WO2019062667A1

WO2019062667A1 - Method and device for transmitting conference content

Info

Publication number: WO2019062667A1
Application number: PCT/CN2018/106979
Authority: WO
Inventors: 张永军; 郭晓亮; 杨阳; 郑双喜; 王岳明
Original assignee: 阿里巴巴集团控股有限公司
Priority date: 2017-09-28
Filing date: 2018-09-21
Publication date: 2019-04-04
Also published as: CN109586929A; CN109586929B

Abstract

One or more embodiments of the present specification provide a method and a device for transmitting conference content, the method comprising: establishing a remote screen casting channel between a first conference terminal set at a first location of a conference and a second conference terminal set at a second location of the conference and establishing a near field screen casting channel between the first conference terminal and a mobile terminal used by a participant at the first location; receiving, by the first conference terminal, a screen casting content transmitted by the mobile terminal via the near field screen casting channel, wherein the screen casting content includes a display content of a screen of the mobile terminal; transmitting, by the first conference terminal, the screen casting content to the second conference terminal via the remote screen casting channel to present to a participant at the second location.

Description

Method and device for transmitting conference content

The present application claims the priority of the Japanese Patent Application Serial No. PCT Application No. No. No. No. No. No. No.

Technical field

One or more embodiments of the present disclosure relate to the field of communications technologies, and in particular, to a method and an apparatus for transmitting conference content.

Background technique

In the related art, "meeting" generally refers to activities in which a plurality of participants conduct consultations at the same place. In order to improve the efficiency of the meeting, the participants can display and explain the content. With the continuous development of mobile network technology, "meeting" has been extended from a single location to multiple locations, so that users in different locations can be used as participants in the same conference.

Summary of the invention

In view of this, one or more embodiments of the present specification provide a method and apparatus for transmitting conference content.

To achieve the above object, one or more embodiments of the present specification provide the following technical solutions:

According to a first aspect of one or more embodiments of the present specification, a method for transmitting conference content is provided, including:

Establishing a remote projection channel between the first conference terminal set at the first location of the conference and the second conference terminal set at the second location of the conference, and the first conference terminal and the first conference terminal Establishing a near-field projection channel between mobile terminals used by participants;

Receiving, by the first conference terminal, the screencast content transmitted by the mobile terminal by using the near field projection channel, where the screencast content includes a screen display content of the mobile terminal;

The first conference terminal transmits the screencast content to the second conference terminal through the remote projection channel to display to a participant at the second location.

According to a second aspect of one or more embodiments of the present specification, a method for transmitting conference content is provided, including:

Establishing a data channel between the first conference terminal set at the first location of the conference and the second conference terminal set at the second location of the conference, and the first conference terminal and the conference at the first location Establishing a near field data channel between mobile terminals used by personnel;

Receiving, by the first conference terminal, the screencast content transmitted by the mobile terminal by using the near field data channel, where the screencast content includes a screen display content of the mobile terminal;

The first conference terminal transmits the screencast content to the second conference terminal through the remote data channel to display to a participant at the second location.

According to a third aspect of one or more embodiments of the present specification, a transmission apparatus for conference content is provided, including:

a screencasting channel establishing unit, configured to establish a remote projection channel between the first conference terminal set at the first location of the conference and the second conference terminal set at the second location of the conference, and enable the first conference terminal Establishing a near field projection channel with the mobile terminal used by the participant at the first location;

The screencast content receiving unit, the first conference terminal receives the screencast content transmitted by the mobile terminal through the near field projection channel, and the screencast content includes a screen display content of the mobile terminal;

The screencast content transmission unit causes the first conference terminal to transmit the screencast content to the second conference terminal through the remote projection channel to display to the participant at the second location.

According to a fourth aspect of one or more embodiments of the present specification, a transmission apparatus for conference content is provided, including:

a data channel establishing unit, configured to establish a data channel between the first conference terminal set at the first location of the conference and the second conference terminal set at the second location of the conference, and enable the first conference terminal and the Establishing a near field data channel between mobile terminals used by participants at the first location;

The screencast content receiving unit, the first conference terminal receives the screencast content transmitted by the mobile terminal through the near field data channel, and the screencast content includes a screen display content of the mobile terminal;

The screencast content transmission unit causes the first conference terminal to transmit the screencast content to the second conference terminal through the remote data channel to display to a participant at the second location.

According to a fifth aspect of one or more embodiments of the present specification, a method for transmitting conference content is provided, including:

Establishing a remote projection channel between the first conference terminal set at the first location of the conference and the second conference terminal set at the second location of the conference, and the first conference terminal and the first conference terminal Establish a near-field projection channel between user devices used by participants;

Receiving, by the first conference terminal, the screencast content transmitted by the user equipment by using the near field projection channel, where the screencast content includes a screen display content of the user equipment;

According to a sixth aspect of one or more embodiments of the present specification, a method for transmitting conference content is provided, including:

Establishing a data channel between the first conference terminal set at the first location of the conference and the second conference terminal set at the second location of the conference, and the first conference terminal and the conference at the first location Establishing a near field data channel between user devices used by personnel;

Receiving, by the first conference terminal, the screencast content transmitted by the user equipment by using the near field data channel, where the screencast content includes a screen display content of the user equipment;

According to a seventh aspect of one or more embodiments of the present specification, a transmission apparatus for conference content is provided, including:

a screencasting channel establishing unit, configured to establish a remote projection channel between the first conference terminal set at the first location of the conference and the second conference terminal set at the second location of the conference, and enable the first conference terminal Establishing a near field projection channel with the user equipment used by the participant at the first location;

The screencast content receiving unit, the first conference terminal receives the screencast content transmitted by the user equipment through the near field screening channel, and the screencast content includes a screen display content of the user equipment;

According to an eighth aspect of one or more embodiments of the present specification, a transmission apparatus for conference content is provided, including:

a data channel establishing unit, configured to establish a data channel between the first conference terminal set at the first location of the conference and the second conference terminal set at the second location of the conference, and enable the first conference terminal and the Establishing a near field data channel between user equipment used by participants at the first location;

The screencast content receiving unit, the first conference terminal receives the screencast content transmitted by the user equipment by using the near field data channel, and the screencast content includes a screen display content of the user equipment;

DRAWINGS

FIG. 1 is a schematic structural diagram of a conference system according to an exemplary embodiment.

FIG. 2 is a flowchart of a method for transmitting conference content according to an exemplary embodiment.

FIG. 3 is a flowchart of another method for transmitting conference content according to an exemplary embodiment.

FIG. 4 is a schematic diagram of a conference scenario provided by an exemplary embodiment.

FIG. 5 is a schematic structural diagram of an electronic device according to an exemplary embodiment.

FIG. 6 is a block diagram of a transmission apparatus for conference content according to an exemplary embodiment.

FIG. 7 is a block diagram of a transmission apparatus for conference content according to an exemplary embodiment.

Detailed ways

Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. The following description refers to the same or similar elements in the different figures unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with one or more embodiments of the specification. Instead, they are merely examples of devices and methods consistent with aspects of one or more embodiments of the present specification as detailed in the appended claims.

It should be noted that the steps of the corresponding method are not necessarily performed in the order shown and described in the specification in other embodiments. In some other embodiments, the method may include more or fewer steps than those described herein. In addition, the individual steps described in this specification may be decomposed into multiple steps for description in other embodiments; while the multiple steps described in this specification may be combined into a single step in other embodiments. description.

FIG. 1 is a schematic structural diagram of a conference system according to an exemplary embodiment. As shown in FIG. 1, the system may include a server 11, a network 12, a conference terminal 13, and user equipment 14 such as a mobile phone 131, a PC 132, and the like.

The server 11 may be a physical server including a separate host, or the server 11 may be a virtual server hosted by the host cluster, or the server 11 may be a cloud server. During the running process, the server 11 can run a server-side program of an application to implement related business functions of the application. For example, when the server 11 runs the program of the mobile group office platform, the mobile group can be implemented. The server side of the platform.

In this embodiment, the mobile group office platform can not only realize the communication function, but also can be used as an integrated function platform for many other functions, such as approval events (such as leave, office item application, financial and other approval events), attendance events. The processing of internal events of the group, such as task events, log events, and the like, such as ordering, purchasing, and other external events of the group, one or more embodiments of the present specification are not limited thereto. In the technical solution of the present specification, the mobile group office platform can implement the conference function, and realize the transmission of the screencast content, the conference voice, and the like based on the conference function, so as to meet the projection screen and explanation requirements of the participants.

More specifically, the mobile group office platform can be carried in instant messaging applications in related technologies, such as enterprise instant messaging (EIM) applications, such as Skype for

Microsoft

Wait. Of course, the instant messaging function is only one of the communication functions supported by the mobile group office platform, and the mobile group office platform can implement more functions such as the above, which will not be described here.

The conference terminal 13 can be configured in various types of electronic devices, such as smart projectors, smart TV boxes, etc., which are not limited in this specification. During the running process, the conference terminal 13 can run a program on the client side of an application to implement related service functions of the application, for example, when the conference terminal 13 runs a program of the mobile group office platform, The client of the mobile group office platform.

The handset 141, PC 142, etc. are just some of the types of user equipment 14 that can be used. In fact, users can obviously use electronic devices such as tablet devices, notebook computers, PDAs (Personal Digital Assistants), wearable devices (such as smart glasses, smart watches, etc.), smart TVs, etc. One or more embodiments of the specification do not limit this. During operation, the user equipment 14 can run a client-side program of an application to implement related business functions of the application, such as when the user equipment 14 runs a program of the mobile group office platform. The client of the mobile group office platform.

It should be noted that the application of the client of the mobile group office platform can be pre-installed on the conference terminal 13 or the user equipment 14, so that the client can be started and run on the conference terminal 13 or the user equipment 14; When an online "client" such as HTML5 technology is employed, the client can be obtained and run without installing the corresponding application on the conference terminal 13 or the user device 14.

For the network 12 in which the conference terminal 13, the user equipment 14 and the server 11 interact, various types of wired or wireless networks may be included. In an embodiment, the network 12 may include a Public Switched Telephone Network (PSTN) and the Internet.

FIG. 2 is a flowchart of a method for transmitting conference content according to an exemplary embodiment. As shown in FIG. 2, the method is applied to a server (such as the server 11 described above), and may include the following steps:

Step 202: Establish a remote projection channel between the first conference terminal set at the first location of the conference and the second conference terminal set at the second location of the conference, and the first conference terminal and the first conference terminal A near-field projection channel is established between user devices used by participants at the location.

In an embodiment, the user equipment used by the participants may include a mobile terminal, such as a mobile phone, a tablet device, a wearable device, etc., which is not limited in this specification.

In an embodiment, the first conference terminal may receive a remote projection channel establishment instruction sent by the server for the second conference terminal; then, the first conference terminal responds to the remote projection channel establishment instruction. Establishing a remote projection channel with the second conference terminal. The server may send a remote projection channel establishment instruction to the first conference terminal according to the received conference initiation request from the initiator, so as to establish a remote projection channel between the first conference terminal and the second conference terminal.

In an embodiment, by running the client of the mobile group office platform on each conference terminal, the conference terminals can be connected to the server of the mobile group office platform running on the server through the client, thereby A cooperation between the clients forms a remote projection channel between the first conference terminal and the second conference terminal.

In an embodiment, when any participant needs to perform a projection, the location where the participant is located may be used as the first location, and the conference terminal set at the location is used as the above-mentioned a conference terminal; correspondingly, other locations where the other participants are different from the first location may be used as the second location, and the conference terminal set at the corresponding location is used as the second conference terminal . Therefore, the first location and the second location, the first conference terminal, and the second conference terminal are only relative concepts, and are not absolute concepts, that is, not a certain location is fixed as the first location or the second location.

In an embodiment, there may be a one-to-one correspondence between the first location and the second location. In another embodiment, a single first location may correspond to a plurality of second locations, ie, the “second location” may be a general term for a type of location such that participants of the plurality of second locations may both The screencast content transmitted by the conference terminal is viewed, the conference voice transmitted by the first conference terminal is listened to, and the conference voice sent by itself is transmitted to the first conference terminal.

In an embodiment, one or more conference terminals may be set at each location, and at least one conference terminal may participate in a conference related to the location, which is not limited in this specification. For example, a single conference terminal can participate in a related conference only; or multiple conference terminals can participate in a related conference at the same time to form a redundant configuration; or, multiple conference terminals can simultaneously participate in related conferences, and the conference terminals can be Load sharing and processing of related conferences implement load sharing.

Step 204: The first conference terminal receives the screencast content transmitted by the user equipment by using the near field projection channel, and the screencast content includes a screen display content of the user equipment.

In an embodiment, the user equipment and the first conference terminal can create the above-mentioned near field projection channel by respectively running the client of the mobile group office platform on the user equipment and the first conference terminal; The screen content includes the screen display content of the user equipment, indicating that the screencast content is not limited to the interface content of the client of the mobile group office platform running on the user equipment, and is not limited to the opening of the mobile group office platform client running on the user equipment. The document content may also include interface content such as an operating system of the user device, interface content of other applications, and the like, so as to perform related display operations to other participants (such as demonstrating new functions of an application, etc.).

Step 206: The first conference terminal transmits the screencast content to the second conference terminal through the remote screening channel to display to a participant at the second location.

In an embodiment, the first conference terminal and the second conference terminal can create the foregoing remote projection channel by running the client of the mobile group office platform on the first conference terminal and the second conference terminal respectively, and A conference terminal can transmit the screencast content from the user equipment to the second conference terminal for display, so that the participant can perform remote content presentation to other participants in other locations through the user equipment, especially for the mobile group. The interface content of other applications other than the client of the office platform is displayed.

In an embodiment, the first conference terminal may acquire conference reservation information of the conference, for example, the first conference terminal may obtain conference reservation information from a server; when the conference location indicated by the conference reservation information includes the conference location The second location establishes a remote projection channel between the first conference terminal and the second conference terminal. In other words, by setting the conference terminal in advance at each location (such as a conference room, etc.), and recording the binding relationship between each location and the conference terminal, so that the first conference terminal determines the second location indicated by the conference reservation information, Querying the binding relationship corresponding to the second location, and automatically determining the second conference terminal located at the second location, thereby establishing a remote projection channel between the first conference terminal and the second conference terminal. Wherein, when the binding relationship is stored in the server, the first conference terminal may initiate an inquiry to the server to determine, by the server, the second conference terminal bound to the second location; or, when the binding relationship is stored in the server When the first conference terminal is located, the first conference terminal may determine the second conference terminal bound to the second location by itself.

In an embodiment, the first conference terminal acquires a participant object indicated by the conference reservation information of the conference; and when the user equipment used by the conference participant is located at the second location, the first conference A remote projection channel is established between the terminal and the second conference terminal. By determining the user equipment used by the participant, the location where the user equipment is located may be the location where the participant is located; wherein, the binding relationship between each user and the user equipment may be recorded in advance, thereby The determining device determines the user equipment bound to the participant, or may determine the electronic device of the user account registered with the participant as the user device used by the participant.

In an embodiment, when the conference terminal is not set at the second location, the first conference terminal may determine, by using the user equipment used by the participant at the second location, as the second conference terminal. Then, the first conference terminal establishes a remote projection channel between the user equipment used by the participants at the second location. The user equipment used by the participant may include a mobile phone, a notebook computer, etc., and the specification does not limit this. For example, when the participant is in a business trip state, although the conference object is located at a location where the conference terminal is not set, the participant can still use the user equipment such as a mobile phone or a laptop as a personal "meeting terminal", and Conference terminals in other locations establish remote projection channels to enable these participants to participate in the same conference and obtain the same screencast content.

In an embodiment, the participant object and the participant may be completely consistent; in another embodiment, the participant may have a difference with the participant, for example, some participants may not participate in the meeting, that is, the participants are not Participants, for example, some non-participants can participate in the meeting temporarily, that is, these non-participants belong to the participants.

In an embodiment, when the first conference terminal receives the participation request initiated by the user for the conference, if it is determined that the any user belongs to the conference object specified by the conference reservation information corresponding to the conference, the first conference terminal The conference terminal corresponding to any one of the users may be determined to be the second conference terminal described above, so that the remote conference channel can be established with the first conference terminal.

In an embodiment, when the first conference terminal receives the participation request initiated by the user for the conference, if it is determined that the user does not belong to the conference object specified by the conference reservation information corresponding to the conference, The management party of the conference initiates an inquiry; when the result of the inquiry returned by the management party is the consent, the first conference terminal may determine the conference terminal corresponding to any one of the users, as the second conference terminal, so that it can The first conference terminal establishes a remote projection channel, so that the non-participating object can also actively initiate a participation request for the conference, and participate seamlessly in the conference with the consent of the management party of the conference.

In an embodiment, a remote voice channel may be established between the first conference terminal and the second conference terminal to transmit conference voice; wherein, for the establishment process of the remote voice channel, reference may be made to the foregoing remote projection channel. The establishment process is not repeated here. Therefore, the remote conference screen transmission can be realized between the first conference terminal and the second conference terminal through the remote projection channel, and the remote conference voice transmission can be realized through the remote voice channel.

In an embodiment, the first conference terminal may establish a near field voice channel with the user equipment used by the participant at the first location to transmit the conference voice. For example, when the pickup effect of the first conference terminal is poor, the user equipment of the participant can realize the pickup of a closer distance and transmit to the first conference terminal through the near field voice channel to improve the sound pickup effect; Alternatively, when the conference location of the first location is large, the first conference terminal may transmit the conference voice to each user equipment through the near-field voice channel, so that the participant can listen to the conference voice through the user equipment to improve the listening effect.

In an embodiment, when the first conference terminal establishes a near field voice channel with multiple user equipments used by participants at the first location, determining that the links in the multiple user equipments are optimal a device (ie, a plurality of user equipments respectively establish a communication link with the first conference terminal to implement a corresponding near-field voice channel; wherein, the user equipment corresponding to the optimal communication link among the communication links, And the first conference terminal transmits the conference voice between the near field voice channel and the link optimal device, and avoids other users in the multiple user equipments. The conference voice is transmitted between the devices, so that the conference-optimized device performs the playback or collection of the conference voice to the participants at the first location, thereby achieving an optimal audio effect.

In an embodiment, the conference terminal can simultaneously support the display function and the audio function. For example, when the conference terminal is configured on the smart television, the smart television can display and display the projection content, and collect and play the conference voice. In another embodiment, the conference terminal may only support a display function or an audio function. For example, when the conference terminal is configured on the smart projector, the smart projector only supports the display function and does not support the audio function, and the smart projector can be used by the smart projector. An audio device such as a conference call establishes a near field voice channel, and transmits the conference voice to the conference call via the near field voice channel, plays by the conference call, and collects the conference voice by the conference call; for example, the conference terminal is configured to When the smart conference call is used, the smart conference phone only supports the audio function and does not support the display function, and the near-field projection channel can be established by the smart conference phone and the display device such as the projector, and the screencast content is sent through the near-field projection channel. To the projector, display by the projector.

In an embodiment, the remote projection channel and the remote voice channel can be established between the conference terminals in any manner, which is not limited in this specification; for example, the peer network can be established based on the peer network between the conference terminals. At least one of a remote projection channel and the remote voice channel.

In an embodiment, by establishing a remote projection channel and a remote voice channel between the conference terminals, even if the participants are distributed in multiple locations, the corresponding conference terminal can be used to participate in the conference, which can greatly reduce the conference implementation. The restrictions imposed.

FIG. 3 is a flowchart of another method for transmitting conference content according to an exemplary embodiment. As shown in FIG. 3, the method is applied to a server (such as the server 11 described above), and may include the following steps:

Step 302: Establish a data channel between the first conference terminal set at the first location of the conference and the second conference terminal set at the second location of the conference, and the first conference terminal and the first location The near field data channel is established between the user devices used by the participants.

In an embodiment, the first conference terminal may receive a remote data channel establishment instruction sent by the server for the second conference terminal; then, the first conference terminal responds to the remote data channel establishment instruction, and A remote data channel is established between the second conference terminals. The server may send a remote data channel establishment instruction to the first conference terminal according to the received conference initiation request from the initiator, so as to establish a remote data channel between the first conference terminal and the second conference terminal.

In an embodiment, by running the client of the mobile group office platform on each conference terminal, the conference terminals can be connected to the server of the mobile group office platform running on the server through the client, thereby A cooperation between the clients establishes a remote data channel between the first conference terminal and the second conference terminal.

Step 304: The first conference terminal receives the screencast content transmitted by the user equipment by using the near field data channel, where the screencast content includes screen display content of the user equipment.

In an embodiment, the user equipment and the first conference terminal can create the near field data channel by using the client of the mobile group office platform on the user equipment and the first conference terminal. The content includes the screen display content of the user equipment, indicating that the screencast content is not limited to the interface content of the client of the mobile group office platform running on the user equipment, and is not limited to the document opened by the mobile group office platform client running on the user equipment. The content may also include interface content such as an operating system of the user device, interface content of other applications, etc., in order to perform related display operations to other participants (such as demonstrating new functions of an application, etc.).

Step 306: The first conference terminal transmits the screencast content to the second conference terminal through the remote data channel to display to a participant at the second location.

In an embodiment, the first conference terminal and the second conference terminal can create the foregoing remote data channel by respectively running the client of the mobile group office platform on the first conference terminal and the second conference terminal, and first The conference terminal can transmit the screencast content from the user equipment to the second conference terminal for display, so that the participant can perform remote content presentation to other participants in other locations through the user equipment, especially for the mobile group office. The interface content of other applications outside the platform's client is displayed.

In an embodiment, the first conference terminal may acquire conference reservation information of the conference, for example, the first conference terminal may obtain conference reservation information from a server; when the conference location indicated by the conference reservation information includes the conference location The second location establishes a remote data channel between the first conference terminal and the second conference terminal. In other words, by setting the conference terminal in advance at each location (such as a conference room, etc.), and recording the binding relationship between each location and the conference terminal, so that the first conference terminal determines the second location indicated by the conference reservation information, Querying the binding relationship corresponding to the second location, and automatically determining the second conference terminal located at the second location, thereby establishing a remote data channel between the first conference terminal and the second conference terminal. Wherein, when the binding relationship is stored in the server, the first conference terminal may initiate an inquiry to the server to determine, by the server, the second conference terminal bound to the second location; or, when the binding relationship is stored in the server When the first conference terminal is located, the first conference terminal may determine the second conference terminal bound to the second location by itself.

In an embodiment, the first conference terminal acquires a participant object indicated by the conference reservation information of the conference; and when the user equipment used by the conference participant is located at the second location, the first conference A remote data channel is established between the terminal and the second conference terminal. By determining the user equipment used by the participant, the location where the user equipment is located may be the location where the participant is located; wherein, the binding relationship between each user and the user equipment may be recorded in advance, thereby The determining device determines the user equipment bound to the participant, or may determine the electronic device of the user account registered with the participant as the user device used by the participant.

In an embodiment, when the conference terminal is not set at the second location, the first conference terminal may determine, by using the user equipment used by the participant at the second location, as the second conference terminal. Then, the first conference terminal establishes a remote data channel with the user equipment used by the participants at the second location. The user equipment used by the participant may include a mobile phone, a notebook computer, etc., and the specification does not limit this. For example, when the participant is in a business trip state, although the conference object is located at a location where the conference terminal is not set, the participant can still use the user equipment such as a mobile phone or a laptop as a personal "meeting terminal", and Conference terminals in other locations establish remote data channels so that these participants can participate in the same conference smoothly and obtain the same screencast content.

In an embodiment, when the first conference terminal receives the participation request initiated by the user for the conference, if it is determined that the any user belongs to the conference object specified by the conference reservation information corresponding to the conference, the first conference terminal The conference terminal corresponding to any one of the users may be determined as the second conference terminal, so that it can establish a remote data channel with the first conference terminal.

In an embodiment, when the first conference terminal receives the participation request initiated by the user for the conference, if it is determined that the user does not belong to the conference object specified by the conference reservation information corresponding to the conference, The management party of the conference initiates an inquiry; when the result of the inquiry returned by the management party is the consent, the first conference terminal may determine the conference terminal corresponding to any one of the users, as the second conference terminal, so that it can The first conference terminal establishes a remote data channel, so that the non-participating object can also actively initiate a participation request for the conference, and participate seamlessly in the conference with the consent of the management party of the conference.

In an embodiment, the remote data channel between the conference terminals can also be used to transmit conference voice. Therefore, remote screencast content transmission and remote conference voice transmission can be realized between the first conference terminal and the second conference terminal through a remote data channel.

In an embodiment, the near field data channel between the first conference terminal and the user equipment used by the participant at the first location may also transmit the conference voice. For example, when the pickup effect of the first conference terminal is poor, the user equipment of the participant can realize the pickup of a closer distance and transmit to the first conference terminal through the near field data channel to improve the sound pickup effect; Alternatively, when the conference location of the first location is large, the first conference terminal may transmit the conference voice to each user equipment through the near field data channel, so that the participant can listen to the conference voice through the user equipment to improve the listening effect.

In an embodiment, when the first conference terminal establishes a near field data channel with multiple user equipments used by participants at the first location, the link among the multiple user equipments may be determined to be the most An excellent device (that is, the plurality of user equipments respectively establish a communication link with the first conference terminal to implement a corresponding near field data channel; wherein the user equipment corresponding to the optimal communication link among the communication links is As the link optimal device), wherein the first conference terminal transmits conference voice between the near field data channel and the link optimal device, and avoids other with the multiple user devices The conference voice is transmitted between the user equipments, so that the conference-optimized device performs the playback or collection of the conference voice to the participants at the first location, thereby achieving an optimal audio effect.

In an embodiment, the conference terminal can simultaneously support the display function and the audio function. For example, when the conference terminal is configured on the smart television, the smart television can display and display the projection content, and collect and play the conference voice. In another embodiment, the conference terminal may only support a display function or an audio function. For example, when the conference terminal is configured on the smart projector, the smart projector only supports the display function and does not support the audio function, and the smart projector can be used by the smart projector. The audio device such as the conference phone establishes a near field data channel, and transmits the conference voice to the conference phone via the near field data channel, plays by the conference phone, and collects the conference voice by the conference phone; for example, the conference terminal is configured to In the smart conference call, the smart conference phone only supports the audio function and does not support the display function, and the smart conference phone and the display device such as the projector can establish a near field data channel, and send the screencast content to the projection via the near field data channel. The instrument is displayed by a projector.

In an embodiment, the remote data channel can be established between the conference terminals in any manner, which is not limited in this specification; for example, the remote data channel can be established based on a peer-to-peer network between conference terminals.

In an embodiment, by establishing a remote data channel between the conference terminals, even if the participants are distributed in multiple locations, the corresponding conference terminals can be used to participate in the conference, which can greatly reduce the limitation of the conference implementation.

For ease of understanding, the technical solution of one or more embodiments of the present specification will be described by taking the enterprise instant messaging application "Enterprise WeChat" as an example.

FIG. 4 is a schematic diagram of a conference scenario provided by an exemplary embodiment. As shown in FIG. 4, it is assumed that the participants include the user A to the user F located at the location P1, the user G and the user H located at the location P2, and the user L located at the location P3, etc., based on the technical solution of the present specification. The members can view the screencast content and listen to the conference voice through the corresponding device.

At the location P1, the user A uses the mobile phone 41, the user E uses the notebook computer 44, and the location P1 is provided with a smart conference telephone 43 as a conference terminal, and a smart television 42 as a projection screen device, in which the mobile phone 41 runs a business. The WeChat client 1 and the laptop 44 run the enterprise WeChat client 3, while the smart TV 42 runs the enterprise WeChat client 21 and the smart conference phone 43 runs the enterprise WeChat client 22. Since the presentation of the screencast content and the playback of the conference voice are involved in the conference, the smart conference phone 43 generally only supports the audio function and does not have the display function, and thus the enterprise WeChat client 21 and the smart device running on the smart TV 42 The enterprise WeChat client 22 running on the conference phone 43 enables the smart conference phone 43 to establish a near field projection channel with the smart television 42, and the smart conference phone 43 can transmit the projection screen to the smart television 42 so that the smart television 42 can Screening content for display and meeting screencasting needs.

At the location P2, there is provided a smart projector 45 as a conference terminal, and the smart projector 45 runs an enterprise WeChat client 4, through which the user can display the screencast content and play to the user G and the user H. Conference voice and other functions. At the location P3, the user L uses the mobile phone 46. Since the conference terminal such as the conference call and the smart projector is not set at the location P3, the mobile phone 46 can be used as the conference terminal corresponding to the user L, and the conference at the location P1 and the location P2. The terminal establishes a remote projection channel and a remote voice channel. The mobile phone 46 runs the enterprise WeChat client 5, so that the mobile phone 46 can implement functions such as displaying screencast content and playing conference voice.

It is assumed that user A performs a screen presentation and explanation to other participants. The process involves the near-field meeting scenes of the participants B, such as user B and user F at the location P1, and the user G and user H at the location P2. The remote conference scenarios of the participants such as the user L at the location P3 will be described separately below.

For near-field meeting scenarios:

Since user A and user B to user F are all at the same place P1, user B to user F can usually directly hear the explanation of user A, and thus generally only refers to the presentation of the screencast content.

In an embodiment, the user A uses the mobile phone 41, and the enterprise WeChat client 1 running on the mobile phone 41 establishes a near-field projection channel between the enterprise WeChat client 22 running on the smart conference phone 43 and passes the near field projection. The screen channel realizes data interaction, and the screencast content can be sent from the mobile phone 41 to the smart conference phone 43, and the smart conference phone 43 further transmits the screencast content to the smart TV 42 so that the smart TV 42 can display the screencast content on the screen. It can be viewed by the participants such as User B to User F at the location P1.

The screencast content transmitted by the mobile phone 41 may include any screen display content; in other words, any content displayed on the screen of the mobile phone 41 may be transmitted to the smart conference phone 43 as a screencast content, and then transmitted to the smart projector 45, Mobile phone 46, etc., to show all participants. Specifically, the screen display content of the mobile phone 41 may include: an interface content displayed by the enterprise WeChat client 1 , an interface content of the document opened by the enterprise WeChat client 1 , and other applications running on the mobile phone 41 except the enterprise WeChat client 1 The content of the interface displayed by the program, the interface content of the document opened by the other application, the interface content of the operating system of the mobile phone 41, etc., are not limited in this specification.

In an embodiment, when the user E is far away from the smart TV 42, the enterprise WeChat client 3 running on the laptop 44 used by the user E can be associated with the enterprise WeChat client 1 or the enterprise WeChat client 22 described above. The near-field projection channel is established, so that the enterprise WeChat client 3 can obtain the screencast content on the mobile phone 41, and the user E can view the screencast content on the laptop 44.

Wherein, since the mobile phone 41, the notebook computer 44, the smart conference phone 43, and the like are all located at the same place P1, the above-mentioned near-field projection channels can be established between these devices based on a near field communication protocol such as Bluetooth; of course, these devices can also be The remote projection channel is established based on the remote communication protocol. This specification does not limit this. The process of establishing a remote projection channel based on the remote communication protocol is detailed below, and will not be described here.

For remote meeting scenarios:

Since the user G and the user H at the location P2, the user L at the location P3, and the like are at different locations from the user A at the location P1, the presentation of the screencast content and the playback of the conference voice are involved.

In the process of displaying the projected content, it is necessary for the user A to provide the screencast content to the user G and the user H at the place P2, the user L at the place P3, and the like, respectively. Taking the user G and the user H at the location P2 as an example, the enterprise WeChat client 22 running on the smart conference phone 43 and the enterprise WeChat client 4 running on the smart projector 45 can establish a remote remote projection channel, and the intelligent conference The phone 43 can transmit the screencast content to the smart projector 45 through the remote projection channel 45, and display the screencast content to the user G and the user H by the smart projector 45; similarly, for the user L at the location P3, A remote remote projection channel can be established between the enterprise WeChat client 22 running on the smart conference phone 43 and the enterprise WeChat client 5 running on the mobile phone 46. The smart conference phone 43 can send the screencast content to the remote projection channel. The mobile phone 46 displays the screencast content to the user L by the mobile phone 46.

In the process of establishing a remote remote projection channel, user A can initiate a screencast request to the enterprise WeChat server through the enterprise WeChat client 1, so that the enterprise WeChat server determines the smart conference phone 43 and the user G at the location P1. The smart projector 45 corresponding to the user H and the mobile phone 46 corresponding to the user L are operated by the enterprise WeChat client 22 running on the smart conference phone 43, the enterprise WeChat client 4 running on the smart projector 45, and the mobile phone 46. The enterprise WeChat client 5 establishes a remote projection channel between the smart conference phone 43, the smart projector 45, and the mobile phone 46. The user A can indicate to the enterprise WeChat server that the device that wants to establish the remote projection channel is the smart conference phone 43, the smart projector 45, and the mobile phone 46, or the user A can indicate to the enterprise WeChat server that he wishes to interact with the user G and the user. H and the user L realize the projection screen, and the corresponding device is determined by the enterprise WeChat server as the smart conference phone 43, the smart projector 45 and the mobile phone 46, or the smart conference phone 43, the smart projector 45 and the like can also be determined by other means. Mobile phone 46, this specification does not limit this.

In an embodiment, the user A can initiate a screencast request to the enterprise WeChat server through the enterprise WeChat client 1 running on the mobile phone 41. The screencast request can include the smart conference phone 43, the smart projector 45, and the mobile phone 46. The ID information enables the enterprise WeChat server to pass the enterprise WeChat client 22 running on the smart conference phone 43, the enterprise WeChat client 4 running on the smart projector 45, and the enterprise WeChat client 5 running on the mobile phone 46, in the smart A remote projection channel is established between the conference phone 43, the smart projector 45, and the mobile phone 46, and the projection content is transmitted by the smart conference phone 43 to the smart projector 45 and the mobile phone 46. In other embodiments, only the ID information of the smart conference phone 43 may be provided in the screencast request, and the smart projector 45 corresponding to the user G and the user H and the mobile phone corresponding to the user L are determined by the enterprise WeChat server by other means. 46. For example, the identity information of the user G, the user H, and the user L is provided only in the screencast request, and the enterprise WeChat server determines, according to the identity information, the smart projector 45 corresponding to the user G and the user H, and the user L. The mobile phone 46, etc., is not limited by this specification.

In an embodiment, a remote projection channel can be established between the conference terminals corresponding to the participants, so that the screencast content needs to be replaced during the conference, for example, the user A completes the explanation and replaces the user G to implement the explanation. So that the source of the projected content (for the smart projector 45 at the location P2, the conference terminal such as the mobile phone 46 at the location P3) needs to be replaced by the smart conference phone 43 as the smart projector 45, based on the mutual communication between the conference terminals The established remote projection channel ensures seamless switching of the screencast content, which helps to improve the efficiency and continuity of the conference.

In the process of establishing a remote remote voice channel, since each participant may speak in the conference, it is necessary to ensure that the conference voice of each participant can be collected and provided to other participants. In an embodiment, for each conference terminal at a location, such as smart conference phone 43 at location P1, smart projector 45 at location P2, handset 46 at location P3, etc., may be run based on smart conference phone 43 The enterprise WeChat client 22, the enterprise WeChat client 4 running on the smart projector 45, and the enterprise WeChat client 5 running on the mobile phone 46 establish a remote voice channel between the smart conference phone 43, the smart projector 45 and the mobile phone 46. All the participants at the location P1, the location P2, and the location P3 can realize audio transmission between each other through the remote voice channel to complete the conference discussion. For the establishment of the remote voice channel, refer to the above-mentioned remote projection channel, which is not described here.

In an embodiment, when there are multiple devices supporting audio functions in the same place, for example, at the location P1, in addition to the smart conference phone 43 as the conference terminal, electronic devices such as the mobile phone 41 and the notebook computer 44 may be included. The device can establish a near-field voice channel with the smart conference phone 43; then, when the user A to the user F at the local point P1 speak, the device with the best sound pickup effect can be selected to collect the corresponding audio content, and It is transmitted to the smart conference phone 43 through the near field voice channel, thereby being further transmitted by the smart conference phone 43 to the smart projector 45, the mobile phone 46, etc. through the remote voice channel for playing. Similarly, when the participants at the local point P2, the location P3, and the like speak, the corresponding audio content can be played by the electronic device with the best playback effect at the location P1. By selecting the electronic device that has the best sound pickup effect or playback effect (the device with the best pickup effect and the electronic device with the best playback effect can be the same or different, this specification does not limit this), the meeting can be guaranteed. Voice has a higher definition to enhance the quality of the conference. Of course, if the pickup effect or the playback effect of the above electronic device is inferior to the conference terminal, the audio function can be directly implemented through the conference terminal.

Among them, the electronic device with the best pickup effect or the best playback effect can be selected in various ways, and the specification does not limit this. For example, in one case, the enterprise WeChat server can control the enterprise WeChat client running on each electronic device to perform audio sampling or trial playback, and perform parameter analysis on the corresponding trial results, such as distortion parameters and frequency response parameters. Etc., to determine the electronic device with the best pickup effect or the best playback effect. In another case, the enterprise WeChat server can detect the link quality of the near field voice channel established by each electronic device, and determine the electronic device with the best link as the electronic with the best pickup effect or the best playback effect. device.

In an embodiment, the remote projection channel and the remote voice channel in this specification may be established based on any communication protocol, and the specification does not limit this. For example, a plurality of conference terminals can establish a remote projection channel and a remote voice channel based on a peer-to-peer network.

In summary, the user equipment used by the participant at the first location establishes a near field projection channel with the first conference terminal at the first location, and at the first conference terminal and the second location. A remote projection channel is established between the second conference terminals, so that the participant at the second location can view the screen display content on the user equipment.

FIG. 5 is a schematic structural diagram of an electronic device according to an exemplary embodiment. Referring to FIG. 5, at the hardware level, the electronic device includes a processor 502, an internal bus 504, a network interface 506, a memory 508, and a non-volatile memory 510, and of course may also include hardware required for other services. The processor 502 reads the corresponding computer program from the non-volatile memory 510 into the memory 508 and then operates to form a transmission device for the conference content on a logical level. Of course, in addition to the software implementation, one or more embodiments of the present specification do not exclude other implementation manners, such as a logic device or a combination of software and hardware, etc., that is, the execution body of the following processing flow is not limited to each. A logical unit, which can also be a hardware or logic device.

Referring to FIG. 6, in the software implementation, the transmission device of the conference content may include:

The screencast channel establishing unit 61 establishes a remote projection channel between the first conference terminal set at the first location of the conference and the second conference terminal set at the second location of the conference, and makes the first conference Establishing a near field projection channel between the terminal and the user equipment used by the participant at the first location;

The screencast content receiving unit 62 is configured to enable the first conference terminal to receive the screencast content transmitted by the user equipment through the near field screening channel, where the screencast content includes a screen display content of the user equipment;

The screencast content transmission unit 63 is configured to enable the first conference terminal to transmit the screencast content to the second conference terminal through the remote projection channel to display to the participant at the second location .

Optionally, the screen-casting channel establishing unit 61 is specifically configured to:

And causing, by the first conference terminal, a remote projection channel establishment instruction sent by the server for the second conference terminal;

And causing the first conference terminal to establish a remote projection channel with the second conference terminal in response to the remote projection channel establishment instruction.

And causing the first conference terminal to acquire conference reservation information of the conference;

When the conference location indicated by the conference reservation information includes the second location, a remote projection channel is established between the first conference terminal and the second conference terminal.

And causing the first conference terminal to acquire a participant object indicated by the conference reservation information of the conference;

And when the user equipment used by the participant is located at the second location, establishing a remote projection channel between the first conference terminal and the second conference terminal.

When the conference terminal is not set at the second location, the first conference terminal is configured to determine a user equipment used by a participant at the second location as the second conference terminal;

Establishing a remote projection channel between the first conference terminal and a user equipment used by a participant at the second location.

And causing the first conference terminal to establish the remote projection channel based on a peer-to-peer network with the second conference terminal.

Optionally, it also includes:

The remote voice channel establishing unit 64 establishes a remote voice channel between the first conference terminal and the second conference terminal to transmit conference voice.

Optionally, it also includes:

The near field voice channel establishing unit 65 is configured to establish a near field voice channel between the first conference terminal and the user equipment used by the participant at the first location to transmit the conference voice.

Optionally, it also includes:

The device determining unit 66, when the first conference terminal establishes a near field voice channel with multiple user equipments used by participants at the first location, causing the first conference terminal to determine the multiple user equipments Link optimal device;

The near field transmission unit 67 is configured to enable the first conference terminal to transmit conference voice between the near field voice channel and the link optimal device, and avoid transmission with other user equipments in the multiple user equipments. The conference voice is used to play or collect conference voices by the link optimal device to the participants at the first location.

Optionally, the user equipment may include a mobile terminal, such as a mobile phone, a tablet device, a wearable device, etc., which is not limited in this specification.

Referring to FIG. 7, in the software implementation, the transmission device of the conference content may include:

The data channel establishing unit 71 is configured to establish a data channel between the first conference terminal set at the first location of the conference and the second conference terminal set at the second location of the conference, and enable the first conference terminal and the conference terminal Establishing a near field data channel between user equipment used by participants at the first location;

The screencast content receiving unit 72 is configured to enable the first conference terminal to receive the screencast content transmitted by the user equipment by using the near field data channel, where the screencast content includes a screen display content of the user equipment;

The screencast content transmission unit 73 causes the first conference terminal to transmit the screencast content to the second conference terminal through the remote data channel to display to the participant at the second location.

The system, device, module or unit illustrated in the above embodiments may be implemented by a computer chip or an entity, or by a product having a certain function. A typical implementation device is a computer, and the specific form of the computer may be a personal computer, a laptop computer, a cellular phone, a camera phone, a smart phone, a personal digital assistant, a media player, a navigation device, an email transceiver, and a game control. A combination of a tablet, a tablet, a wearable device, or any of these devices.

In a typical configuration, a computer includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.

The memory may include non-persistent memory, random access memory (RAM), and/or non-volatile memory in a computer readable medium, such as read only memory (ROM) or flash memory. Memory is an example of a computer readable medium.

Computer readable media includes both permanent and non-persistent, removable and non-removable media. Information storage can be implemented by any method or technology. The information can be computer readable instructions, data structures, modules of programs, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read only memory. (ROM), electrically erasable programmable read only memory (EEPROM), flash memory or other memory technology, compact disk read only memory (CD-ROM), digital versatile disk (DVD) or other optical storage, Magnetic cassette tape, disk storage, quantum memory, graphene-based storage media or other magnetic storage devices or any other non-transporting media can be used to store information that can be accessed by a computing device. As defined herein, computer readable media does not include temporary storage of computer readable media, such as modulated data signals and carrier waves.

It is also to be understood that the terms "comprises" or "comprising" or "comprising" or any other variations are intended to encompass a non-exclusive inclusion, such that a process, method, article, Other elements not explicitly listed, or elements that are inherent to such a process, method, commodity, or equipment. An element defined by the phrase "comprising a ..." does not exclude the presence of additional equivalent elements in the process, method, item, or device including the element.

The foregoing description of the specific embodiments of the specification has been described. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims can be performed in a different order than the embodiments and still achieve the desired results. In addition, the processes depicted in the figures are not necessarily in a particular order or in a sequential order to achieve the desired results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.

The terms used in one or more embodiments of the present specification are for the purpose of describing particular embodiments, and are not intended to limit one or more embodiments. The singular forms "a", "the", and "the" It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It should be understood that although the terms first, second, third, etc. may be used to describe various information in one or more embodiments of the specification, the information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, the first information may also be referred to as the second information without departing from the scope of one or more embodiments of the present disclosure. Similarly, the second information may also be referred to as the first information. Depending on the context, the word "if" as used herein may be interpreted as "when" or "when" or "in response to determination."

The above is only a preferred embodiment of one or more embodiments of the present specification, and is not intended to limit one or more embodiments of the present specification, which is within the spirit and principles of one or more embodiments of the present specification, Any modifications, equivalent substitutions, improvements, etc., are intended to be included within the scope of the protection of one or more embodiments.

Claims

A method for transmitting conference content, characterized in that it comprises:

Establishing a remote projection channel between the first conference terminal set at the first location of the conference and the second conference terminal set at the second location of the conference, and the first conference terminal and the first conference terminal Establishing a near-field projection channel between mobile terminals used by participants;

Receiving, by the first conference terminal, the screencast content transmitted by the mobile terminal by using the near field projection channel, where the screencast content includes a screen display content of the mobile terminal;

The first conference terminal transmits the screencast content to the second conference terminal through the remote projection channel to display to a participant at the second location.
The method according to claim 1, wherein a remote projection channel is established between the first conference terminal set at the first location of the conference and the second conference terminal set at the second location of the conference. include:

The first conference terminal receives a remote projection channel establishment instruction sent by the server for the second conference terminal;

The first conference terminal establishes a remote projection channel with the second conference terminal in response to the remote projection channel establishment instruction.
The method according to claim 1, wherein a remote projection channel is established between the first conference terminal set at the first location of the conference and the second conference terminal set at the second location of the conference. include:

The first conference terminal acquires conference reservation information of the conference;

When the conference location indicated by the conference reservation information includes the second location, a remote projection channel is established between the first conference terminal and the second conference terminal.
The method according to claim 1, wherein a remote projection channel is established between the first conference terminal set at the first location of the conference and the second conference terminal set at the second location of the conference. include:

Obtaining, by the first conference terminal, a participant object indicated by the conference reservation information of the conference;

When the mobile terminal used by the participant is located at the second location, a remote projection channel is established between the first conference terminal and the second conference terminal.
The method according to claim 1, wherein a remote projection channel is established between the first conference terminal set at the first location of the conference and the second conference terminal set at the second location of the conference. include:

When the conference terminal is not set at the second location, the first conference terminal determines a mobile terminal used by a participant at the second location to serve as the second conference terminal;

A remote projection channel is established between the first conference terminal and a mobile terminal used by a participant at the second location.
The method according to claim 1, wherein a remote projection channel is established between the first conference terminal set at the first location of the conference and the second conference terminal set at the second location of the conference. include:

The first conference terminal establishes the remote projection channel based on a peer-to-peer network with the second conference terminal.
The method of claim 1 further comprising:

Establishing a remote voice channel between the first conference terminal and the second conference terminal to transmit conference voice.
The method of claim 1 further comprising:

The first conference terminal establishes a near field voice channel with the mobile terminal used by the participant at the first location to transmit the conference voice.
The method of claim 8 further comprising:

Determining a link optimal device in the multiple mobile terminals when the first conference terminal establishes a near field voice channel with multiple mobile terminals used by participants at the first location;

Transmitting conference voice between the near-field voice channel and the link optimal device by using the near-field voice channel, and avoiding transmitting conference voice with other mobile terminals in the multiple mobile terminals, to The link optimal device performs playback or collection of the conference voice to the participants at the first location.
A method for transmitting conference content, characterized in that it comprises:

Establishing a remote data channel between the first conference terminal set at the first location of the conference and the second conference terminal set at the second location of the conference, and the first conference terminal and the reference at the first location Establishing a near field data channel between mobile terminals used by the personnel;

Receiving, by the first conference terminal, the screencast content transmitted by the mobile terminal by using the near field data channel, where the screencast content includes a screen display content of the mobile terminal;

The first conference terminal transmits the screencast content to the second conference terminal through the remote data channel to display to a participant at the second location.
A transmission device for conference content, comprising:

a screencasting channel establishing unit, configured to establish a remote projection channel between the first conference terminal set at the first location of the conference and the second conference terminal set at the second location of the conference, and enable the first conference terminal Establishing a near field projection channel with the mobile terminal used by the participant at the first location;

The screencast content receiving unit, the first conference terminal receives the screencast content transmitted by the mobile terminal through the near field projection channel, and the screencast content includes a screen display content of the mobile terminal;

The screencast content transmission unit causes the first conference terminal to transmit the screencast content to the second conference terminal through the remote projection channel to display to the participant at the second location.
The device according to claim 11, wherein the projection channel establishing unit is specifically configured to:

And causing, by the first conference terminal, a remote projection channel establishment instruction sent by the server for the second conference terminal;

And causing the first conference terminal to establish a remote projection channel with the second conference terminal in response to the remote projection channel establishment instruction.
The device according to claim 11, wherein the projection channel establishing unit is specifically configured to:

And causing the first conference terminal to acquire conference reservation information of the conference;

When the conference location indicated by the conference reservation information includes the second location, a remote projection channel is established between the first conference terminal and the second conference terminal.
The device according to claim 11, wherein the projection channel establishing unit is specifically configured to:

And causing the first conference terminal to acquire a participant object indicated by the conference reservation information of the conference;

And when the mobile terminal used by the participant is located at the second location, establishing a remote projection channel between the first conference terminal and the second conference terminal.
The device according to claim 11, wherein the projection channel establishing unit is specifically configured to:

When the conference terminal is not set at the second location, the first conference terminal is configured to determine, by the first conference terminal, a mobile terminal used by a participant at the second location as the second conference terminal;

Establishing a remote projection channel between the first conference terminal and a mobile terminal used by a participant at the second location.
The device according to claim 11, wherein the projection channel establishing unit is specifically configured to:

And causing the first conference terminal to establish the remote projection channel based on a peer-to-peer network with the second conference terminal.
The device according to claim 11, further comprising:

The remote voice channel establishing unit establishes a remote voice channel between the first conference terminal and the second conference terminal to transmit the conference voice.
The device according to claim 11, further comprising:

The near field voice channel establishing unit establishes a near field voice channel between the first conference terminal and the mobile terminal used by the participant at the first location to transmit the conference voice.
The device according to claim 18, further comprising:

a device determining unit, when the first conference terminal establishes a near field voice channel with a plurality of mobile terminals used by a participant at the first location, causing the first conference terminal to determine the multiple mobile terminals Link optimal device;

a near field transmission unit, configured to transmit the conference voice between the first conference terminal and the link optimal device by using the near field voice channel, and avoid transmitting a conference with other mobile terminals in the multiple mobile terminals Voice, in which the conference audio is played or collected by the link optimal device to the participants at the first location.
A transmission device for conference content, comprising:

a data channel establishing unit, configured to establish a remote data channel between the first conference terminal set at the first location of the conference and the second conference terminal set at the second location of the conference, and enable the first conference terminal and the conference terminal Establishing a near field data channel between mobile terminals used by participants at the first location;

The screencast content receiving unit, the first conference terminal receives the screencast content transmitted by the mobile terminal through the near field data channel, and the screencast content includes a screen display content of the mobile terminal;

The screencast content transmission unit causes the first conference terminal to transmit the screencast content to the second conference terminal through the remote data channel to display to a participant at the second location.
A method for transmitting conference content, characterized in that it comprises:

Establishing a remote projection channel between the first conference terminal set at the first location of the conference and the second conference terminal set at the second location of the conference, and the first conference terminal and the first conference terminal Establish a near-field projection channel between user devices used by participants;

Receiving, by the first conference terminal, the screencast content transmitted by the user equipment by using the near field projection channel, where the screencast content includes a screen display content of the user equipment;

The first conference terminal transmits the screencast content to the second conference terminal through the remote projection channel to display to a participant at the second location.
A method for transmitting conference content, characterized in that it comprises:

Establishing a remote data channel between the first conference terminal set at the first location of the conference and the second conference terminal set at the second location of the conference, and the first conference terminal and the reference at the first location Establishing a near field data channel between user devices used by the personnel;

Receiving, by the first conference terminal, the screencast content transmitted by the user equipment by using the near field data channel, where the screencast content includes a screen display content of the user equipment;

The first conference terminal transmits the screencast content to the second conference terminal through the remote data channel to display to a participant at the second location.
A transmission device for conference content, comprising:

a screencasting channel establishing unit, configured to establish a remote projection channel between the first conference terminal set at the first location of the conference and the second conference terminal set at the second location of the conference, and enable the first conference terminal Establishing a near field projection channel with the user equipment used by the participant at the first location;

The screencast content receiving unit, the first conference terminal receives the screencast content transmitted by the user equipment through the near field screening channel, and the screencast content includes a screen display content of the user equipment;

The screencast content transmission unit causes the first conference terminal to transmit the screencast content to the second conference terminal through the remote projection channel to display to the participant at the second location.
A transmission device for conference content, comprising:

a data channel establishing unit, configured to establish a remote data channel between the first conference terminal set at the first location of the conference and the second conference terminal set at the second location of the conference, and enable the first conference terminal and the conference terminal Establishing a near field data channel between user equipment used by participants at the first location;

The screencast content receiving unit, the first conference terminal receives the screencast content transmitted by the user equipment by using the near field data channel, and the screencast content includes a screen display content of the user equipment;

The screencast content transmission unit causes the first conference terminal to transmit the screencast content to the second conference terminal through the remote data channel to display to a participant at the second location.