CN101645952A - Conference telephone terminal, system and method for sharing data - Google Patents
Conference telephone terminal, system and method for sharing data Download PDFInfo
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Abstract
The invention relates to a conference telephone terminal, a system and a method for sharing data. The conference telephone terminal comprises a coding/decoding and control module, a line interface module and a data output module. The system comprises the conference telephone terminal. The method comprises that: a session channel is established by a first conference telephone terminal in a conference telephone system and a second conference telephone terminal taking part in a telephone conference; and the line interface module of the first conference telephone terminal transmits the data to betransmitted to the second conference telephone terminal through the session channel, so that the second conference telephone terminal is opened and displays information corresponding to the data. By receiving, decoding and displaying the data, the conference telephone terminal can share the data with a remote terminal even if the conference telephone terminal is not equipped with data sharing equipment, so the conference telephone terminal simultaneously supports voice and data sharing.
Description
Technical field
The present invention relates to a kind of communication technical field, relate in particular to a kind of conference telephone terminal, system and use the method for its shared data.
Background technology
Along with developing rapidly of the communication technology, most large and medium-sized enterprise of office that disperse can realize long-range meeting, discuss and link up.Long-range meeting promptly can be voice conferencing, also can be video conference.
In the voice conferencing, a plurality of telephone subscribers can use phone, hold three parts or voice conferencing more in many ways by remote mode.When having many people to use in a certain meeting room, needing to adopt a kind of special telephone plant is that conference telephone terminal reaches remote pickup and result of broadcast.The conference telephone terminal that the long-range meeting of enterprise adopts adopts array microphone to enlarge the pickup scope, and general pickup scope can reach 3 meters～5 meters, and angle can reach 360 degree, has boombox and keyboard simultaneously.Like this, the participant can take a seat around the conference system on the conference table, needn't all put microphone or telephone plant in face of everyone.
Video conference comprises video conferencing, video conference, video conference, teleconference etc.Wherein, TV conference system be by the network platform with multimedia meanses such as real-time sound, videos, support people to carry out the application system that real time information exchanges, carries out collaborative work at a distance.Video conferencing system real-time Transmission video and audio-frequency information make the cooperation member can carry out intuitively, look really audible communication at a distance.
Because often image data such as file data such as more shared documents of needs or film and computer desktop is as the discussion material of meeting in the meeting process, conference telephone system is mainly finished this two big major function of speech and data communication.As when carrying out speech exchange, carry out the film explanation, finish sharing of document content, image content.Wherein, file data is files such as " .doc ", " .txt ", " .ppt "; Image data is PC screenshotss pictures, is about to the PC desktop contents and transmits shared as picture.
Existing conference telephone system is shown in Figure 1A, Figure 1B, Fig. 2 A and Fig. 2 B, and this two big major function of voice communication and data communication realizes by voice terminal 2 and data terminal 1 respectively.Shown in Figure 1A, (Public Switched TelephoneNetwork PSTN) realizes function of voice communication by public switch telephone network by voice terminal 2; Data communication function is crossed Internet Protocol (IP) network by data terminal 1 as personal computer (PC) or computer expert and is realized, communication mode commonly used such as common ICP/IP protocol or agreement H.239, the content of finishing file data, image data such as share at data communication function.Shown in Fig. 2 A, voice server 3 is set respectively in PSTN, the IP network, data server 4 is realized voice communications versus data communications.Shown in Figure 1B, the user can hold two cover meetings respectively, and a cover meeting is based on the conference telephone of public switch telephone network (PSTN) network and the multipartite voice meeting that the voice bridge is formed; An other cover meeting is based on the Web conference (WEB Conference) of the PC of IP circuit, realizes data sharing by the server and client side of WEB Conference.Shown in Fig. 2 B, TV conference system can be used special-purpose microcontroller (MCU) or mini MCU (MiniMCU).When the meeting of 4～6 meeting-place, built-in 4～6 small-sized MCU of video terminal wherein, the user is by calling MiniMCU meeting-place real-time convening video conference.The mode that transmits by double fluid in video conference transmits motion video and PC desktop simultaneously, and the PC data receiving directly connects projecting apparatus by video graphics array (VGA) output of video terminal, shows the data that transmit.If use MCU, then also need to dispose the relevant management system of MCU, as: operation system, gatekeeper etc.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art: because an existing conference telephone support voice function if will support the data sharing functionality, then need be joined data sharing equipment in addition.
Summary of the invention
The embodiment of the invention proposes the method for a kind of conference telephone terminal, system and shared data, to realize need not to join in addition under the situation of data sharing equipment support voice and data sharing simultaneously.
The embodiment of the invention provides a kind of conference telephone terminal, comprising:
Encoding and decoding and control module are used to carry out the decoding of data, and the reception of control data;
LIM is used under the control of described encoding and decoding and control module, receives the data that described teleconference telephone terminal sends;
Data outputting module is used for the data with described LIM reception, after described encoding and decoding and control module decoding, outputs to display device.
The embodiment of the invention also provides a kind of conference telephone system, comprises above-mentioned conference telephone terminal.
Inventive embodiments also provides a kind of method of using above-mentioned conference telephone system shared data, comprising:
Set up session channel by first conference telephone terminal in the described conference telephone system and second conference telephone terminal of participating in videoconference; LIM by described first conference telephone terminal is transferred to described second conference telephone terminal with data waiting for transmission by described session channel; Described second conference telephone terminal is opened and shown the pairing information of described data.
In the foregoing description, conference telephone terminal is by receiving data and decoding, show, make conference telephone terminal not join in addition under the situation of data sharing equipment, can with the data sharing of remote terminal, realized conference telephone terminal simultaneously support voice and data sharing.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Figure 1A is a point-to-point communication scheme in the prior art;
Figure 1B is the scene schematic diagram of Figure 1A;
Fig. 2 A is a multi-party communication schematic diagram in the prior art;
Fig. 2 B is the scene schematic diagram of Fig. 2 A;
Fig. 3 is the structural representation of conference telephone terminal embodiment one of the present invention;
Fig. 4 is the structural representation of conference telephone terminal embodiment two of the present invention;
Fig. 5 is the schematic network structure of the external situation of voice/data bridge among the conference telephone terminal embodiment of the present invention;
Fig. 6 is the structural representation of conference telephone system one embodiment of the present invention;
Fig. 7 is the structural representation of another embodiment of conference telephone system of the present invention;
Fig. 8 is the flow chart of the method embodiment of shared data of the present invention.
Embodiment
Embodiment of the invention conference telephone terminal can comprise: encoding and decoding and control module, LIM and data outputting module; Encoding and decoding and control module are used to carry out the decoding of data, and the reception of control data; LIM is used under the control of described encoding and decoding and control module, receives the data that described teleconference telephone terminal sends; Data outputting module is used for the image data with described LIM reception, after described encoding and decoding and control module decoding, outputs to display device.Wherein, encoding and decoding and control module can be by sending signal or command control link interface module.
Fig. 3 is the structural representation of conference telephone terminal embodiment one of the present invention, and conference telephone terminal comprises: encoding and decoding and control module 31, LIM 32, data outputting module 33, user's control module 34 and phonetic entry output module 35.Encoding and decoding and control module 31 are used to carry out the encoding and decoding of voice and the decoding of image data, and the input and output of control voice and the reception of image data, wherein, voice are carried out encoding and decoding and input and output control, the basic language of having realized conference telephone terminal is because of call function, as: the voice signal that receives the calling subscriber is carried out speech coding, noise suppressed (ANS), echo cancelltion operations such as (AEC), and the operational processes result sent to LIM 32, the voice that LIM 32 receives are decoded, (Automatic GainControl AGC) waits operation in automatic gain control.Image data being decoded and received control, realized sharing of image data, is the image data of content by receiving the other side with the table for computer surface information promptly, obtains the film content that the other side shows on computers, thereby realizes the data sharing with the other side.LIM 32 is used for carrying out the mutual of voice with the teleconference telephone terminal under described encoding and decoding and control module 31 controls, and receives the image data that described teleconference telephone terminal sends; That is, LIM 32 is gone back the image data that the receiving remote conference telephone terminal sends on the basis of realizing the interactive voice that telephone terminal is basic.The image data that data outputting module 33 receives described LIM 32 outputs to display device after described encoding and decoding and control module 31 decodings, show; User's control module 34 is used to receive user's operating command, controls described encoding and decoding and control module 31 is operated accordingly.When conference telephone terminal only received image data, user's control module 34 can be saved.Phonetic entry output module 35 is the basic speech communication functional module of conference telephone terminal, be used for finishing the input and output of conference telephone system voice communication part, comprise by built-in microphone 37 sound import information, and to loud speaker 36 output sound contents; Mike 37 finishes the collection of sound; Loud speaker 36 is finished the broadcast to sound.Phonetic entry output module 35, loud speaker 36 and Mike 37 can be referring to the corresponding modules in the conference telephone terminal in the prior art.Wherein, loud speaker 36 and Mike 37 can be provided with in the conference telephone terminal that provides with present embodiment.
When above-mentioned conference telephone terminal is worked, voice and image data that LIM 32 receiving remote conference telephone terminals send, decode respectively by encoding and decoding and 31 pairs of voice of control module and image data, by the loudspeaker plays voice, and decoded data are outputed to display device by data outputting module 34, show, realized sharing of data.
LIM 32 can comprise IP interface and/or PSTN interface; Data outputting module 33 can be video graphics array (Video Graphics Array, VGA) interface, be used for encoding and decoding and control module 31 decoded image datas are outputed to the display device of conference telephone terminal outside, as display or projecting apparatus, especially when this conference telephone terminal is in the meeting-place, this function is particularly important, can allow more people join in the videoconference, realizes data sharing.
Fig. 4 is the structural representation of conference telephone terminal embodiment two of the present invention, in the present embodiment, conference telephone terminal 401 also can comprise data input module 405, data input module 405 can be the VGA in interface on the conference telephone terminal, the image data that is used for receiving computer such as PC 410 desktop contents, conference telephone terminal 401 can output to display device such as digital projecting apparatus 411 by described data outputting module 404 to carry out this locality and shows; Also can encode by the image data that encoding and decoding and 402 pairs of data input modules of control module 405 receive, send to the teleconference telephone terminal by LIM 403 then, make teleconferencing terminal also can show local data presented content, realized data sharing with conference telephone terminal 401.At this moment, user's control module 406 can comprise keyboard and LCD (LCD), utilize on the keyboard button as " film transmission " control image data transmission, show synchronously with picture with the recipient.
In the conference telephone terminal 401, data outputting module 404 can integrate with data input module 405, for ease of describing, the module that integrates is called the data input/output module here.The data input/output module can be finished the data input and output in the conference telephone system data sharing function, comprises that PC 410 is by VGA/DVI input desktop contents, simultaneously to digital projector 411 output project content.
The conference telephone terminal that provides in the foregoing description, the film content of obtaining for desktop sectional drawing by computer, can realize local the demonstration by data outputting module, and transmit by LIM, make teleconferencing terminal obtain film content according to the image data that obtains, thereby make conference telephone terminal join in addition under the situation of data sharing equipment such as computer and peripheral hardware thereof, realized the data sharing of videoconference, thereby make that conference telephone is easier to realize in nothing.
Based on the foregoing description, conference telephone terminal can further comprise data processing module 408, shares with the content that realizes file data.At this moment, the decoding and control module 402 also be used for the control documents data input and output, discern and open; Described LIM 403 also is used to carry out control information mutual of file data and file data page turning.For the file data by LIM 403 outputs, decoding and control module 402 are at first encoded, and control circuit interface module 403 outputs to the teleconference telephone terminal then; The file data that receives for LIM 403, after decoding and control module 402 decodings, the decoded file data form of control data processing module 408 identifications, and open this document data corresponding file, control data processing module 408 can be software module, as office (OFFICE) software, support the identification and the broadcast of active file form such as files such as WORD, PPT.And data processing module 408 is carried out page turn over operation according to the page turning control information that described LIM 403 receives to the file of opening, thereby has realized the data sharing of teleconferencing terminal.At this moment, the transmission of the opening of user's control module 406 file data that also can utilize button on the keyboard to handle to receive such as file data, demonstration or control documents data is as sending operation such as page turning control information.Promptly, conference telephone terminal 401 can also be based on the keypress function of existing telephone, by dual-tone multifrequency (Dual Tone Multi-Frequency, DTMF) mode realizes the function with the synchronous page turning of far-end conference telephone terminal, can set specific keys and realize synchronous page turning, as, turn down one page and use button " * " " 34 " " # ", page up uses " * " " 2 " " # ", LIM 403 is that the control information of page turning sends to the far-end conference telephone terminal with these key informations, when local conference telephone terminal 401 is carried out page turn over operation by data processing module 408 according to control information, the far-end conference telephone terminal is under the control of the control information that receives, carry out page turn over operation simultaneously, realized synchronous page-turning function.
In the present embodiment, conference telephone terminal has been realized sharing of local desktop picture data mode film and teleconferencing terminal by modules such as data inputs, and by data processing module realized and remote terminal between the sharing of film content of file data form.
In the foregoing description, conference telephone terminal also can be realized the speech data meeting by external voice/data bridge, as shown in Figure 5.After meeting is set up, conference telephone terminal 52 is sent to independently voice/data bridge 51 by LIM (as: network interface) with voice-and-data two-way code stream, the voice-and-data two-way that voice/data bridge 51 is sent is decoded respectively and is exported simultaneously, and voice-and-data is play and shown at loud speaker with above the projecting apparatus respectively.
Conference telephone system can comprise the arbitrary conference telephone terminal that provides among the above-mentioned conference telephone terminal embodiment, all conference telephone terminals in the conference telephone system also can be the arbitrary conference telephone terminal that provides in the foregoing description, conference telephone terminal can communicate by the PSTN circuit, also can communicate by the IP circuit.
Fig. 6 is the structural representation of conference telephone system one embodiment of the present invention, conference telephone system can comprise at least two conference telephone terminals 61, connect by a PSTN circuit between the conference telephone terminal 61, like this, conference telephone system is walked the same line road just can realize videoconference, the shared PSTN network of data and voice has been avoided the influence of IP network to videoconference, has guaranteed the meeting quality.Conference telephone terminal 61 can be the arbitrary conference telephone terminal that provides among the above-mentioned conference telephone terminal embodiment.
Fig. 7 is the structural representation of another embodiment of conference telephone system of the present invention, in the present embodiment, connect by two PSTN circuits between the conference telephone terminal 71, wherein, one the tunnel is exclusively used in voice transfer, another road is exclusively used in the transmission of data and control information, with the stand-by period of further minimizing voice call, data sharing and control information, better satisfies transmission requirement.Conference telephone terminal 71 can be the arbitrary conference telephone terminal that provides among the above-mentioned conference telephone terminal embodiment.
The method of embodiment of the invention shared data can comprise:
Set up session channel by first conference telephone terminal in the above-mentioned conference telephone system and second conference telephone terminal of participating in videoconference;
LIM by described first conference telephone terminal is transferred to described second conference telephone terminal with data waiting for transmission by described session channel, described second conference telephone terminal is opened and is shown the pairing information of described data.
Fig. 8 is the flow chart of the method embodiment of shared data of the present invention, present embodiment uses any one conference telephone system that provides among the said system embodiment to carry out videoconference, put through the other side's telephone number, set up the voice data transmission passage by the modulator-demodulator of both sides' terminal, carry out the transmission of voice-and-data, carry out videoconference, specifically comprise:
Be the monitoring transmission progress, to improve meeting efficient, said method embodiment can show the transmission progress bar further in transmission simultaneously.
In the foregoing description, when the data of local terminal transmission were image data, step 803 can be saved.
By said method embodiment, in the videoconference, data can be transferred to remote terminal, and show, thereby need not at conference telephone terminal to have realized data sharing under the situation of computer equipment and peripheral hardware thereof.By PSTN transmission, avoided videoconference to realize the dependence of data sharing, and the ip network number that is brought has thus improved the quality of videoconference according to the harmful effect to videoconference such as packet loss to IP network and PC peripheral hardware.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (15)
1, a kind of conference telephone terminal is characterized in that, comprising:
Encoding and decoding and control module are used to carry out the decoding of data, and the reception of control data;
LIM is used under the control of described encoding and decoding and control module, receives the data that described teleconference telephone terminal sends;
Data outputting module is used for the data with described LIM reception, after described encoding and decoding and control module decoding, outputs to display device.
2, conference telephone terminal according to claim 1 is characterized in that, also comprises:
User's control module is used to receive user's operating command, and indicates described encoding and decoding and control module to carry out described operational order.
3, conference telephone terminal according to claim 1 is characterized in that, also comprises:
Data input module is used to receive local data;
Described encoding and decoding and control module also are used for the digital coding to described data input module reception, and the transmission of control coding back data;
Described LIM also is used for sending described coding back data to described teleconference telephone terminal;
Described data outputting module also is used to show the data of described data input module reception.
4, conference telephone terminal according to claim 1 is characterized in that,
Described encoding and decoding and control module also are used for the identification of control data and open;
Described LIM also is used to receive and send the control information of data page turning.
Described conference telephone terminal also comprises:
Data processing module is used under the control of described encoding and decoding and control module, discerns, opens the data of the corresponding format that described LIM receives, and page turn over operation is carried out in the control information of the page turning that receives according to described LIM.
5, conference telephone terminal according to claim 4 is characterized in that, also comprises:
The local interface module is used for data are sent to external equipment, or receives data that external equipment sends or the control command that is used for the control operation data;
Described encoding and decoding and control module also are used for the data that described local interface module is obtained are encoded, or carry out the control command that described local interface module receives.
6, according to each described conference telephone terminal among the claim 1-4, it is characterized in that, also comprise:
The voice/data bridge is used for the voice-and-data of described LIM output is carried out audio mixing and forwarding.
According to each described conference telephone terminal among the claim 1-4, it is characterized in that 7, described LIM comprises Internet Protocol IP interface and/or public switch telephone network PSTN interface.
8, a kind of conference telephone system is characterized in that, comprises at least one described conference telephone terminal among the aforesaid right requirement 1-7.
9, conference telephone system according to claim 8 is characterized in that, links to each other by one or two PSTN circuits between the described conference telephone terminal.
10, a kind of method of using each described conference telephone system shared data among the claim 8-9 is characterized in that, comprising:
Set up session channel by first conference telephone terminal in the described conference telephone system and second conference telephone terminal of participating in videoconference;
The LIM of described first conference telephone terminal is transferred to described second conference telephone terminal with data waiting for transmission by described session channel, described second conference telephone terminal is opened and is shown the pairing information of described data.
11, the method for shared data according to claim 10 is characterized in that, sets up session channel and comprises:
Set up the public switch telephone network session channel.
12, according to the method for claim 10 or 11 described shared data, it is characterized in that, also comprise:
On described first conference telephone terminal, show the transmission progress bar.
According to the method for each described shared data in claim 10 or 11, it is characterized in that 13, described data waiting for transmission are file data, described method also comprises:
Select file data waiting for transmission.
14, the method for shared data according to claim 13 is characterized in that, also comprises:
Send the page turning control information of file data.
15, the method for shared data according to claim 14 is characterized in that, also comprises:
Described second conference telephone terminal is carried out page turn over operation according to described page turning control information to described file data corresponding file.
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| CN200810118059A CN101645952A (en) | 2008-08-07 | 2008-08-07 | Conference telephone terminal, system and method for sharing data |
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