JP2023086246A - Communication system and communication method - Google Patents

Abstract

To provide a system and a method capable of achieving communication that gives a sense of immersion without making a user conscious of an online environment.SOLUTION: A communication system 10 includes: a first screen 21 having a three-dimensional projection surface arranged in a first facility 1; a second screen 31 having a three-dimensional projection surface arranged in a second facility 2; a video processing unit that has first video acquisition means 22 for acquiring video in the first facility and second projection means 33 for projecting the acquired video on the second screen 31 in the second facility 2, and has second video acquisition means 32 for acquiring video in the second facility and first projection means 23 for projecting the acquired video on the first screen 21 in the first facility 1; and audio processing unit that has first sound collection means 24 for collecting audio in the first facility and second sound amplification means 26 for amplifying the collected audio in the second facility, and has second sound collection means 34 for collecting audio in the second facility and first sound amplification means 26 for amplifying the collected audio in the first facility.SELECTED DRAWING: Figure 1

Description

TECHNICAL FIELD The present invention relates to a communication system and a communication method, and more particularly to a communication system capable of communication between first equipment and second equipment and a communication method using this communication system.

2. Description of the Related Art With the recent development of information communication technology, etc., there are increasing opportunities for online conferences and meetings using computer resources. In particular, the demand for online tools that can communicate in an online environment is rapidly increasing from the perspective of responding to requests to refrain from going out unnecessarily and non-urgently, which is sometimes implemented as a measure to prevent the spread of infectious diseases in recent years. are doing.

Patent Literature 1 discloses a technique of providing a plurality of conference terminals connected to each other via a network, and holding a conference in an online environment using the plurality of conference terminals based on an identification code for identifying the conference. An online conference system capable of

Japanese Patent Application Laid-Open No. 2017-111608

By the way, regarding the communication realized by the technology related to this type of online tool, it is natural that the communication that enables the efficient and appropriate transmission and exchange of information by video and sound is required. There is also a demand for communication as if communicating in a real space without being conscious of being in an online environment.

On the other hand, in the technology related to this type of online tool, the existing computer resources used by the user of the online tool are used to achieve online communication. Information will be communicated and exchanged.

In that case, depending on the computer resources used by the user, it may not be possible to realize communication as if the user were communicating in a real space without being aware of the online environment.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and aims to provide a communication system and a communication method that can realize communication that gives a sense of immersion without being aware that the user is in an online environment. This is an issue.

A communication system according to the present invention for achieving the above object is a communication system capable of communication between a first facility and a second facility, and has a three-dimensional projection plane arranged in the first facility. A first screen, a second screen having a three-dimensional projection surface arranged in a second facility, a first image acquisition means for acquiring an image in the first facility, and the first facility acquired by the first image acquisition means It has a second projection means for projecting the image inside the second equipment on the second screen of the second equipment, and the second image acquisition means for acquiring the image in the second equipment and the second image acquisition means acquired by the second image acquisition means A video processing unit having a first projection means for projecting an image onto a first screen of the first equipment, a first sound collection means for collecting sound in the first equipment, and a first sound collected by the first sound collection means It has a second loudspeaker means for amplifying the sound in the facility in the second facility, and the second sound pickup means for picking up the sound in the second facility and the sound in the second facility picked up by the second sound pickup means. and an audio processor having a first loudspeaker means for amplifying voice within the first equipment.

According to this, on the first screen, a natural image in the second facility close to the real space corresponding to the first screen having a three-dimensional projection surface is projected, and the second screen is also projected three-dimensionally. A natural image in the first facility close to the real space corresponding to the second screen having a surface is projected.

Furthermore, the sound in the first equipment picked up by the first sound collecting means of the first equipment is amplified by the second loudspeaking means of the second equipment, and the second sound picked up by the second sound collecting means of the second equipment The sound in the equipment is amplified by the first sound collecting means of the first equipment.

Therefore, it is expected that the user using the first equipment and the user using the second equipment will be able to share an immersive feeling as if they were communicating in a real space without being aware that they are in an online environment. be done.

The first screen and the second screen of this communication system are three-dimensionally formed by a plurality of projection planes, and the plurality of projection planes include a substantially rectangular front when viewed from the front, an upper face bent downward from the upper edge of the front, It has a lower surface that is bent upward from the lower edge of the front surface, and both side surfaces that are bent forward from both side edges of the front surface and are continuous with the upper and lower surfaces.

In the communication system, the first image acquisition means is arranged at the front center position of the first screen, and the second image acquisition means is arranged at the front center position of the second screen.

In the communication system, the angle of view of each of the video in the second facility projected onto the plurality of projection planes of the first screen and the video in the first facility projected onto the plurality of projection planes of the second screen is adjusted. It is.

In this communication system, a first sound collection means and a first loudspeaker means are arranged for each of a plurality of users using the first equipment, and a second sound collection means and a second loudspeaker means are arranged for each of the plurality of users using the second equipment. A loudspeaker means is arranged respectively.

Further, in the communication system, cancellation processing is executed for each of the ringing sound generated by the interference between the first sound collecting means and the first loudspeaking means and the sound generated by the interference between the second sound collecting means and the second loudspeaking means. It is what is done.

A communication method according to the present invention for achieving the above object is a first facility equipped with a first screen having a stereoscopic projection surface and a second facility equipped with a second screen having a stereoscopic projection surface. A communication method using a communication system capable of communicating with, acquiring an image in the first facility and projecting the acquired image in the first facility on the second screen of the second facility, Image processing that acquires the image in the second equipment and projects the acquired image in the second equipment on the first screen of the first equipment, and the first equipment that collects and collects the sound in the first equipment Amplifies the sound in the second equipment in the second equipment, collects the sound in the second equipment, and amplifies the collected sound in the second equipment in the first equipment. .

According to this invention, it is possible to share an immersive feeling as if communicating in a real space without being conscious of being in an online environment.

BRIEF DESCRIPTION OF THE DRAWINGS It is a block diagram explaining the outline of a structure of the communication system which concerns on embodiment of this invention. Similarly, it is a figure explaining the outline of a structure of the 1st equipment of the communication system which concerns on this Embodiment, and a 2nd equipment. Similarly, it is a figure explaining the outline of a structure of the 1st screen deployed in the 1st equipment of the communication system which concerns on this Embodiment. Similarly, FIG. 4 is a diagram for explaining the outline of the configuration of the first screen arranged at the first facility of the communication system according to the present embodiment. Similarly, it is a schematic diagram for explaining the outline of the configuration of the communication system according to the present embodiment. Similarly, it is a block diagram for explaining the outline of the configuration of the first control device of the communication system according to the present embodiment. Similarly, it is a block diagram for explaining the outline of the configuration of the communication program of the communication system according to the present embodiment. Similarly, it is a block diagram explaining the outline of the processing of the communication system according to the present embodiment. Similarly, it is a flowchart explaining the outline of the processing of the communication system according to the present embodiment.

Next, a communication system according to an embodiment of the present invention will be described with reference to FIGS. 1 to 9. FIG.

FIG. 1 is a diagram for explaining the outline of the configuration of a communication system according to the present embodiment, and FIG. 2 is a diagram for explaining the outline of the configuration of a first facility and a second facility that enable communication by the communication system. is.

As shown in FIG. 1, a communication system 10 realizes communication between a first facility 1 and a second facility 2 that are connected via a network N such as the Internet.

In this embodiment, a plurality of users U1a and U1b using the first facility 1 and a plurality of users U2a and U2b using the second facility 2 communicate using the communication system 10. FIG.

In this embodiment, the first facility 1 and the second facility 2 are racks 100 in which a part of the floor of various facilities such as office buildings and commercial facilities is formed of a pipe material 100a as shown in FIG. The first facility 1 and the second facility 2 are arranged in different facilities, or even in the same facility, are arranged in arbitrary places separated from each other, such as on different floors. .

A communication system 10 according to the present embodiment includes a first screen 21 arranged in a first facility, a first camera 22 as a first video acquisition means, a first projector 23 as a first projection means, a first sound collection A first microphone 24, a first amplifier 25, a first loudspeaker 26 and a first control device 27 are provided.

Further, the communication system 10 includes a second screen 31 arranged in the second facility, a second camera 32 as a second video acquisition means, a second projector 33 as a second projection means, a second It has two microphones 34 , a second amplifier 35 , a second loudspeaker 36 as a second loudspeaker means, and a second control device 37 .

In this embodiment, the first screen 21 of the first equipment 1, the second screen 31 of the second equipment 2, the first camera 22 of the first equipment 1, the second camera 32 of the second equipment 2, the first The first projector 23 of the equipment 1 and the second projector 33 of the second equipment 2, the first microphone 24 of the first equipment 1 and the second microphone 34 of the second equipment 2, the first amplifier 25 of the first equipment 1 and the second The second amplifier 35 of the facility 2, the first speaker 26 of the first facility 1 and the second speaker 36 of the second facility 2, the first controller 27 of the first facility 1 and the second controller 37 of the second facility 2 , and the first facility 1 and the second facility 2 have the same configuration. Therefore, the configuration of the first facility 1 will be mainly described.

3 and 4 are diagrams for explaining the outline of the configuration of the first screen 21. FIG. In this embodiment, the first screen 21 is three-dimensionally formed by a plurality of projection planes so as to have a recessed shape that is recessed in the depth direction indicated by the arrow A in FIG.

In the present embodiment, the first screen 21 has a substantially rectangular front surface 21A in a front view viewed from the depth direction A, an upper surface 21B in which the front edge 21Ba side is bent downward from an upper edge 21Aa of the front surface 21A, and a lower surface of the front edge 21A. A lower surface 21C where the front edge 21Ca side is bent upward from the edge 21Ab, both side edges 21Ac of the front surface 21A, and the front edges 21Da and 21Da side are bent forward and are continuous with the upper surface 21B and the lower surface 21C. It has five projection planes.

In this embodiment, the first camera 22 shown in FIGS. 1 and 2 is a device that acquires an image in the first facility 1 as the first image, and for example, the background of the space of the first facility 1, The facial expressions and actions of the users U1a and U1b who use the first equipment 1 are acquired as the first video.

This first camera 22 is arranged on the first screen 21. In this embodiment, as shown in FIG. Although it is arranged at the central position, if it is arranged on the first screen 21, it is not limited to the central position of the front face 21A, and may be arranged at any part of the first screen 21. you can

In this embodiment, the first projector 23 shown in FIGS. 1 and 2 projects the image inside the second facility 2 acquired as the second image by the second camera 32 of the second facility 2 onto the first screen 21. A device that projects, for example, the background of the space of the second facility 2 and the facial expressions and actions of the users U2a and U2b who use the second facility 2 .

In this embodiment, the first microphone 24 is a device that picks up the sound in the first facility 1 as the first sound. The voices of the users U1a and U1b are acquired as first voices.

In this embodiment, the first amplifier 25 is a device that amplifies the sound picked up by the second microphone 34 of the second equipment 2 as the second sound. It is a device that amplifies the second sound that has been generated within the first facility 1 .

In the present embodiment, the first speaker 26 amplifies, for example, the environmental sounds within the second facility 2 and the voices of the users U2a and U2b who use the second facility 2 as second sounds.

FIG. 5 schematically shows the arrangement of the first camera 22, the first projector 23, the first microphone 24, and the first speaker 26 when the portion of the first facility 1 where the first screen 21 is arranged is viewed from above. FIG. 4 is a diagram showing;

As shown in the figure, a first camera 22 is located behind the depth direction A and facing the center of the front face 21A of the first screen 21, and above the rack 100 shown in FIG. A projector 23 is arranged.

On the other hand, the first microphone 24 is arranged behind the first screen 21 in the depth direction A above the lower surface 21C of the first screen 21 and on the front edge 21Ca side of the lower surface 21C.

Further, a first speaker 26 is arranged on the lower surface 21C of the first screen 21 at a position close to the front surface 21A of the first screen 21 in front of the first screen 21 in the depth direction A.

In this embodiment, the first microphone 24 and the first speaker 26 are arranged for each of the users U1a and U1b who use the first facility 1, respectively.

In this embodiment, the first control device 27 shown in FIG. 1 is a device that controls the first camera 22, the first projector 23, the first microphone 24, the first amplifier 25, and the first speaker 26. For example, implemented by a computer;

FIG. 6 is a block diagram for explaining the outline of the configuration of the first control device 27. As shown in FIG. As shown, the first controller 27 has a processor 27a, a memory 27b, a storage 27c, a transmitter/receiver 27d, and an input/output unit 27e as main components, which are electrically connected to each other via a bus 27f.

The processor 27a is an arithmetic device that controls the operation of the first control device 27, controls transmission and reception of data between elements, and performs processes necessary for executing application programs.

The processor 27a is, for example, a CPU (Central Processing Unit) in this embodiment, and executes an application program stored in a storage 27c described later and developed in a memory 27b to perform each process.

The memory 27b is implemented as a main memory configured with a volatile memory such as a DRAM (Dynamic Random Access Memory).

The memory 27b is used as a work area for the processor 27a, and stores a BIOS (Basic Input/Output System) executed when the first control device 27 is activated, various setting information, and the like.

The storage 27c stores application programs, data used for various processes, and the like. In this embodiment, a communication program, which will be described later, is stored.

The transmitter/receiver 27d connects the first control device 27 to the network N. FIG. The transmitting/receiving unit 27d may include a short-range communication interface such as Bluetooth (registered trademark) or BLE (Bluetooth Low Energy).

Information input devices such as a keyboard and a mouse and output devices such as a display are connected to the input/output unit 27e as required. In this embodiment, a first camera 22, a first projector 23, a first microphone 24, a first amplifier 25 and a first speaker 26 are connected.

The bus 27f transmits, for example, address signals, data signals, and various control signals among the connected processor 27a, memory 27b, storage 27c, transmission/reception unit 27d, and input/output unit 27e.

FIG. 7 is a block diagram outlining the configuration of the communication program stored in the storage 27c of the first control device 27. As shown in FIG. As illustrated, the communication program 40 is a program that causes the first control device 27 to function as a video control unit 41 and an audio control unit 42 in this embodiment.

In this embodiment, the video control unit 41 executes the first control S1 and the second control S2 when the first camera 22 and the first projector 23 perform video processing.

In the present embodiment, the first control S1 transmits the first image acquired by the first camera 22 to the second control device 37, acquires the second image acquired by the second camera 32, and 2 images are projected onto the first screen 21 by the first projector 23 .

On the other hand, in the present embodiment, the second control S2 corrects the distortion of the first image that occurs when the second projector 33 of the second equipment 2 projects the first image onto the second screen 31, and Perform angle adjustment.

In the present embodiment, the first image projected on the upper surface 31B, the lower surface 31C, and both side surfaces 31D, 31D of the second screen 31 is distorted. adjust the angle.

The adjustment of the angle of view is performed, for example, by extracting a part of the first image and performing processing such as enlarging or reducing the extracted part according to the projection plane.

In this embodiment, the audio control unit 42 executes the first control S1 and the second control S2 when the first microphone 24, the first amplifier 25 and the first speaker 26 perform audio processing.

In the present embodiment, the first control S3 transmits the first sound picked up by the first microphone 24 to the second control device 37, acquires the second sound picked up by the second microphone 34, and acquires the second sound. A control is executed such that the second sound that has been generated is amplified by the first speaker 26 .

On the other hand, in the present embodiment, the second control S4 cancels the howling, which is a ringing sound generated by the interference between the first microphone 24 and the first speaker 26, to eliminate the howling or suppress the occurrence of the howling. do.

Howling cancellation is, for example, removing howling included in the second sound amplified from the first speaker 26 picked up by the first microphone 24, or removing the second sound amplified from the first speaker 26 by the first microphone. 24 by preventing it from being picked up.

As a result, interference between the first microphone 24 and the first speaker 26 caused by the pickup of the first sound by the first microphone 24 and the amplification of the second sound by the first speaker 26 is suppressed. , users U1a and U1b who use the first facility 1 and users U2a and U2b who use the second facility 2 can have a smooth conversation.

Furthermore, in the present embodiment, since the first microphone 24 and the first speaker 26 are arranged for each of the users U1a and U1b who use the first facility 1, the voices of the users U1a and U1b are used as the first voices. The voices of the users U2a and U2b who are picked up and who use the second equipment 2 are amplified as second voices to the users U1a and U1b, respectively.

Therefore, for example, as shown in FIG. 8, a conversation between a user U1a of the first facility 1 and a user U2a of the second facility 2 who faces the user U1a through the second screen 31 on which the user U1a is projected. , the conversation between the user U1b of the first facility 1 and the user U2b of the second facility 2, who faces the user U1b through the second screen 31 on which the user U1b is projected, does not conflict with each other.

As a result, the conversation between the user U1a and the user U2a becomes offensive to the user U1b and the user U2b, and the conversation between the user U1b and the user U2b is disturbed. It is possible to prevent the conversation from disturbing the user U1a and the user U2a and hindering the conversation between the user U1a and the user U2a.

On the other hand, the conversation between the user U1a of the first facility 1 and the user U2b of the second facility 2 facing the user U1a via the second screen 31 on which the user U1a is projected, and the first facility 1 The conversation between the user U1b of the second facility 2 and the user U2a of the second facility 2 opposite to the user U1b through the second screen 31 on which the user U1b is projected does not conflict with each other.

As a result, the conversation between the user U1a and the user U2b becomes offensive to the user U1b and the user U2a, and the conversation between the user U1b and the user U2a is disturbed. It is possible to prevent the conversation from disturbing the user U1a and the user U2b and hindering the conversation between the user U1a and the user U2b.

Therefore, in voice communication between the first facility 1 and the second facility 2, it is possible to create a communication environment as if the users U1a, U1b and the users U2a, U2b were having a conversation in real space.

The first camera 22, the first projector 23, and the video control unit 41 in the communication program 40 of the first control device 27 constitute a video processing unit in this embodiment. The first speaker 26 and the audio control section 42 in the communication program 40 of the first control device 27 constitute an audio processing section in the present embodiment.

Next, an outline of processing of the communication system 10 according to the present embodiment will be described.

FIG. 9 is a flowchart for explaining an outline of processing of the communication system according to this embodiment. As illustrated, first, in step S10, the first camera 22 acquires a first image in the first facility 1. As shown in FIG.

In the present embodiment, since the first camera 22 is arranged at the center position of the front surface 21A of the first screen 21, the images of the user U1a and the user U1b whose eyes are facing the front surface 21A of the first screen 21 are captured in the first direction. Acquire as one video.

Subsequently, in step S11, the first control device 27 adjusts the angle of view of the obtained first image, and in step S12, the first control device 27 transmits the first image to the second control device 37.

Furthermore, in step S<b>13 , the second projector 33 projects the first image onto the second screen 31 of the second equipment 2 .

In the present embodiment, since the image of the user U1a and the user U1b whose line of sight is directed toward the front surface 21A of the first screen 21 is projected as the first image, the line of sight of the user U1a and the user U1b in the first image and the second image are projected. The lines of sight of the user U2a and the user U2b looking at the front surface 31A of the screen 31 match.

Subsequently, in step S14, the second camera 32 acquires a second image at the second facility 2. FIG.

In the present embodiment, since the second camera 32 is arranged at the center position of the front surface 31A of the second screen 31, the images of the user U2a and the user U2b whose eyes are facing the front surface 31A of the second screen 31 are captured in the second direction. 2 Acquired as video.

Subsequently, in step S15, the second control device 37 adjusts the angle of view of the acquired second image, and in step S16, the second control device 37 transmits the second image to the first control device 27. FIG.

Furthermore, in step S<b>17 , the first projector 23 projects the second image onto the first screen 21 of the first equipment 1 .

In the present embodiment, since the image of the user U2a and the user U2b whose line of sight is directed toward the front surface 31A of the second screen 31 is projected as the second image, the line of sight of the user U2a and the user U2b in the second image and the first line of sight are projected. The eyes of the user U1a and the user U1b looking at the front 21A of the screen 21 match.

On the other hand, the first microphone 24 picks up the first sound in the first equipment 1 in step S20, and the first control device 27 transmits the first sound to the second control device 37 in step S21.

Further, in step S22, the second speaker 36 amplifies the first sound in the second equipment 2, and in step S23 cancels the howling caused by the interference between the second microphone 34 and the second speaker 36. .

Subsequently, in step S24, the second microphone 34 picks up the second sound in the second equipment 2, and the second control device 37 transmits the second sound to the first control device 27 in step S25.

Further, in step S26, the first speaker 26 amplifies the second sound in the first equipment 1, and in step S27, howling generated by interference between the first microphone 24 and the first speaker 26 is canceled. .

In this way, the first screen 21 is projected with a natural second image with a depth corresponding to the first screen 21 formed in a three-dimensional concave shape by a plurality of projection surfaces. A deep and natural first image corresponding to the second screen 31 formed in a three-dimensional concave shape by a plurality of projection planes is projected.

Furthermore, the first sound picked up by the first microphone 24 of the first equipment 1 is amplified by the second speaker 36 of the second equipment 2, and the second sound picked up by the second microphone 34 of the second equipment 2 is amplified. The sound is amplified by the first speaker 26 of the first equipment 1 .

Therefore, the users U1a and U1b using the first equipment 1 and the users U2a and U2b using the second equipment 2 are unaware that they are in an online environment, as if they were communicating in real space. It is expected that you can share the feeling of immersion.

In particular, in this embodiment, the first screen 21 and the second screen 31 have five surfaces: a front surface 21A (31A), an upper surface 21B (31B), a lower surface 21C (31C), both side surfaces 21D (31D), and 21D (31D). Since the projection plane is provided, a more three-dimensional environment that is closer to the real space is realized by projecting the first image (second image).

Furthermore, in the present embodiment, since the line of sight of the users U1a and U1b of the first facility 1 and the line of sight of the users U2a and U2b of the second facility 2 match through the first screen 21 and the second screen 31, It is assumed that the quality of communication between users will improve.

Such a communication system 10 can be used, for example, for dinners with distant friends and family members, meetings with family members living in hospitals, nursing homes, etc., so-called telework meetings, interviews, various interviews, schooling, etc. It can be used for various purposes such as lessons.

The present invention is not limited to the above-described embodiments, and various modifications are possible without departing from the scope of the invention.

In the above embodiment, the case where the first equipment 1 and the second equipment 2 are configured by the racks 100 formed of the pipe material 100a has been described. good too.

Further, in the first facility 1 and the second facility 2, a part of the floor of various facilities is not partitioned as a rack 100 or a small room (booth), for example, the first screen 21, the second screen 31, etc. are the floors of various facilities. may be configured by being deployed in any area of

In the above embodiment, the case where the howling is canceled by the second control S2 of the voice control unit 42 has been described, but howling is canceled using a hardware configuration such as a digital signal processor. There may be.

In the above embodiment, the first video includes the background of the first facility 1, and the second video includes the background of the second facility 2. However, it is configured to be replaced with a so-called virtual background. You may

In the above embodiment, the first screen 21 and the second screen 31 are provided in the first equipment 1 and the second equipment 2, respectively. A sub-screen may be provided in each of the first facility 1 and the second facility 2 .

By projecting the same image (for example, an image of a landscape seen from a car window) on this sub-screen, it is expected that the user's sense of immersion will be further improved.

By the way, the first camera 22 and the second camera 32 of the communication system 10 are equipped with an image recognition technology such as a motion sensor. can be configured to

Furthermore, the communication system 10 may be equipped with a simultaneous interpretation function, an automatic minutes creation function, and the like.

1 first equipment 2 second equipment 10 communication system 21 first screen 22 first camera (first video acquisition means)
23 first projector (first projection means)
24 first microphone (first sound collecting means)
26 first speaker (first loudspeaker means)
27 1st control device 31 2nd screen 32 2nd camera (second image acquisition means)
33 second projector (second projection means)
34 Second microphone (second sound collecting means)
36 Second speaker (second loudspeaker means)
37 Second control device 40 Communication program 41 Video control unit 42 Audio control unit

Claims (8)

A communication system capable of communication between a first facility and a second facility,
a first screen having a three-dimensional projection surface provided in the first facility;
a second screen having a three-dimensional projection surface provided in the second facility;
A first image acquiring means for acquiring an image within the first facility and a second projecting means for projecting the image within the first facility acquired by the first image acquiring means onto the second screen of the second facility. and projecting the image in the second equipment acquired by the second image acquisition means for acquiring the image in the second equipment and the image in the second equipment acquired by the second image acquisition means on the first screen of the first equipment a video processing unit having a first projection means;
It has a first sound collection means for collecting sound in the first equipment and a second sound amplification means for amplifying the sound in the first equipment picked up by the first sound collection means in the second equipment. In addition, second sound collecting means for collecting sound in the second equipment and first sound amplification means for amplifying the sound in the second equipment collected by the second sound collecting means in the first equipment an audio processing unit having
communication system. The first screen and the second screen are three-dimensionally formed by a plurality of projection planes,
A communication system according to claim 1. the plurality of projection planes of the first screen and the second screen,
A front surface that is approximately rectangular in front view, an upper surface that is bent downward from the upper edge of the front surface, a lower surface that is bent upward from the lower edge of the front surface, both side edges of the front surface that are bent forward to form the upper surface and the upper surface. With both side surfaces that are continuous with the lower surface,
A communication system according to claim 2. The first image acquisition means is arranged at the center position of the front of the first screen, and the second image acquisition means is arranged at the center position of the front of the second screen,
A communication system according to claim 3. The angle of view of each of the images in the second facility projected onto the plurality of projection planes of the first screen and the image in the first facility projected onto the plurality of projection planes of the second screen is adjusted. to be
The communication system according to any one of claims 2-4. The first sound collection means and the first loudspeaker means are arranged for each of the plurality of users using the first equipment, and the second sound collection means and the first sound amplification means are arranged for each of the plurality of users using the second equipment. 2 loudspeaker means are arranged respectively,
A communication system according to any one of claims 1-5. Cancellation processing is performed for each of a sound produced by interference between the first sound collecting means and the first loudspeaking means and a sound produced by interference between the second sound collecting means and the second loudspeaking means. ,
A communication system according to any one of claims 1-6. A communication method using a communication system capable of communicating between a first facility provided with a first screen having a stereoscopic projection surface and a second facility provided with a second screen having a stereoscopic projection surface and
Acquiring the image in the first facility and projecting the acquired image in the first facility on the second screen of the second facility, and acquiring and acquiring the image in the second facility Image processing for projecting the image in the second facility onto the first screen of the first facility;
The sound in the first facility is picked up and the sound in the first facility is amplified in the second facility, and the sound in the second facility is picked up and collected. audio processing for amplifying the audio in the second facility in the first facility;
communication method to perform.

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