. 1, the monitor 2, the microphone 3, the speaker 4, and the key input unit 10 are the same as those in FIG. IS
The image communication terminal body A1 connected to the partner terminal device via the DN line N includes a video codec section 5, an audio codec section 6, a multiplexing section 7, a separating section 8, a line interface section 9,
The system control unit 11, the main camera control unit 12, the camera operation control unit 13, and the PC communication control unit 14 are included. The main camera 1 is standardly connected to the image communication terminal body A1,
Direct operation is possible from the image communication terminal body A1. The sub cameras 15 to 17 are connected to the video input terminal of the image communication terminal body A1 and can be controlled through a serial communication path. The personal computer 18 is the image communication terminal body A.
Based on the instruction from 1, the sub cameras 15 to 17 are operated.

In the image communication terminal body A1, the video codec section 5, the audio codec section 6, the multiplexing section 7, the separating section 8, the line interface section 9 and the system control section 11 are the same as those in FIG. To do. The main camera control unit 12 operates the main camera 1, the camera operation control unit 13 analyzes the camera operation request sent from the partner terminal device, controls the operation of the camera, and the PC communication control unit 1
4 receives and transmits a sub camera operation instruction from the camera operation control unit 13 to and receives information from the personal computer 18.

The image communication terminal body A1, main camera 1, monitor 2, microphone 3, speaker 4, key input section 1
0, sub cameras 15 to 17, personal computer 1
Reference numeral 8 constitutes an image communication terminal device.

FIG. 2 is a block diagram showing in detail the personal computer 18 of the image communication terminal device according to the first embodiment of the present invention. In FIG. 2, the image communication terminal main body A1 and the sub cameras 15 to 17 are the same as those in FIG. Sub camera communication controller 18a, 1
8b and 18c operate the sub-cameras 15, 16 and 17 through a serial communication path, and the codec communication control unit 18d communicates with the image communication terminal main body A1.
Request / response analysis unit 18 for transmitting / receiving control information
e analyzes the camera control request from the image communication terminal body A1 and analyzes the responses from the sub cameras 15 to 17.

The operation of the image communication terminal device configured as described above will be described below with reference to FIGS. 3 to 5. Figure 3 shows a non-standard capability message (Multiple Byte Exte
5 is a data configuration diagram showing a configuration of option information (using nsion), FIG. 4 is a flowchart showing a process for a camera control request performed by the camera operation control unit 13, and FIG.
FIG. 5A is a data flow chart showing the flow of data when the camera is switched, and FIG. 5B is a data flow chart showing the flow of data when the camera is operated.

Prior to the remote operation from the partner terminal device, first, after the connection operation with the partner terminal device as described in the section of the prior art is completed, the non-structure of the data structure as shown in (Table 1) is further added. The standard capability message is used to notify the partner terminal device that a plurality of cameras can be remotely controlled by operating the key input unit 10.

[0024]

[Table 1]

The optional information in the non-standard capability message is, as shown in FIG. 3, camera connection information a of bits 0 to 3 and remote camera operation presence / absence information of bit 7 (valid for "1",
It is composed of information "b" which is invalid with "0". The system control unit 11 detects the video input state of the video codec unit 5 and the camera connection information a is set by the camera operation control unit 13 together with the remote camera operation presence / absence information b based on the detected state. It is transmitted to the partner terminal device via the line interface unit 9. In the camera connection information a of FIG. 3, for example, bit 0 indicates the main camera, bits 1 to 3 indicate the sub cameras 15 to 17, and each bit indicates "0" indicating no connection and "1" indicating connection. The remote terminal device notified that the camera can be remotely operated switches the camera in a predetermined format (for example, a non-standard command message defined in H.221 of ITU-T) according to the user's camera operation instruction. , Requesting camera control such as pan, tilt, and zoom.
A camera control request from the partner terminal device is transmitted through the line interface unit 9 and the BAS detection unit 8b to the camera operation control unit 13
Conveyed to.

Next, the processing for the camera control request performed by the camera operation control unit 13 will be described with reference to FIG. First, it is determined whether or not the camera control request from the partner terminal device is a camera switching instruction (S1). When it is determined that the instruction is to switch the camera, the system controller 11 switches the input video to the video codec unit 5. Therefore, the output of the camera instructed to switch is input to the video codec unit 5. To the system control unit 11 (S
2). Further, it is determined whether the designated camera is the main camera 1 (S3). When it is determined that the camera to be instructed to switch is not the main camera 1 but any of the sub cameras 15 to 17, the personal computer 18 controls the operation of the camera, and therefore the camera switch command is performed according to a predetermined format. Is transmitted to the personal computer 18 (S4).
The main camera 1 is always connected to the video codec section 5. When it is determined in step 1 that the control request from the partner terminal device is not the camera switching instruction (for example, when it is determined that the tilt-up is the camera operation instruction), whether the currently selected camera is the main camera 1 or not. It is determined (S5). When it is determined that the selected camera is the main camera 1, the camera control request from the partner terminal device is interpreted and the main camera control unit 1
2 is instructed to operate the main camera 1 as instructed (for example, tilt up) (S
6). When it is determined in step 5 that the currently selected camera is one of the sub cameras 15 to 17, the camera operation instruction command is transmitted to the personal computer 18 according to a predetermined format (S7).

The processing in the personal computer 18 that receives the camera switching instruction command and the camera operation instruction command from the camera operation control unit 13 via the serial communication path via the PC communication control unit 14 will be described below with reference to FIG. First, the codec communication control unit 18d
When the above command is received from the serial port according to a predetermined format, a command message is sent to the request / response analysis unit 18e. The request / response analysis unit 18e analyzes the command, and if the command is a camera switching instruction, the request / response analysis unit 18e.
e Set the selected camera number inside to the number designated by the command.

In the case of a camera operation instruction, the sub camera communication control units 18a, 18b, 18c transmit the camera operation instruction command to the sub camera corresponding to the selected camera number inside the request / response analysis unit 18e. Command either. The correspondence between the selected camera number and the sub camera number is the image communication terminal body A1 and the personal computer 18
Follow the contents of the agreement between and. The sub-camera communication control unit 18a which receives a command from the request / response analysis unit 18e,
Either 18b or 18c transmits a control command based on the camera operation instruction command to the respective sub-cameras 15, 16 and 17 to be controlled in a format previously agreed with the sub-cameras 15 to 17.

Sub camera 1 which has received the above control command
In any one of 5, 16 and 17, the operation according to the command is performed. When the operation according to the control command is successful, the personal computer 1 sends a success response to the command.
Return to 8 and return a failure response if the operation according to the control command cannot be performed. In the personal computer 18 that receives the response from any of the sub cameras 15 to 17, the request / response analysis unit 18e analyzes the response from the sub camera, and the response to the camera operation instruction is transmitted via the codec communication control unit 18d to the image communication. It is returned to the terminal body A1. In the image communication terminal body A1, the response to the camera operation instruction is P
The camera operation control unit 1 receives the data via the C communication control unit 14.
The content of the response is analyzed at 3, and if necessary, it is notified to the partner terminal device via the data multiplexing unit 7c, the BAS transmission control unit 7b, and the line interface unit 9.

In FIG. 5, messages are exchanged between the respective devices (between the other terminal device AY and the own terminal device AX) when the camera is switched (FIG. 5A) and when the camera is operated (FIG. 5B). Is shown as an example. At the time of switching the camera shown in FIG. 5A, when the partner terminal device AY issues a camera input switching instruction of the sub camera 15 to the own terminal device AX, the own terminal device AX sends the camera to the personal computer 18. The switching instruction is given, and the personal computer 18 sets the selected camera number inside the request / response analysis section 18e to the number designated by the instruction command, and
A response indicating that the command has been received is returned to the terminal device AX.
No particular instruction is given to the sub camera 15. At the time of operating the camera shown in FIG. 5B, first, when the partner terminal device AY issues a tilt-up camera operation instruction to the own terminal device AX, the own terminal device AX instructs the personal computer 18 to operate the camera. Then, the personal computer 18 transmits a tilt-up control command to the sub camera corresponding to the selected camera number, the sub camera returns a success response or a failure response to the personal computer 18, and the personal computer 18 sends the response to itself. Return to device AX.

In the above description, communication between the own terminal device AX and the other terminal device AY, between the image communication terminal body A1 and the personal computer 18, and between the personal computer 18 and the sub cameras 15-17. The format is not particularly specified, but it can be arbitrarily determined according to the configuration of the device, and it may be a common format or different.

As described above, according to this embodiment, the personal computer 18 switches or operates a plurality of sub-cameras based on a switching instruction from the camera operation control unit 13 or an operation instruction. It is possible to selectively operate a plurality of cameras from the ground.

(Second Embodiment) FIG. 6 is a block diagram showing an image communication terminal apparatus according to a second embodiment of the present invention. 6, the main camera 1, the monitor 2, the microphone 3, the speaker 4, and the key input unit 10 are the same as those in FIG. The image communication terminal body A2 connected to the partner terminal device via the ISDN line N includes a video codec unit 5, an audio codec unit 6, a multiplexing unit 7, a separating unit 8, a line interface unit 9, a system control unit 11, a main camera control unit. 12, camera operation / data control unit 13
A and PC communication control unit 14A. Sub camera 1
5A to 17A are connected to a video input terminal of the image communication terminal body A2 and can be controlled through a serial communication path. The personal computer 18A is connected to the image communication terminal body A2 and the sub cameras 15A to 17A through a serial communication path, operates the sub cameras 15A to 17A based on an instruction from the image communication terminal body A2, and operates the sub cameras 15A to 17A. The below-mentioned sensors 19-2 sent from
1 output data can be received. The sensors 19 to 21 are connected to the sub cameras 15A to 17A via a serial communication path, detect a physical quantity such as temperature, and output it as physical data.

In the image communication terminal body A2, the video codec section 5, the audio codec section 6, the multiplexing section 7, the separating section 8, the line interface section 9, the system control section 11, and the main camera control section 12 are the same as those in FIG. Since it is a thing, the description is omitted. The camera operation / data control unit 13A analyzes the camera operation request sent from the partner terminal device, controls the operation of the camera, and processes the output data from the sensors 19 to 21 connected to the sub cameras 15A to 17A. To do. The PC communication control unit 14A transmits / receives information to / from the personal computer 18A in response to a sub camera operation instruction from the camera operation / data control unit 13A.

The image communication terminal body A2, main camera 1, monitor 2, microphone 3, speaker 4, key input section 1
0, the sub cameras 15A to 17A, the personal computer 18A, and the sensors 19 to 21 configure an image communication terminal device.

FIG. 7 is a block diagram showing in detail the personal computer 18A of the image communication terminal device according to the second embodiment of the present invention. In FIG. 2, the image communication terminal main body A2 and the sub cameras 15A to 17A are the same as those in FIG. Sub camera communication controller 18
Aa, 18Ab and 18Ac are sub cameras 15A, 1
6A and 17A are operated through the serial communication path, the terminal communication control unit 18Ad sends and receives the control information of the sub cameras 15A to 17A to and from the image communication terminal body A2, and the request / response / data analysis unit 18Ae performs the image communication. Terminal body A
2 analyzes the camera control request from the sub camera 15 and
Analyze responses from A-17A.

The operation of the image communication terminal device configured as described above will be described below. The operation at the time of operating the remote camera is the same as that of the first embodiment, so the description thereof will be omitted, and the operation at the time of remote data collection will be described below.

The physical data output from the sensor 19 is sent to the sub camera 15A through the serial communication path. Sub camera 15A that receives the physical data from the sensor 19
Then, the data is notified to the personal computer 18A as notification information in a predetermined format. In the personal computer 18A, the sub camera communication control unit 18Aa sends a request / response / data analysis unit 18Ae.
If the above notification information (physical data in a specified format) is passed to the request / response / data analysis unit 18Ae, the content is analyzed and if it is necessary to notify the image communication terminal body A2, the terminal communication control unit 18Ad is notified. , And instructs to transmit to the image communication terminal body A2. Terminal communication control unit 18A
In d, the notification information is transmitted to the image communication terminal body A2 in accordance with a format predetermined with the image communication terminal body A2. In the image communication terminal body A2, when the notification information from the personal computer 18A is received by the PC communication control unit 14A, it is sent to the camera operation / data control unit 13A, and is sent to the camera operation / data control unit 13A in a specific file format. Is stored.

Next, the operation at the time of transmitting data to the partner terminal device will be described. The data request from the partner terminal device is notified to the camera operation / data control unit 13A via the line interface unit 9 and the BAS detection unit 8b. The camera operation / data control unit 13A that has received the notification establishes a communication path for data transmission to the BAS transmission control unit 7b in order to transmit the data stored in the specific file format to the partner terminal device. Tell them to open. Upon receiving the instruction, the BAS transmission control unit 7b receives the ITU-T H.264 standard. Two
In accordance with the procedure 42, processing for opening a data communication path is performed. After the data communication path is opened, the camera operation / data control unit 13A transmits the data stored in the specific file format to the partner terminal device byte by byte via the data multiplexing unit 7c. When the transmission of all data is completed, the camera operation / data control unit 13A instructs the BAS transmission control unit 7b to close the communication path for data transmission. Upon receiving the instruction, the BAS transmission control unit 7b uses IT
H.U. of UT Processing for closing the data communication path is performed according to the procedure 242.

In the above description, the data is collectively transmitted only when a data transmission request is made from the partner terminal device. However, a communication path for data transmission is always opened at the time of completion of connection, It is also possible to transmit the output physical data to the partner terminal device every time the output physical data is received from the sensor connected to the sub camera.

As described above, according to this embodiment, the personal computer 18A switches or operates a plurality of sub-cameras based on a switching instruction from the camera operation / data control unit 13A or an operation instruction. Since the camera operation / data control unit 13A transmits the physical data in the specified format from the personal computer 18A to the partner terminal device as necessary,
It is possible to selectively operate a plurality of cameras from a remote location, and it is possible to obtain necessary physical data from a remote location as needed.

[0042]

As described above, according to the image communication terminal device of the present invention, a plurality of sub cameras can be operated by a personal computer connected to the image communication terminal main body, so that it can be operated from a remote location. The advantageous effect of being able to operate multiple cameras is obtained. Also,
Since the sub-camera can be operated by the personal computer based on the operation instruction from the camera operation control unit, various operation instructions can be output from the camera operation control unit to perform various operations of the sub camera. The advantageous effect that it is possible is obtained. Furthermore, the personal computer can operate the sub-camera based on the operation instruction from the image communication terminal main body and output the sensor output physical data to the image communication terminal main body, so that a plurality of cameras can be operated from a remote location. It is possible to obtain the desired physical data from a remote place, and it is possible to obtain an advantageous effect. Further, the personal computer operates the sub camera based on the operation instruction from the camera operation / data control unit,
Since the data control unit can transmit the physical data in the specified format from the personal computer to the partner terminal device as needed, it is possible to operate a plurality of cameras from a remote place and to obtain the data from a remote place. The advantageous effect that physical data can be acquired as needed is acquired.

[Brief description of drawings]

FIG. 1 is a block diagram showing an image communication terminal device according to a first embodiment of the present invention.

FIG. 2 is a block diagram showing in detail a personal computer of the image communication terminal device according to the first embodiment of the present invention.

FIG. 3 is a data structure diagram showing a structure of option information of a non-standard capability message.

FIG. 4 is a flowchart showing a process for a camera control request made by a camera operation control unit.

FIG. 5 (a) is a data flow diagram showing a data flow when the camera is switched.

FIG. 6 is a block diagram showing an image communication terminal device according to a second embodiment of the present invention.

FIG. 7 is a block diagram showing in detail a personal computer of an image communication terminal device according to a second embodiment of the present invention.

FIG. 8 is a block diagram showing a conventional image communication terminal device.

[Explanation of symbols]

A1, A2 Image communication terminal body 1 Main camera 2 Monitor 3 Microphone 4 Speaker 5 Video codec section 6 Audio codec section 7 Multiplexing section 7a 221 frame assembly section 7b BAS transmission control section 7c data multiplexing section 8 separation section 8a 221 frame synchronization detection unit 8b BAS detection unit 8c data separation unit 9 line interface unit 10 key input unit 11 system control unit 12 main camera control unit 13 camera operation control unit 13A camera operation / data control unit 14, 14A PC communication control unit 15 -17, 15A-17A Sub camera 18, 18A Personal computer 18a, 18b, 18c, 18Aa, 18Ab, 18A
c Sub camera communication control unit 18d Codec communication control unit 18e Request / response analysis unit 18Ad Terminal communication control unit 18Ae Request / response / data analysis unit 19 to 21 Sensor AX Own terminal device AY Opposite terminal device

Claims (4)

[Claims] 1. An image communication terminal body for multiplexing encoded video data and encoded audio data and transmitting the same, and separating the received encoded video data and encoded audio data, and an instruction from the image communication terminal body. An image communication terminal device having a personal computer that operates a plurality of sub cameras based on the image communication terminal device. 2. The image communication terminal body analyzes the camera operation request data sent from a partner terminal device and gives an operation instruction to the sub camera, and a camera operation control section from the camera operation control section. The image communication terminal device according to claim 1, further comprising: a personal computer that receives an operation instruction and a PC communication control unit that transmits and receives information. 3. An image communication terminal main body that multiplexes and transmits encoded video data and encoded audio data and separates the received encoded video data and encoded audio data, and a physical unit that detects a physical quantity such as temperature. A sensor that outputs as data, a plurality of sub-cameras that output the physical data from the sensor as physical data in a specified format, and operate the sub-camera based on an instruction from the image communication terminal body and perform the operation in the specified format An image communication terminal device having a personal computer for inputting physical data and outputting the same to the image communication terminal body. 4. The image communication terminal body, a PC communication control unit for transmitting and receiving information to and from the personal computer, and a camera operation request data sent from a partner terminal device to analyze the PC communication control unit and the PC communication control unit. Camera operation / data for instructing operation of the sub camera via a personal computer, inputting physical data in the specified format from the personal computer via the PC communication control unit, and transmitting to the partner terminal device as necessary The image communication terminal device according to claim 3, further comprising a control unit.