WO2012055335A1 - 会议控制方法及相关设备和系统 - Google Patents
会议控制方法及相关设备和系统 Download PDFInfo
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- WO2012055335A1 WO2012055335A1 PCT/CN2011/081083 CN2011081083W WO2012055335A1 WO 2012055335 A1 WO2012055335 A1 WO 2012055335A1 CN 2011081083 W CN2011081083 W CN 2011081083W WO 2012055335 A1 WO2012055335 A1 WO 2012055335A1
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- identifier
- conference
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
- H04N7/152—Multipoint control units therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/1813—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
- H04L12/1822—Conducting the conference, e.g. admission, detection, selection or grouping of participants, correlating users to one or more conference sessions, prioritising transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
- H04L65/403—Arrangements for multi-party communication, e.g. for conferences
- H04L65/4038—Arrangements for multi-party communication, e.g. for conferences with floor control
Definitions
- the present invention relates to the field of communications technologies, and in particular, to a conference control method and related devices and systems. Background technique
- the user site has been developed from a camera, an active video, and a moving image to multiple cameras, multi-channel active video, and multi-channel moving images.
- Multiple cameras, multiple active videos, and multiple active images in the same venue can be associated in physical or logical relationships.
- multiple cameras, multiple displays (screens), multiple venue terminals (or one site terminal multiple stream) can be deployed in one video conference site (such as conference sites 1 and 2).
- Multiple conference site terminals are interconnected through a Multipoint Control Unit (MCU) to establish a conference.
- MCU Multipoint Control Unit
- the technology that supports simultaneous transmission of multiple camera images to the remote site and simultaneously displays remote multi-channel video images has been widely used in distance education, telepresence and other scenarios.
- the lower-level venues may have the need to speak.
- the signaling and processing strategies in the current video conference television system are applied for by the venue.
- the chairman of the meeting agreed to make a name-calling broadcast of the entire venue after the application for the venue.
- the site terminal of the site 2 sends a request to the MCU; the MCU forwards the request to the chair site (for example, the site 1 is the chair site);
- the site terminal sends a request to the MCU to broadcast the site 2; the MCU processes the chairperson's name broadcast request, and broadcasts the multi-channel image of the site 2 to each site.
- Each site views the image of the site 2, and the MCU
- the sounds picked up by all the microphones (MICs) of the venue 2 are sent to the conference venues, and the sound of the entire conference venue 2 can be heard at each conference venue.
- MICs microphones
- Embodiments of the present invention provide a conference control method and related devices and systems, so as to improve flexibility of conference control and save bandwidth resources as much as possible.
- the embodiment of the present invention provides the following technical solutions:
- a conference control method including:
- the first area speaking request carries a first site identifier and a first area identifier
- the site corresponding to the first site identifier includes multiple areas
- the first site identifier is The corresponding site belongs to the first conference
- the first area identifier is an area identifier of the application speaking area in the site corresponding to the first site identifier
- the site terminal of the at least one site other than the site corresponding to the first site identifier is broadcasted to the first conference to broadcast the video corresponding to the application speaking area.
- a conference control device comprising:
- a receiving module configured to receive a first area speaking request, where the first area speaking request carries a first site identifier and a first area identifier, where the site corresponding to the first site identifier includes multiple areas,
- the site corresponding to the first site identifier belongs to the first conference, and the first area identifier is the area identifier of the application floor in the site corresponding to the first site identifier.
- a determining module configured to determine whether to allow the application area of the first area identifier to be sent
- a video broadcast module configured to: when the determining module determines that the requesting area of the first area identifier is allowed to speak, to the at least one meeting place of the first meeting except the first site identifier
- the terminal broadcasts a speech video corresponding to the application speaking area.
- a chair site terminal including:
- the receiving module is configured to receive the first area speaking request, where the first area speaking request carries the first site identifier and the first area identifier, where the site corresponding to the first site identifier includes multiple The area, the site corresponding to the first site identifier belongs to the first conference, and the first area identifier is the area identifier of the application speaking area in the site corresponding to the first site identifier.
- a determining module configured to determine whether to allow the application area of the first area identifier to be sent
- a video broadcast module configured to: when the determining module determines that the requesting area of the first area identifier is allowed to speak, trigger the media processing device to send the conference site to the at least one site other than the site corresponding to the first site identifier in the first conference
- the terminal broadcasts a speech video corresponding to the application speaking area corresponding to the first area identifier.
- a speech application device including:
- the obtaining module is configured to obtain the first site identifier and the first area identifier, where the site corresponding to the first site identifier includes multiple areas, and the site corresponding to the first site identifier belongs to the first conference, the first area The area i or the identifier of the application speaking area in the site corresponding to the first site identifier;
- a sending module configured to generate and send a first area speaking request carrying the first site identifier and the first area identifier; to facilitate the conference control device to receive the first area speaking request; if it is determined that the first area identifier is allowed to be corresponding
- the speaking area of the application speaking area is triggered to broadcast the speaking video corresponding to the application speaking area to the meeting terminal of the at least one other site except the first site identifier corresponding to the first site identifier.
- a conference system including:
- the conference application device is configured to obtain the first site identifier and the first area identifier, where the site corresponding to the first site identifier includes multiple areas, and the site corresponding to the first site identifier belongs to the first conference.
- the first area identifier is an area identifier of the application speaking area in the site corresponding to the first site identifier; and the first area speaking request carrying the first site identifier and the first area identifier is generated and sent;
- a conference control device configured to receive the first area speaking request; if it is determined that the application area corresponding to the first area identifier is allowed to be uttered, at least the other part of the first conference except the first venue identifier
- a site terminal of a site broadcasts a speech video corresponding to the application speech area. It can be seen that, in the embodiment of the present invention, the conference site is divided into one or more areas, and the conference is applied for speaking according to the area. When the conference area is allowed to speak in a certain conference site, the conference may be at least one other conference site. The conference terminal only broadcasts the speech video corresponding to the application speech area.
- the processing mechanism refines the target of the naming broadcast, which is beneficial to improve the flexibility of the conference speech, and can be broadcast only because the speech video corresponding to the application speech area can be broadcasted. Small impact on network bandwidth is conducive to saving bandwidth resources as much as possible.
- FIG. 1 is a schematic structural diagram of a conference television network in the prior art
- FIG. 2 is a schematic flowchart of a conference control method for a multi-screen conference site according to Embodiment 1 of the present invention
- FIG. 3 is a schematic structural diagram of a conference television network structure according to Embodiment 2 of the present invention.
- FIG. 4 is a schematic flowchart of a conference control method for a multi-screen conference site according to a second embodiment of the present invention
- FIG. 5-a is a schematic diagram of a display mode according to an embodiment of the present invention
- FIG. 5-b is a schematic diagram of another display mode according to an embodiment of the present invention.
- FIG. 6 is a schematic diagram of another display mode according to an embodiment of the present invention.
- FIG. 7 is a schematic structural diagram of another conference television network according to Embodiment 2 of the present invention.
- FIG. 7-b is a schematic structural diagram of another conference television network according to Embodiment 2 of the present invention.
- FIG. 8 is a schematic diagram of a conference control device according to an embodiment of the present invention.
- FIG. 9 is a schematic diagram of a terminal of a conference site according to an embodiment of the present invention.
- FIG. 10 is a schematic diagram of a device for applying for a speech according to an embodiment of the present invention.
- FIG. 11 is a schematic diagram of a conference system according to an embodiment of the present invention.
- the embodiment of the invention provides a conference control method and related equipment and system, which can improve the flexibility of conference control and save bandwidth resources as much as possible.
- An embodiment of the conference control method of the present invention may include: receiving a first area speaking request, where the first area speaking request carries a first site identifier and a first area identifier, and the site corresponding to the first site identifier includes multiple The area, the site corresponding to the first site identifier belongs to the first conference, and the first area identifier is the area identifier of the application speaking area in the site corresponding to the first site identifier; If the area is uttered, the site terminal of the at least one site other than the site corresponding to the first site identifier in the first conference is broadcasted to broadcast the speech video corresponding to the application speaking area.
- the conference control device receives a first area speaking request.
- the conference control device may be a conference control device (such as a conference control management station or an MCU) on the network side, or may be a conference control device on the terminal side (for example, a conference terminal of the conference site of the conference).
- a conference control device such as a conference control management station or an MCU
- an area in the site (for the description, it can be called the first site, and the site identifier of the site can be called the first site identifier).
- the area may be referred to as the first area.
- the site terminal of the site (which may be referred to as a first site terminal for convenience of description) may serve as a requesting device and a network side conference.
- the control device (for example, the conference control management station or the MCU) sends an area speaking request (referred to as a first area speaking request for convenience of description), and the first area speaking request may carry the first site identifier and the first area identifier (
- the first area identifier is an area identifier of the first area;
- the first conference site may include multiple areas, the first conference site belongs to the first conference, and the first conference includes other one or more conference sites. It can be understood that the first area identifier can be capable of Any identifier that distinguishes a domain from other areas of the venue.
- the speech may not be applied in real time, but the application for the speech within one statistical period is performed together. If there is a statistical period (for example, 30 seconds or 60 seconds, etc.), there are multiple regions in the first venue to apply for a speech.
- the device for speaking the application (such as the first site terminal) may also obtain the area identifier of the multiple application area, and generate and send an area speech request carrying the first site identifier and the area identifier of the multiple application floor areas, and the conference control device A request to speak in the area can be received.
- the area identifier and the site identifier of the corresponding site can be two independent identifiers, or can be combined into one.
- the area identifier contains the site identifier information of the corresponding site, that is, the site identifier is used as part of the area identifier.
- the area identifier can be used to derive the site identifier of the corresponding site.
- the area request may actually carry only the area identifier, but the area request can still be considered to carry the combined area identifier and the site identifier.
- the network-side conference control device is a device that can manage and process conference-related signaling on the network side, and can be, for example, a conference control management station (if any), and the conference control management station can manage the regional speech request and the conference site.
- the conference control management station can manage the regional speech request and the conference site.
- the network side conference control device may be an MCU (where the MCU may be considered to have the function of all or part of the conference control management station), and the MCU may be autonomous or Cooperate with the conference terminal of the conference site (if any) of the conference, manage signaling such as regional speech request, site speech request, and receive audio and video media streams from the venue terminal, and process audio and video media streams and broadcasts, of course.
- the network side conference control device may also be a device with similar functions of other networking.
- the site terminal of the chair site (if any) in the conference can be regarded as the terminal-side conference control device (the site terminal of the chair site can be referred to as the chair site terminal).
- the user may send the conference control command to the network side conference control device directly through the terminal of the conference site, or may send the conference control command to the conference terminal through other tools with corresponding rights, and the conference terminal forwards the conference control.
- the command is given to the network side conference control device.
- the conference control command such as the regional speech request of each site, may be directly sent to the network-side conference control device by other devices without forwarding through the site terminal.
- a conference server may support several clients. Each site can log in to the client through the IE browser client and enter the site number, and then perform the conference. Control, such as Initiating an application, applying to become the chairman, etc.
- the request for the speech can be forwarded directly to the chair site terminal through the conference server. That is, if the conference control device is a conference control device on the network side, it may receive a conference control command such as an area speech request from the site terminal, and may also receive a conference control command such as an area speech request from another device. If the conference control device is a terminal-side conference control device, it may receive a conference control command such as an area speech request from the network-side conference control device, and may also receive a conference control command such as an area speech request from another device.
- the conference control device if it is determined that the application area of the first area identifier is allowed to speak, triggers to broadcast the application floor area to the conference terminal of the at least one site other than the site corresponding to the first site identifier in the first conference. Corresponding speech video.
- the conference control device is a network-side conference control device
- the network-side conference control device is a device that does not have a media processing function, such as a conference control management station
- it may trigger when determining to allow the application to speak in the speech area.
- the device having the media processing function such as the media processing device or the MCU
- the device is a device with a media processing function, such as an MCU
- the device may trigger the broadcast of the site terminal of the at least one site other than the site corresponding to the first site identifier in the first conference.
- the speech video corresponding to the application speaking area may be a device with a media processing function, such as an MCU
- the conference control device is a terminal-side conference control device (for example, a conference site terminal), it may be triggered when it is determined that the application-speaking region is allowed to speak (specifically, directly or through an indirect trigger such as a conference control management station).
- the device having the media processing function such as the media processing device or the MCU, broadcasts the speech video corresponding to the application speech area to the site terminal of the at least one site other than the site corresponding to the first site identifier in the first conference. If the conference control device determines that the requesting area of the first area identifier is allowed to be uttered, the conference terminal of the plurality of sites including the site corresponding to the first site identifier in the first conference may be broadcasted to broadcast the application. The corresponding speech video of the area.
- the first conference may be triggered by the first conference site identifier.
- the site terminal of the other at least one site broadcasts the audio of the first site or the application speaking area.
- the network side conference control device or the terminal side conference control device may also close the audio of the application speaking area according to an instruction or a preset policy. Tone processing
- the other site broadcasts the audio of the application site where the first site or the first zone identifier corresponds.
- the network side conference control device or the terminal side conference control device determines that the manner in which the application for the speaking area can be allowed to be uttered can be various.
- the network side conference control device can send the conference site to the first conference (if any).
- the site terminal forwards the first area speaking request, and if the point name sent by the site terminal of the chair site broadcasts the command of the application area for the first area identifier, it is determined that the application area corresponding to the first area identifier is allowed to speak.
- the network side conference control device or the terminal side conference control device may determine, according to the user instruction or the preset policy, that the application speaking area corresponding to the first area identifier is allowed to speak.
- the network side conference control device or the terminal side conference control device may also receive another conference site of the first conference (for example, the second conference site, the second conference site of the second conference site)
- the site identifier may be referred to as a second site identifier (the second conference site request), and the second site may also include one or more regions, and the second site belongs to the second site.
- a second conference call identifier carrying the second conference site identifier and the second area identifier, where the second area identifier is the area identifier of the application floor area in the second conference site; And transmitting, by the site terminal of the at least one site other than the site corresponding to the second site identifier in the first conference, the speech message corresponding to the application speaking area in the second site is broadcasted, so as to implement the support of the plurality of speech application objects.
- the broadcast of the audio and video media streams of the plurality of the conference application areas may be performed at the same time, for example, may be performed at the same time, and the second conference site terminal of the at least one conference site other than the second site site identifier is broadcasted to the second conference.
- the venue terminals of each venue in the first conference can display the received speech video in full or selectively.
- the network side conference control device or the terminal side conference control device may also generate and maintain a list of the application for speaking, so as to effectively manage the application object for the speech. For example, after receiving the first area speaking request, the network side conference control device or the terminal side conference control device may add a record corresponding to the first area speaking request in the speaking application list of the first meeting, and receive the second area speaking. After the request, the record corresponding to the second area speaking request may be added to the speaking application list of the first meeting. For example, information such as the area identifier of the application speaking area may be added to the speaking application list, so that Subsequently, the application speech area corresponding to the area identifier that allows the speech is selected from the list of the speech application.
- each area in the site may correspond to at least one camera (or one active video), and the video of the area has the at least one camera capture, or multiple areas in the venue may correspond to a wide angle.
- the camera the wide-angle camera can capture the entire site
- the image cutting can be performed according to the area division by the device with the media processing function such as the venue terminal or the MCU, and the speech video corresponding to the application speech area corresponds to one cut image, and the MCU has the media.
- the processing function device can broadcast the cut image or splicing the plurality of cut images.
- the speech video corresponding to the application speech area of the named broadcast can be clarified at each conference site.
- the spoofing video corresponding to each spoofing area is displayed by default on the corresponding screen of each site.
- the snippet video captured by the camera 1 of a site corresponds to the screen 1 of each site, and the site of the single-screen site.
- the speech video sent by the terminal corresponds to the main screen of the multi-screen conference site or all the screens are displayed at the same time; if there is a display conflict, the overlay replacement may be performed, or the idle screen may be first determined (such as the speech of the name broadcast) Does not correspond to the default screen), if there is, then replace the idle screen first, if not, then do the overlay replacement.
- the corresponding speech video may be displayed by default on the main screen or all screens of each site.
- the network side conference control device or the chair site control terminal may specify the correspondence between the speech video corresponding to each application speech area and the display screen of each site, and each site according to the specified correspondence relationship
- the corresponding display screen displays the speech video corresponding to the corresponding application speech area.
- the network side conference control device or the chair site terminal may perform priority ordering of the application speech area, and the order of priority ordering may correspond to the screen number order, and the speech video of the prior application request speech area is preferentially displayed. For example, for a single-screen site, it can display only the video of the speech in the highest priority application area.
- the network side conference control device or the site terminal of the chair site can also use the above display strategy according to actual needs, or can also select other display policies, which are not listed here.
- the embodiment of the present invention further provides a method for applying for a speech, which may include: obtaining a first site identifier and a first region identifier, where the site corresponding to the first site identifier includes multiple regions, and the first site identifier corresponds to The site belongs to the first conference, and the first area identifier is the first site identifier.
- An area identifier of the application area in the corresponding site generating and transmitting a first area speaking request carrying the first site identifier and the first area identifier, so that the conference control device receives the first area speaking request; If the requesting area of the first area identifier is allowed to be uttered, the conference terminal corresponding to the at least one site other than the site corresponding to the first site identifier in the first conference is broadcasted to broadcast the speech video corresponding to the application speaking area.
- the foregoing method for applying for a speech may be specifically implemented on a conference terminal or other device.
- the conference site is divided into one or more areas, and the conference is applied for speaking according to the area, and when the conference area is allowed to speak in a certain conference site, the conference venue can be at least one other conference site.
- the conference terminal only broadcasts the speech video corresponding to the application speech area, and the processing mechanism refines the target of the naming broadcast, which is advantageous for improving the flexibility of the conference speech, and can be reduced only because the speech video corresponding to the application speech area can be broadcasted.
- the impact on network bandwidth is conducive to saving bandwidth resources as much as possible.
- the process of requesting a certain area (hereinafter referred to as the area A01) participating in a certain conference (hereinafter referred to as the conference A) is taken as an example for detailed description. description.
- the process specifically implemented in the networking structure shown in FIG. 3 is mainly described as an example.
- the conference site of the conference is the site B
- the site terminal of the site B is the site terminal b
- the site terminal of the site A is the site terminal a
- the site terminal of the site C is the site terminal c
- the venue terminal may be one or more.
- specific steps may include:
- the site terminal a sends a regional speaking request to the multi-point control unit MCU.
- the terminal a can send an area request to the MCU, and the area request can carry the site to which the terminal belongs.
- Information such as the site identifier of A) and the identifier of the area (area A01) in which the application is to be advertised in the site A, for example, the type of the message, the number of applications for the speaking area, and the like, and of course, the number of areas in which the application is made is also It may be determined according to the number of identifiers of the area in which the application is carried in the regional speaking request.
- An area for requesting a speech may correspond to one or more imaging devices (such as cameras) capable of capturing a speech video of the area in real time.
- the area of the site may be divided according to the image capturing range of each camera device in the site.
- different regions in the site may correspond to different camera devices, and each region in the site may be Corresponding to the active video of all the way. Therefore, each area in the site can be identified by using a camera label, a video stream number, or the like, that is, the camera label and/or the video stream number are used as the identifiers of the corresponding areas in the conference site.
- the MCU receives the regional speaking request from the conference terminal a, and forwards the regional speaking request to the conference terminal (site terminal b) of the conference site (site B) of the conference.
- one or more areas of one or more other sites in the conference may also request to speak.
- the MCU may also receive an area speaking request from another one or more site terminals, and forward it to the chair site B.
- the other one or more sites in the conference can also request to speak.
- the MCU can also receive the site speaking request from the other one or more site terminals and forward it to the site terminal b of the chair site B. In other words, it can support regional speaking applications, and can also be compatible with existing technology venue applications.
- the site terminal b of the chair site B receives the regional speaking request forwarded by the MCU, and sends a conference control command to the MCU.
- the conference control command may be, for example, a multi-screen setting command, a site selection command, a region selection command, a site name broadcast command, a regional point name broadcast command, and the like.
- you can preview the video image of the target by setting the multi-screen and screen selection, and then perform the name-by-side broadcast operation after previewing.
- the site terminal b of the chairman site B can send the name to the MCU.
- a request list can be further generated and maintained (the identifier of the application object can be recorded, for example, the identifier of the site where the application is made, the identifier of the area in which the application is made, and the like).
- the site terminal b of the site B of the chairperson B can select a requesting target (for example, an area or a site) to perform a name broadcast in the list of the application for the advertisement according to the user command or the preset policy (here, the area A01 of the site A is selected as an example).
- you can also select multiple application spoofing objects for example, an area and/or a site
- application spoofing objects for example, an area and/or a site
- a naming broadcast here, the selected area and/or the scene of the area A01 including the conference A in the conference site is taken as an example.
- the MCU receives the conference control instruction from the terminal b of the chair site, and performs a conference control operation according to the conference control command.
- the MCU receives the conference control operation command from the site terminal b of the chair site B, it is a point name broadcast command of the broadcast area A01 (where the identifier of the area A01 can be carried, and the message type and the display mode indication can be further carried)
- the MCU can determine that the area AO 1 of the site A is allowed to speak according to the name of the broadcast command, and broadcast the speech video corresponding to the request speech area to the conference terminal of the other at least one site in the conference, and the conference terminal of the other at least one site controls the conference video.
- the screen in the conference area displays the speech video of area A01.
- the conference site of the application area or the conference site at the conference site can actively send the video of the speech in the application area or the conference site to the MCU.
- the MCU determines that the application area or the conference site is allowed to speak, the MCU performs the conference video.
- the corresponding point name broadcast processing; or, the application venue or the conference venue at the conference site terminal may also send the speech video of the application speech area or the conference site to the MCU when the notification is allowed to speak, and the MCU performs corresponding name broadcast processing on the site. .
- the chair site terminal selects one or selects multiple application speaking areas or venues for point-name broadcasting at the same time, it can be clearly displayed on the screen of each site of the application speech area or the meeting place corresponding to the named broadcast. position.
- the spoofing video corresponding to each spoofing area or meeting place is displayed by default on the corresponding screen of each site (for example, the spoofing video captured by camera 1 corresponds to the screen 1 display of each site, and the site of the single-screen site.
- the spoofing video sent by the terminal corresponds to the main screen of the multi-screen site or all the screen displays, etc.; if there is a display conflict, the coverage can be replaced.
- the area A01 and the area C01 are the same as the default default display screens of the site.
- the site terminal of the MCU or the chair site can select only one of the area A01 of the site A and the area C01 of the site C for the name broadcast, or It is also possible to first determine whether there is an idle screen (for example, the speech area or the venue of the current name broadcast does not correspond to the default screen), and if so, the idle screen is replaced first, and if not, the overlay replacement is performed.
- the corresponding speech video may be displayed by default on the main screen or all screens of each conference site.
- the site of the chair site (according to the user command or the preset policy) may be used to specify the correspondence between the speech video corresponding to the application area or the site and the display screen of each site. Each site is in accordance with the specified correspondence.
- the corresponding display screen displays the speech video corresponding to the corresponding application speech area or the conference site.
- the MCU or the chair site terminal may also perform the priority ordering of the application area or the site. The order of the priority order may correspond to the screen number order, and the priority of the previous application speech area or the site's speech video is preferentially displayed.
- a site with fewer screens usually only displays the higher-priority application area or the video of the site.
- the order of the application area or the site priority of the site is: B. B01 of the site B, A02 of the site A, and C01 of the site C.
- the corresponding video can be recorded at each site.
- Screen 1, screen 2 and screen 3 are correspondingly displayed. At this time, if there is only two screens in a certain venue, it can display the speech video corresponding to the area B01 of the site B only on its screen 1, and display the conference A on the screen 2 thereof.
- the conference video corresponding to the area C01 of the site C is not displayed, if the site has only one screen (that is, only the main screen), it may display the area B01 of the site B only on the main screen.
- the speech video, and the speech video corresponding to the area A02 of the site A and the area C01 of the conference site C are not displayed, and so on.
- the MCU or the site terminal of the chair site can also use the above display strategy according to actual needs, or you can select other display strategies for display control.
- the number of application areas or sites recorded in the current application list is very large.
- the chair site terminal selects the area BO1 of the site B, the area D02 of the site D, and the site J for the name broadcast.
- the corresponding speech video is displayed on the screen 1, screen 2, and screen 3 of the three-screen conference site.
- the image displayed on the screen 1 of the three-screen conference site is displayed on the screen 1 of the two-screen conference site.
- the screen 2 of the conference site corresponds to the screen 2 of the two-screen conference site. Therefore, the two-screen conference site displays the speech video corresponding to the area B01 and the area D02.
- the video displayed on the screen 2 of the three-screen conference site is displayed in the single-screen conference site. Therefore, the single-screen venue displays the speech video corresponding to the area D02.
- the site can also display more of the named broadcast application areas or venues in a multi-screen display. Speak the video, as shown in Figure 5-b.
- the video of the floor of the application site or the site may be displayed in multiple screens by the site terminal or the MCU of the chair site, or may be randomly selected.
- the MCU can also display the video of all the areas of the site where the area A01 is located in order to view the panoramic image of the site A where the application area or the site A01 is located.
- the spliced into a small picture is superimposed on the speech of the area A01 and sent to each venue for viewing.
- FIG. 6 for example, there are three cameras deployed in the A site, which respectively capture images of three areas, such as an area A01, an area A02, and an area A03.
- the current area A01 applies for a speech
- the MCU can indicate that the speech of the area A01 is on the screen.
- 3 Display and splicing the images of the respective areas of the site A where the area A01 is located into a small picture superimposed below the speech video of the area A01.
- some site information of the site A such as a site name, may be superimposed on the speech video of the area A01, and may be superimposed on the large image of the speech video of the area A01, or may be on the spliced image or Its vicinity area i or superimposed.
- the video displayed in the conference area or the conference venue of the named broadcast may be the same as the other conference venues, or may not remain the same, or may not display the video of the application speech area or the conference venue, or may use a picture instead of applying for a speech.
- the MCU can also process the audio of the application area or the venue of the called broadcast.
- an area corresponding to one camera (or one active video) may be deployed with a plurality of sound collecting devices (such as microphones), and the sound collecting devices are bundled into one group, and the sound encoding of the group of sound collecting devices is performed.
- One channel of audio stream one site may have multiple audio streams, and the venue terminals can be sent to the MCU separately; or multiple audio encodings of different sets of sounding devices can be combined into one audio stream (such as AAC-LD). Two channels) are sent to the MCU, and the audio stream information of different directions can be identified in the code stream.
- the site terminal or MCU of the chair site can also control whether the voice of the site to which the named area is broadcasted is broadcast or the voice of the speaking area is broadcast. If the voice of the site is broadcast, the venues in the conference can hear the site. The voice of the venue where the application area for the name of the broadcast is located; If the voice of the speaking area is broadcasted, the venues in the conference can hear the voice of the application area of the called broadcast, and the sound of other areas of the venue will not be heard.
- These two broadcast modes can be pre-configured within the MCU, or they can be set during the definition of the conference, or they can be modified by the MCU management station or the chairman through signaling control during the conference.
- the MCU can mix the voices of the respective speech areas or the conference areas (area and/or venue) and send them to the conference venues.
- the chair site terminal can also control the voices of all the speaking areas or venues of the named broadcasts to be broadcast to the entire conference, or select one or several voices of the application area or the venue to broadcast, and can use the regional name broadcast message to control the MCU to complete. operating.
- the conference chair terminal can send audio to the MCU.
- Control message which can carry the identifier of the operated site, the audio group number corresponding to the closed (or playback) area, the operation type (closed or playback), and optionally, can also carry the closed sound (or put Sound) The number of areas) and other information.
- the MCU performs audio processing according to the audio control message. If the playback is instructed, the sound of the speaking area is broadcast to other venues. If the closed sound is indicated, the sound of the speaking area is not broadcast to other venues.
- the foregoing solution in this embodiment is mainly described by using a specific implementation in the networking structure shown in FIG. 3, and of course, it may also be specifically configured in a networking structure in which a conference control management station is deployed.
- the implementation may be implemented, for example, in the networking structure shown in Figure 7-a.
- the conference control management station may be used to manage and process the conference-related signaling.
- the conference site terminal of each site may send a request for the conference to the conference control management station (for example, After the regional speaking request or the site speaking request), the venue terminal of each site may send a request for speaking to the MCU (for example, a regional speaking request or a site speaking request), the MCU forwards it to the conference control management station, and the conference control management station receives
- the conference request and other conference control commands are used as the conference chairperson to perform the application for the conference management and conference control operations.
- the MCU performs the media stream processing operations such as regional name broadcast or venue name broadcast under the control of the conference control management platform. In this scenario, there may be no chair site in the conference.
- the CU or the conference control management platform may also forward the conference control commands such as the field request request to the conference site terminal, and the conference site terminal performs the corresponding conference control operation.
- the above solution can also be deployed in a network where a conference control management station and a media processing device are deployed (for example, a multimedia sub-
- the specific implementation in the system networking structure can be implemented, for example, in the networking structure shown in FIG. 7-b.
- the MCU can be equivalent to the media processing device, the conference, and the conference site terminals.
- the media stream can be exchanged only.
- the control signaling of each conference site can be directly sent to the conference control management station (service platform).
- the conference control management platform acts as the conference chairperson for application for speech management and conference control operations, and the media processing device.
- the media stream processing operations such as area name broadcast or field name broadcast can be performed under the control of the conference control management station. It can be understood that in this scenario, there is no chair site in the conference. If there is a chair site, the conference control management platform can also The conference control command, such as the request for the conference, is forwarded to the terminal of the conference site, and the conference terminal controls the conference.
- the process implemented in the networking structure shown in FIG. 7-a or FIG. 7-b is similar to that in FIG. 3, and details are not described herein again.
- the conference control management station can also forward the conference-related signaling from the terminal of each site to the chair site terminal, and the chair site terminal (terminal-side conference control device) Or the chair site terminal and the control management platform jointly manage and process the conference-related signaling, and the media processing device or the MCU can perform the regional name name triggering at the chair site terminal (specifically, directly or through an indirect trigger such as a conference control management station).
- Media stream processing operations such as broadcast or field name broadcast.
- the conference site is divided into one or more areas, and the conference is applied for the conference according to the area.
- the conference server can send the conference site to other conference sites.
- the conference terminal only broadcasts the speech video corresponding to the application speech area, and the processing mechanism refines the target of the naming broadcast, which is advantageous for improving the flexibility of the conference speech, and can be reduced only because the speech video corresponding to the application speech area can be broadcasted.
- the impact on network bandwidth is conducive to saving bandwidth resources as much as possible.
- the single-screen conference site can also clearly view the speech video of the speech area; based on the audio control mechanism, only the application speech can be broadcasted. The sound corresponding to the area; Based on the multi-screen display mechanism, multiple application speech areas can be previewed and named at the same time.
- a conference control device 800 may include: a receiving module 810 and a video broadcasting module 820.
- the receiving module 810 is configured to receive the first area speaking request, where the first area speaking request carries the first site identifier and the first area identifier, where the site corresponding to the first site identifier includes multiple areas, where The site corresponding to the first site identifier belongs to the first conference, and the first area identifier is the area identifier of the application speaking area in the site corresponding to the first site identifier.
- a determining module 820 configured to determine whether the application area for the first area identifier is allowed to be sent
- the video broadcast module 830 is configured to: when the determining module 820 determines that the requesting area of the first area identifier is allowed to speak, to broadcast the conference terminal of the at least one other venue except the first site identifier in the first conference.
- the conference control device 800 may be an MCU with a conference control function on the network side. If the conference control device 800 is a network side conference control device, the determining module 820 may include: a sending submodule and a first determining submodule (not shown).
- the sending sub-module is configured to forward the first regional speaking request to the conference terminal of the chair site of the first conference;
- a first determining sub-module configured to: if the command sent by the site terminal of the chair site is received, the instruction to broadcast the application for the speaking area is determined, and the requesting area for the first area identifier is allowed to be spoken.
- the determining module 820 may be specifically configured to determine, according to a user instruction or a preset policy, that the application speaking area corresponding to the first area identifier is allowed to speak.
- the conference control device 800 may further include:
- An audio broadcast module configured to determine, at the determining module 820, that the application corresponding to the first area identifier is allowed to be sent When speaking in the area, the site terminal of the at least one site other than the site corresponding to the first site identifier in the first conference broadcasts the audio of the site corresponding to the first site identifier or the application floor.
- the video broadcast module 830 can include: an overlay sub-module and a broadcast sub-module (not shown).
- a superimposition sub-module configured to: when the acknowledgment is allowed to be sent in the requesting area, trigger a video corresponding to one or more other areas of the site to which the application syllabary belongs to the specified area of the spoofing area corresponding to the application uttering area to obtain a superimposed video.
- the broadcast sub-module is configured to broadcast the overlay video to the conference terminal of the at least one conference site other than the site corresponding to the first site identifier in the first conference.
- the conference control device 800 may further include:
- the application management module is configured to add, after the receiving module 810 receives the first area speaking request, the record corresponding to the first area speaking request in the statement requesting list of the first meeting, so that the determining module 820 selects the permission from the list of speaking requests.
- the first area of the speech identifies the corresponding application area.
- the receiving module 810 is further configured to: receive a second area speaking request, where the second area speaking request carries a second site identifier and a second area identifier, where the second site identifier corresponds to the conference site.
- the second conference site belongs to the first conference, and the second conference identifier is the area identifier of the application speaking area in the conference site corresponding to the second site identifier.
- the application management module is further configured to: add a record corresponding to the second area speaking request in the list of the speech application of the first meeting;
- the determining module 820 is further configured to: determine whether the application area for the second area identifier is allowed to be sent;
- the video broadcast module 830 is further configured to: when the determining module 820 determines that the requesting area of the second area identifier is allowed to speak, the venue terminal of the at least one other venue except the second site identifier corresponding to the second site identifier The speaking video corresponding to the application speaking area corresponding to the second area identifier is broadcasted.
- the conference control device 800 may further include: a first display control module or a second display control module (not shown).
- a first display control module configured to determine, at the determining module 820, that multiple application speaking areas are allowed to speak And corresponding to the display of the screen of the at least one site of the first conference, and the display of the screen of the at least one site of the first conference, so as to facilitate at least one site other than the site corresponding to the second site identifier in the first conference.
- the site terminal correspondingly displays the speech video corresponding to the application speech area allowed to speak in the screen;
- the second display control module is configured to determine, in the determining module 820, that the plurality of application speaking areas are allowed to speak, and prioritize the application for each of the allowed speaking areas, so as to be in addition to the second meeting site identifier corresponding to the second meeting site identifier
- the site terminals of at least one site of the site display the speech videos corresponding to the application speech regions allowed to speak on the screen in the order of priority ranking.
- the speech video corresponding to each speech area may be displayed by default on the corresponding screen of each site (for example, the speech video captured by the camera 1 of a certain site corresponds to the screen 1 display of each site, and the single screen site.
- the speech video sent by the site terminal corresponds to the main screen of the multi-screen site or all the screens are displayed at the same time. If there is a display conflict, the overlay can be replaced. Alternatively, you can first determine whether there is an idle screen (such as the speech of the name broadcast). The object does not correspond to the default screen. If there is, the idle screen is replaced first. If not, the overlay is replaced.
- the corresponding speech video may be displayed by default on the main screen or all screens of each site.
- the conference control device 800 (according to the user command or the preset policy) may specify the correspondence between the speech video corresponding to each application speech area and the display screen of each site, and each site displays the corresponding display screen according to the specified correspondence relationship.
- the conference control device 800 may perform priority ordering of the application speech area, and the order of priority ordering may correspond to the screen number order, and the speech video of the prior application request speech area is preferentially displayed. For example, for a single-screen site, it can display only the video of the speech of the highest priority application area.
- the conference control device 800 can also use the above display strategy in combination according to actual needs, or can also select other display strategies, which are no longer listed here.
- the conference control device 800 in this embodiment may be an MCU or a conference control management station or a conference site terminal in the foregoing method embodiment, which may be used to implement all the technical solutions in the foregoing method embodiments, and various functions thereof.
- the function of the module may be specifically implemented according to the method in the foregoing method embodiment. For the specific implementation process, refer to the related description in the foregoing embodiment, and details are not described herein again.
- the conference site is divided into one or more areas, and the conference is
- the conference control device 800 can be used to broadcast the speech video corresponding to the application speaking area to the conference terminal of the other at least one site in the conference.
- the goal of the name broadcast is improved, which is advantageous for improving the flexibility of the conference speech. Since only the speech video corresponding to the application speech area can be broadcasted, the impact on the network bandwidth can be reduced, which is beneficial to save bandwidth resources as much as possible.
- a chair site terminal 900 may include:
- the receiving module 910 is configured to receive a first area speaking request, where the first area speaking request carries a first site identifier and a first area identifier, where the site corresponding to the first site identifier includes multiple areas, where The site corresponding to the first site identifier belongs to the first conference, and the first area identifier is the area identifier of the application speaking area in the site corresponding to the first site identifier.
- a determining module 920 configured to determine whether the application area for the first area identifier is allowed to be sent
- the video broadcast module 930 is configured to trigger the media processing device to trigger at least one other venue except the first site identifier corresponding to the first site identifier in the first conference when the determining module 920 determines that the application area for the first area identifier is allowed to be uttered.
- the site terminal broadcasts a speech video corresponding to the application speech area corresponding to the first area identifier.
- the determining module 920 is specifically configured to determine, according to a user instruction or a preset policy, that the application speaking area corresponding to the first area identifier is allowed to speak.
- the chair site terminal 900 may further include:
- the audio broadcast module is configured to: when the determining module 920 determines that the requesting area of the first area identifier is allowed to speak, trigger the media processing device to send the conference site to the at least one site other than the site corresponding to the first site identifier in the first conference.
- the terminal broadcasts the audio of the site corresponding to the first site identifier or the above-mentioned application speaking area.
- the chair site terminal 900 may further include:
- the application management module is configured to add, after the receiving module 910 receives the first area speaking request, the record corresponding to the first area speaking request in the speaking application list of the first meeting, so as to select the first area allowed to speak from the list of speaking requests. Identify the corresponding application area for the application.
- the receiving module 910 is further configured to: receive a second area speaking request, where the second area speaking request carries a second site identifier and a second area identifier, where the second site identifier is The application site includes a plurality of areas, and the second site belongs to the first conference, and the second area identifier is an area identifier of the application speaking area in the site corresponding to the second site identifier;
- the application management module is further configured to: add a record corresponding to the second area speaking request in the list of the speech application of the first meeting;
- the determining module 920 is further configured to: determine whether the application area for the second area identifier is allowed to be sent;
- the video broadcast module 930 is further configured to: when the determining module 920 determines to allow the application area of the second area identifier to speak, trigger the media processing device to send at least one of the first conferences except the second conference site identifier corresponding to the second conference site identifier.
- the site terminal of the site broadcasts the speech video corresponding to the application speech area corresponding to the second area identifier.
- the chair site terminal 900 may further include: a third display control module or a fourth display control module (not shown).
- a first display control module configured to: when the determining module 920 determines that the plurality of application speaking areas are allowed to speak, specify a display correspondence between the speaking video corresponding to each of the application speaking areas allowed to speak and the screen of the at least one meeting place of the first meeting, The site terminal of the at least one site other than the site corresponding to the second site identifier in the first conference is displayed according to the display correspondence corresponding to the foregoing, and the speech video corresponding to each of the application speech regions allowed to speak is displayed on the screen;
- the second display control module is configured to determine, in the determining module 920, that the plurality of application speaking areas are allowed to be spoken, and prioritize the application for each of the allowed speaking areas, so as to be in addition to the second meeting site identifier corresponding to the second meeting site identifier
- the site terminals of at least one site of the site display the speech videos corresponding to the application speech regions allowed to speak on the screen in the order of priority ranking.
- the speech video corresponding to each speech area may be displayed by default on the corresponding screen of each site (for example, the speech video captured by the camera 1 of a certain site corresponds to the screen 1 display of each site, and the single screen site.
- the speech video sent by the site terminal corresponds to the main screen of the multi-screen site or all the screens are displayed at the same time. If there is a display conflict, the overlay can be replaced. Alternatively, you can first determine whether there is an idle screen (such as the speech of the name broadcast). The object does not correspond to the default screen. If there is, the idle screen is replaced first. If not, the overlay is replaced.
- the corresponding speech video may be displayed by default on the main screen or all screens of each site.
- the chair site terminal 900 (according to a user instruction or a preset policy) specifies that each application speaking area corresponds to The corresponding relationship between the speech video and the display screen of each site, each site displays the speech video corresponding to the corresponding application speech area on the corresponding display screen according to the specified correspondence relationship.
- the chair site terminal 900 can perform priority ordering of the application speech area, and the order of priority ordering can be corresponding to the screen number order, and the speech video of the prior application request speech area is preferentially displayed. For example, for a single-screen site, it can display only the speech video of the highest priority application area.
- the chair site terminal 900 can also use the above display policies in combination according to actual needs, or can also select other display policies, which are not listed here.
- the chair site terminal 900 in this embodiment may be the chair site terminal in the foregoing method embodiment, which may be used to implement all the technical solutions in the foregoing method embodiments, and the functions of the respective function modules may be according to the foregoing method.
- the method in the embodiment is specifically implemented.
- the conference site is divided into one or more areas, and the conference is applied for the conference according to the area.
- the conference site terminal 900 can trigger the media processing device when allowing the conference area to speak in a certain conference site.
- the session video corresponding to the application floor area is broadcasted only to the site terminal of the other at least one site in the conference.
- the processing mechanism refines the target of the name broadcast, which is advantageous for improving the flexibility of the conference speech, and
- the speech video can reduce the impact on the network bandwidth, which is beneficial to save bandwidth resources as much as possible. Referring to FIG.
- an embodiment of the present invention further provides a speech requesting device 1000, which may include: an obtaining module 1010, configured to obtain a first site identifier and a first area identifier, where the site corresponding to the first site identifier includes multiple The area corresponding to the first site identifier belongs to the first conference, and the first area identifier is the area identifier of the application speaking area in the conference site corresponding to the first site identifier.
- the sending module 1020 is configured to generate and send a first area speaking request carrying the first site identifier and the first area identifier, so that the conference control device receives the first area speaking request; if it is determined that the first area identifier is allowed When the corresponding application area is spoken, the conference terminal of the at least one site other than the site corresponding to the first site identifier in the first conference is broadcasted to broadcast the speech video corresponding to the application speaking area.
- the floor requesting device 1010 may be a site terminal or other device. It can be understood that the floor requesting device 1010 of this embodiment may be as in the foregoing method embodiment.
- the site terminal a which can be used to implement all the technical solutions in the foregoing method embodiments, and the functions of the respective functional modules can be specifically implemented according to the method in the foregoing method embodiment, and the specific implementation process can refer to the relevant in the foregoing embodiments. Description, no longer repeat here.
- a conference system provided by an embodiment of the present invention may include:
- the conference application device 1110 is configured to obtain the first site identifier and the first area identifier, where the site corresponding to the first site identifier includes multiple areas, and the site corresponding to the first site identifier belongs to the first conference.
- the first area identifier is an area identifier of the application floor area in the site corresponding to the first site identifier; and the first area floor request carrying the first site identifier and the first area identifier is generated and sent;
- the conference control device 1120 is configured to receive the first area conference request, and if it is determined that the application area corresponding to the first area identifier is allowed to speak, trigger the media processing device or the first conference to delete the first conference identifier corresponding to the first conference site identifier.
- the conference terminal of at least one other site outside the conference site broadcasts the speech video corresponding to the application speaking area.
- the conference control device 1120 is further configured to: when it is determined that the application area of the application area corresponding to the first area identifier is allowed to be uttered, trigger the media processing device or the other one of the at least one conference site other than the site corresponding to the first site identifier in the first conference.
- the site terminal broadcasts the audio of the application speaking area corresponding to the site corresponding to the first site identifier or the first area identifier.
- the conference control device 1120 triggers the media processing device to superimpose the specified area of the speech video corresponding to the application speech area corresponding to the first area identifier when determining that the application area for the first area identifier is allowed to be uttered.
- the video corresponding to the other one or more areas of the site to which the application area belongs is obtained, and the media processing device or the site of the at least one site other than the site corresponding to the first site identifier is triggered by the media processing device.
- the terminal broadcasts the above overlay video.
- the conference control device 1120 is further configured to: if it is determined that a plurality of application floor regions are allowed to speak, specify a speech video corresponding to each of the application speech regions allowed to speak and display a screen of at least one site of the first conference. Corresponding relationship, so that the site terminal of the at least one site of the first conference can display the speech video corresponding to the request speech area of each allowed speech according to the display correspondence corresponding to the above-mentioned specified; or, if it is determined that multiple applications are allowed Speaking area In other words, the application speech areas of each of the allowed speeches are prioritized so as to facilitate the speech video corresponding to the at least the application speech area of the first conference.
- the speech video corresponding to each speech area may be displayed by default on the corresponding screen of each site (for example, the speech video captured by the camera 1 of a certain site corresponds to the screen 1 display of each site, and the single screen site.
- the speech video sent by the site terminal corresponds to the main screen of the multi-screen site or all the screens are displayed at the same time. If there is a display conflict, the overlay can be replaced. Alternatively, you can first determine whether there is an idle screen (such as the speech of the name broadcast). The object does not correspond to the default screen. If there is, the idle screen is replaced first. If not, the overlay is replaced.
- the corresponding speech video may be displayed by default on the main screen or all screens of each site.
- the conference control device 1120 (according to the user command or the preset policy) may specify the correspondence between the speech video corresponding to each application speech area and the display screen of each site, and each site displays the corresponding display screen according to the specified correspondence relationship.
- the conference control device 1120 may perform priority ordering of the application for the speech area, and the order of the priority order may correspond to the screen number order, and the speech video of the prior application speech area of the prioritization is preferentially displayed. For example, for a single-screen site, it can display only the speech video of the highest priority application speech area.
- the conference control device 1120 can also use the above display policies in combination according to actual needs, or can also select other display policies, which are not listed here.
- the floor application device 1110 may be a site terminal or other device
- the conference control device 1120 may be a conference control management station or a multipoint control unit or a chair site terminal.
- the conference site is divided into one or more areas, and the conference is applied for the conference according to the area.
- the conference server may send the conference site to other conference sites.
- the conference terminal only broadcasts the speech video corresponding to the application speech area, and the processing mechanism refines the target of the naming broadcast, which is advantageous for improving the flexibility of the conference speech, and can be reduced only because the speech video corresponding to the application speech area can be broadcasted.
- the impact on network bandwidth is conducive to saving bandwidth resources as much as possible.
- the single-screen conference site can also clearly view the speech video of the speech area; based on the audio control mechanism, only the application speech can be broadcasted. The sound corresponding to the area; based on the multi-screen display mechanism, You can preview and name multiple application speech areas at the same time.
- the program can be stored in a computer readable storage medium.
- the storage medium can include: Read-only memory, random access memory, disk or optical disk, etc.
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- Computer Networks & Wireless Communication (AREA)
- General Engineering & Computer Science (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Telephonic Communication Services (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
Description
Claims
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BR112012026581A BR112012026581A2 (pt) | 2010-10-29 | 2011-10-21 | método de controle de conferência e sistema e aparelho relevante. |
RU2012147842/08A RU2533304C2 (ru) | 2010-10-29 | 2011-10-21 | Способ управления конференц-связью и относящиеся к нему устройство и система |
US13/624,454 US8564637B2 (en) | 2010-10-29 | 2012-09-21 | Conference control method, and relevant apparatus and system |
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RU2012147842A (ru) | 2014-05-27 |
CN102469295B (zh) | 2015-03-11 |
RU2533304C2 (ru) | 2014-11-20 |
AU2011320410A1 (en) | 2012-10-18 |
US8564637B2 (en) | 2013-10-22 |
US20130016174A1 (en) | 2013-01-17 |
EP2541928A1 (en) | 2013-01-02 |
BR112012026581A2 (pt) | 2016-07-12 |
AU2011320410B2 (en) | 2014-05-22 |
CN102469295A (zh) | 2012-05-23 |
EP2541928A4 (en) | 2013-08-21 |
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