CN106713820B - Broadcast frequency switching method and device for satellite video conference - Google Patents
Broadcast frequency switching method and device for satellite video conference Download PDFInfo
- Publication number
- CN106713820B CN106713820B CN201611075243.7A CN201611075243A CN106713820B CN 106713820 B CN106713820 B CN 106713820B CN 201611075243 A CN201611075243 A CN 201611075243A CN 106713820 B CN106713820 B CN 106713820B
- Authority
- CN
- China
- Prior art keywords
- frequency
- broadcast
- modem
- broadcast frequency
- new
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
- H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
Abstract
The invention provides a broadcast frequency switching method and a broadcast frequency switching device for a satellite video conference, which comprise the following steps: the video conference controller applies for a new broadcast frequency to a network manager, and the network manager is used for managing satellite frequency resources; releasing the transmission of the current broadcast modem; sending the new broadcast frequency to the current broadcast modem, and opening the sending of the new broadcast frequency; the reception of the terminal modem is turned on according to the new broadcast frequency. According to the broadcast frequency switching method for the satellite video conference, the frequency switching of the satellite terminal broadcast modem is directly controlled through a video conference controller (MCU), so that the time required by the broadcast frequency switching can be reduced to the greatest extent, and the influence of the original broadcast frequency on the video conference when influenced by external factors can be reduced to the greatest extent. In addition, the broadcast frequency switching method of the satellite video conference directly utilizes the original broadcast modem to complete frequency switching, and can fully utilize limited modem resources.
Description
Technical Field
The invention relates to the technical field of satellite video conferences, in particular to a broadcast frequency switching method and a broadcast frequency switching device for a satellite video conference.
Background
In the satellite dispersed video conference, the satellite link is locked by using the broadcast frequency applied to the satellite network management to the receiving points of different places so as to establish the satellite link, so that a modem (modem) can be used for broadcasting the code stream, and the data and the audio and video code stream can be transmitted to an opposite terminal more quickly and effectively to complete the audio and video conference.
The invention patent application with publication number CN103347164A discloses a real-time satellite resource management method in a satellite video conference, which comprises the following steps: (1) conference creation: a video conference system controller initiates a conference request to apply for frequency to a satellite network manager; (2) satellite network management distribution frequency: the satellite network manager receives a conference creation application request, and after the application is successful, the satellite network manager allocates a frequency broadband required by the video conference system controller; (3) adjusting MODEM to establish satellite data link: the video conference system controller receives the frequency bandwidth required by the conference, starts to dial a MODEM (modulator-demodulator), sets the sending frequency of the local idle MODEM, sets the receiving frequencies of the MODEMs on all terminal sides to be consistent with the sending frequency, and establishes a one-way data communication link from the video conference controller to the terminal; (4) speaking or watching during a videoconference.
However, the broadcasting frequency of the audio-video data broadcasting may not be normally performed due to the influence of external factors. At this time, a method for switching the broadcasting frequency is needed to ensure the normal continuation of the satellite video conference.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is that the broadcasting frequency of the satellite video conference is influenced by the outside world, so that the video conference can not be normally carried out.
Therefore, the embodiment of the invention provides the following technical scheme:
a broadcast frequency switching method for a satellite video conference comprises the following steps:
applying for a new broadcast frequency to a network manager, wherein the network manager is used for managing satellite frequency resources;
releasing the transmission of the current broadcast modem;
sending the new broadcast frequency to the current broadcast modem, and opening the sending of the new broadcast frequency;
the reception of the terminal modem is turned on according to the new broadcast frequency.
Optionally, the step of applying for a new broadcast frequency from the network manager includes:
determining the number and frequency range of the broadcasting frequencies required to be applied according to the current conference type;
and applying for the required broadcast frequency as a new broadcast frequency from the network manager.
Optionally, the step of applying for a new broadcast frequency to the network manager further includes:
the network manager judges whether the frequency can be distributed according to the number and the frequency range of the broadcasting frequency applied by the video conference controller according to the current frequency use condition;
if so, the corresponding frequency is assigned and the frequency is recorded as occupied.
Optionally, the step of releasing the transmission of the current broadcast modem comprises:
storing the original broadcast frequency;
and determining the current broadcast modem according to the original broadcast frequency.
Optionally, the step of issuing the new broadcast frequency to the current broadcast modem and opening its transmission comprises:
resetting the broadcasting frequency of the current broadcasting modem through the serial server, and setting the current broadcasting modem to enter a sending state.
Optionally, the step of turning on reception of the terminal modem according to the new broadcast frequency comprises:
releasing the reception of the terminal modem;
setting a new receiving frequency consistent with the new broadcasting frequency in the terminal modem;
the terminal modem is set to enter a receiving state.
A broadcast frequency switching apparatus for a satellite video conference, comprising:
the application unit is used for applying for a new broadcast frequency to a network manager, and the network manager is used for managing satellite frequency resources;
a transmission release unit for releasing transmission of the current broadcast modem;
the issuing and opening unit is used for issuing the new broadcast frequency to the current broadcast modem and opening the sending of the new broadcast frequency;
and the opening unit is used for opening the receiving of the terminal modem according to the new broadcasting frequency.
Optionally, the application unit includes:
the first determining subunit is used for determining the number and the frequency range of the broadcasting frequencies required to be applied according to the current conference type;
and the application subunit is used for applying the required broadcast frequency as the new broadcast frequency to the network manager.
Optionally, the transmission releasing unit includes:
a storing subunit, configured to store an original broadcast frequency;
and the second determining subunit is used for determining the current broadcast modem according to the original broadcast frequency.
Optionally, the opening unit comprises:
a reception release subunit, configured to release reception of the terminal modem;
a setting subunit, configured to set a new receiving frequency in the terminal modem, which is consistent with the new broadcasting frequency;
and the receiving setting subunit is used for setting the terminal modem to enter a receiving state.
The technical scheme of the invention has the following advantages:
1. in the broadcast frequency switching method for the satellite video conference, provided by the embodiment of the invention, in the process of the satellite video conference, if the video conference cannot be normally performed due to the influence of external factors on the broadcast frequency, the video conference controller applies for a new broadcast frequency to a network manager, then releases the sending of the current broadcast modem, issues the new broadcast frequency to the broadcast modem and opens the sending, so that the frequency switching of the satellite-side broadcast modem is completed, and then switches the receiving frequency of the terminal modem according to the new broadcast frequency, so that the video conference is performed by using the new broadcast frequency. According to the broadcast frequency switching method for the satellite video conference, the frequency switching of the satellite terminal broadcast modem is directly controlled through a video conference controller (MCU), so that the time required by the broadcast frequency switching can be reduced to the greatest extent, and the influence of the original broadcast frequency on the video conference when influenced by external factors can be reduced to the greatest extent. In addition, the broadcast frequency switching method of the satellite video conference directly utilizes the original broadcast modem to complete frequency switching, and can fully utilize limited modem resources.
2. In the broadcast frequency switching method for the satellite video conference, provided by the embodiment of the invention, in order to reasonably utilize limited satellite terminal broadcast modem resources, for a video conference link with an affected original broadcast frequency, the original broadcast frequency needs to be stored so as to determine the broadcast modem needing frequency switching according to the original broadcast frequency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a flowchart of a broadcast frequency switching method for a satellite video conference according to embodiment 1 of the present invention;
fig. 2 is a flowchart of a broadcast frequency switching method for a satellite video conference according to embodiment 2 of the present invention;
FIG. 3 is a network architecture diagram of a simulated satellite multipoint video conferencing system to which embodiments of the present invention are applicable;
FIG. 4 is a schematic diagram of a satellite modem and a terminal modem in the analog satellite multipoint video conferencing system of FIG. 3;
fig. 5 is a schematic block diagram of a broadcast frequency switching device for a satellite video conference according to embodiment 3 of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
As shown in fig. 1, the present embodiment provides a broadcast frequency switching method for a satellite video conference, which is executed by a video conference controller (MCU), and specifically includes the following steps:
s11: applying for a new broadcast frequency from a network manager, wherein the network manager is used for managing satellite frequency resources, and the video conference controller can be a Multipoint Control Unit (MCU);
s12: releasing the transmission of the current broadcast modem;
s13: sending the new broadcast frequency to the current broadcast modem, and opening the sending of the new broadcast frequency;
s14: the reception of the terminal modem is turned on according to the new broadcast frequency.
In the broadcast frequency switching method for the satellite video conference, in the process of the satellite video conference, if the video conference cannot be normally performed due to the influence of the broadcast frequency by external factors, the video conference controller applies for a new broadcast frequency to a network manager, then releases the transmission of the current broadcast modem, and issues the new broadcast frequency to the broadcast modem and opens the transmission, thereby completing the frequency switching of the satellite-side broadcast modem, and then re-establishes a satellite link according to the receiving frequency of the new broadcast frequency switching terminal modem, thereby implementing the video conference by using the new broadcast frequency. According to the broadcast frequency switching method for the satellite video conference, the frequency switching of the satellite terminal broadcast modem is directly controlled through a video conference controller (MCU), so that the time required by the broadcast frequency switching can be reduced to the greatest extent, and the influence of the original broadcast frequency on the video conference when influenced by external factors can be reduced to the greatest extent. In addition, the broadcast frequency switching method of the satellite video conference directly utilizes the original broadcast modem to complete frequency switching, and can fully utilize limited modem resources.
As a specific implementation manner, the step S11, namely, the step of applying for the new broadcast frequency to the network manager, includes:
firstly, the video conference controller determines the number and frequency range of the broadcasting frequencies required to be applied according to the current conference type;
then, the video conference controller applies for the required broadcast frequency as a new broadcast frequency to the network manager.
Further, step S11 includes:
the network manager judges whether the frequency can be distributed according to the number and the frequency range of the broadcasting frequency applied by the video conference controller according to the current frequency use condition;
if so, the corresponding frequency is assigned and the frequency is recorded as occupied.
One satellite frequency can only carry one kind of information, and the satellite frequency resource is limited, so a special satellite network manager is needed for distribution and recovery. When the original broadcast frequency is affected by the outside, a new broadcast frequency needs to be applied to the satellite network manager, and the satellite network manager can only allocate the frequency which is not occupied currently to the video conference and can not allocate the frequency which is occupied by other video conferences, so that the mutual influence among the video conferences is avoided. The video conference meeting which has finished recovers the occupied frequency, and the video conference which is switched to the new broadcast frequency also recovers the original broadcast frequency, so that the idle frequencies can be distributed when other video conferences apply for satellite frequencies, and limited satellite frequency resources are fully utilized.
As another specific implementation, the step S12, namely, the step of releasing the transmission of the current broadcast modem, includes:
firstly, storing original broadcast frequency;
then, the current broadcast modem is determined according to the original broadcast frequency.
In this embodiment, in order to reasonably utilize limited satellite-side broadcast modem resources, for a video conference link whose original broadcast frequency is affected, the original broadcast frequency needs to be saved to determine a broadcast modem that needs to be frequency-switched according to the original broadcast frequency. For a plurality of broadcast modems using the original broadcast frequency, a switch to the new broadcast frequency is required.
As another specific implementation manner, in the step S13, the step of issuing the new broadcast frequency to the current broadcast modem and opening the transmission thereof includes:
the video conference controller resets the broadcasting frequency of the current broadcasting modem through the serial server and sets the current broadcasting modem to enter a sending state. The serial port of the serial server is connected with the serial port of the current broadcast modem, the Ethernet interface of the serial server is connected to the network where the video conference controller is located, namely, the video conference controller can control the serial server through the network so as to control the broadcast modem.
Specifically, the step S14, namely the step of turning on the reception of the terminal modem according to the new broadcast frequency, is specifically implemented by the video conference controller controlling the terminal modem through the terminal serial server. The serial port of the terminal serial port server is connected with the serial port of the terminal modem, one terminal serial port server corresponds to one terminal modem, and the Ethernet interface of the terminal serial port server is connected to the network where the video conference controller is located. The method specifically comprises the following steps:
firstly, releasing the reception of the terminal modem;
then, setting a new receiving frequency consistent with the new broadcasting frequency in the terminal modem;
and finally, setting the terminal modem to enter a receiving state.
Example 2
As shown in fig. 2, the present embodiment provides a broadcast frequency switching method for a satellite video conference, which specifically includes the following steps:
s21: the video conference controller stores the original broadcast frequency, and can be specifically stored in a memory of a video conference controller (MCU).
S22: the video conference controller determines the number and frequency range of broadcast frequencies to be applied according to the current conference type. For example, a conference in the K band requires 1 broadcast frequency, and a conference in the K + c band requires two broadcast frequencies.
S23: the video conference controller applies the required broadcast frequency to the network manager as a new broadcast frequency.
S24: and the network manager judges whether the frequency can be distributed according to the number and the frequency range of the broadcasting frequencies applied by the video conference controller according to the current frequency use condition.
S25: if the idle frequency can meet the application of the new broadcast frequency, the idle frequency is allocated as the new broadcast frequency, and the occupied frequency is recorded. The new broadcast frequency may also be stored in a memory of a video conference controller (MCU).
S26: and the video conference controller determines the current broadcast modem according to the original broadcast frequency.
S27: the videoconference controller sets the current broadcast modem into a stop sending state and may set the current broadcast modem to a default frequency.
S28: the video conference controller resets the broadcasting frequency of the current broadcasting modem through the serial server and sets the current broadcasting modem to enter a sending state.
S29: the video conference controller sets the terminal modem to enter a receiving stop state, and particularly, the receiving frequency of the terminal modem can be set as a default value;
s30: and the video conference controller resets the receiving frequency of the terminal modem to a new receiving frequency through the terminal serial server, wherein the new receiving frequency is consistent with the new broadcasting frequency.
S31: the video conference controller sets the terminal modem into a receiving state.
In the broadcast frequency switching method for the satellite video conference, in the process of the satellite video conference, if the video conference cannot be normally performed due to the influence of the broadcast frequency by external factors, the video conference controller applies for a new broadcast frequency to a network manager, then releases the transmission of the current broadcast modem, and issues the new broadcast frequency to the broadcast modem and opens the transmission, thereby completing the frequency switching of the satellite-side broadcast modem, and then re-establishes a satellite link according to the receiving frequency of the new broadcast frequency switching terminal modem, thereby implementing the video conference by using the new broadcast frequency. According to the broadcast frequency switching method for the satellite video conference, the frequency switching of the satellite terminal broadcast modem is directly controlled through a video conference controller (MCU), so that the time required by the broadcast frequency switching can be reduced to the greatest extent, and the influence of the original broadcast frequency on the video conference when influenced by external factors can be reduced to the greatest extent. In addition, the broadcast frequency switching method of the satellite video conference directly utilizes the original broadcast modem to complete frequency switching, and can fully utilize limited modem resources.
The broadcast frequency switching method for the satellite video conference can be applied to an analog satellite multipoint video conference system with a network structure shown in fig. 3. The analog satellite multipoint video conference system comprises a video conference controller (MCU) terminal, a satellite terminal conference site, an H.323 unicast terminal conference site, a ground satellite terminal conference site and an H.323 voice terminal conference site. The video conference controller end comprises a satellite modem, a serial port server, a network management server and a video conference controller, wherein a V35 interface of a VRI panel on a rear panel of the video conference controller (KDV8000A) is connected with a J3 interface of the satellite modem through a V35 cable, the J6 interface of the satellite modem is connected with a COM1 interface of the serial port server through a cable, a 10Base-T interface of the serial port server is connected to the Ethernet through a network cable, and the video conference controller is also connected to the Ethernet through the network cable. The satellite terminal meeting place comprises a satellite modem and a serial server.
In addition, in the analog video conference system, a satellite side may have a plurality of satellite modems (including a broadcast modem and a backhaul modem), and a terminal side may also have a plurality of terminal modems. As shown in fig. 4, in interfaces of all satellite modems are connected to in interfaces of respective terminal modems through one microwave element, and out interfaces of all satellite modems are connected to out interfaces of all terminal modems through another microwave element. Wherein the microwave element is used for simulating satellite signals.
The analog satellite multipoint video conference system can be used for testing a broadcast frequency switching method of the satellite video conference.
Example 3
As shown in fig. 5, the present embodiment provides a broadcast frequency switching apparatus for a satellite video conference, including:
an application unit U1, configured to apply for a new broadcast frequency to a network manager, where the network manager is configured to manage satellite frequency resources;
a transmission release unit U2 for releasing transmission of the current broadcast modem;
a issuing and opening unit U3, configured to issue the new broadcast frequency to the current broadcast modem, and open its transmission;
a turn-on unit U4 for turning on the reception of the terminal modem according to the new broadcast frequency.
In the broadcast frequency switching device for a satellite video conference provided by this embodiment, in the process of a satellite video conference, if the video conference cannot be normally performed due to the influence of external factors on the broadcast frequency, the video conference controller applies for a new broadcast frequency to a network manager, then releases the transmission of the current broadcast modem, and issues the new broadcast frequency to the broadcast modem and opens the transmission, thereby completing the frequency switching of the satellite-side broadcast modem, and then re-establishes a satellite link according to the receiving frequency of the new broadcast frequency switching terminal modem, thereby implementing the video conference by using the new broadcast frequency. According to the broadcast frequency switching device for the satellite video conference, the frequency switching of the satellite terminal broadcast modem is directly controlled through a video conference controller (MCU), so that the time required by the broadcast frequency switching can be reduced to the greatest extent, and the influence of the original broadcast frequency on the video conference when influenced by external factors can be reduced to the greatest extent. In addition, the broadcast frequency switching device of the satellite video conference directly utilizes the original broadcast modem to complete frequency switching, and can fully utilize limited modem resources.
As one of the alternative embodiments, the application unit U1 includes:
the first determining subunit is used for determining the number and the frequency range of the broadcasting frequencies required to be applied according to the current conference type;
and the application subunit is used for applying the required broadcast frequency as the new broadcast frequency to the network manager.
As another alternative embodiment, the transmission releasing unit U2 includes:
a storing subunit, configured to store an original broadcast frequency;
and the second determining subunit is used for determining the current broadcast modem according to the original broadcast frequency.
As other alternative embodiments, the opening unit U4 includes:
a reception release subunit, configured to release reception of the terminal modem;
a setting subunit, configured to set a new receiving frequency in the terminal modem, which is consistent with the new broadcasting frequency;
and the receiving setting subunit is used for setting the terminal modem to enter a receiving state.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A broadcast frequency switching method for a satellite video conference is characterized by comprising the following steps:
applying for a new broadcast frequency to a network manager, wherein the network manager is used for managing satellite frequency resources;
releasing the transmission of the current broadcast modem;
sending the new broadcast frequency to the current broadcast modem, and opening the sending of the new broadcast frequency;
and opening the receiving of the terminal modem according to the new broadcasting frequency.
2. The method of claim 1, wherein the step of applying for a new broadcast frequency from a network manager comprises:
determining the number and frequency range of the broadcasting frequencies required to be applied according to the current conference type;
and applying the required broadcast frequency to the network manager as the new broadcast frequency.
3. The method of claim 2, wherein the step of applying for a new broadcast frequency from the network manager further comprises:
the network manager judges whether the frequency can be distributed according to the number and the frequency range of the broadcast frequency applied by the video conference controller according to the current frequency use condition;
if so, the corresponding frequency is assigned and the frequency is recorded as occupied.
4. The broadcast frequency switching method for satellite video conferencing of any of claims 1-3, wherein the step of releasing the transmission of the current broadcast modem comprises:
storing the original broadcast frequency;
and determining the current broadcast modem according to the original broadcast frequency.
5. The method for switching broadcasting frequency of satellite video conference according to any of claims 1-3, wherein the step of sending the new broadcasting frequency down to the current broadcasting modem and turning on its transmission comprises:
resetting the broadcasting frequency of the current broadcasting modem through a serial server, and setting the current broadcasting modem to enter a sending state.
6. The broadcast frequency switching method for satellite video conferencing according to any of claims 1 to 3, wherein the step of turning on reception of the terminal modem according to the new broadcast frequency comprises:
releasing the reception of the terminal modem;
setting a new reception frequency in the terminal modem in accordance with the new broadcast frequency;
and setting the terminal modem to enter a receiving state.
7. A broadcast frequency switching apparatus for a satellite video conference, comprising:
an application unit, configured to apply for a new broadcast frequency to a network manager, where the network manager is configured to manage a satellite frequency resource;
a transmission release unit for releasing transmission of the current broadcast modem;
a sending and opening unit, configured to send the new broadcast frequency to the current broadcast modem, and open the sending of the new broadcast frequency;
and the opening unit is used for opening the receiving of the terminal modem according to the new broadcasting frequency.
8. The apparatus of claim 7, wherein the requesting unit comprises:
the first determining subunit is used for determining the number and the frequency range of the broadcasting frequencies required to be applied according to the current conference type;
and the application subunit is used for applying the required broadcast frequency to the network manager as the new broadcast frequency.
9. The broadcast frequency switching apparatus for satellite video conferencing according to claim 7 or 8, wherein the transmission releasing unit comprises:
a storing subunit, configured to store an original broadcast frequency;
and the second determining subunit is used for determining the current broadcast modem according to the original broadcast frequency.
10. The broadcast frequency switching apparatus for satellite video conferencing according to claim 7 or 8, wherein the opening unit comprises:
a reception release subunit, configured to release reception of the terminal modem;
a setting subunit, configured to set, in the terminal modem, a new reception frequency that coincides with the new broadcast frequency;
and the receiving and setting subunit is used for setting the terminal modem to enter a receiving state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611075243.7A CN106713820B (en) | 2016-11-29 | 2016-11-29 | Broadcast frequency switching method and device for satellite video conference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611075243.7A CN106713820B (en) | 2016-11-29 | 2016-11-29 | Broadcast frequency switching method and device for satellite video conference |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106713820A CN106713820A (en) | 2017-05-24 |
| CN106713820B true CN106713820B (en) | 2020-02-07 |
Family
ID=58935113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611075243.7A Active CN106713820B (en) | 2016-11-29 | 2016-11-29 | Broadcast frequency switching method and device for satellite video conference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106713820B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2389449Y (en) * | 1999-09-08 | 2000-07-26 | 信息产业部电子第五十四研究所 | Conference television network management apparatus |
| CN101370113A (en) * | 2008-10-08 | 2009-02-18 | 广东威创视讯科技股份有限公司 | Resource management method and apparatus for video conference access media server |
| WO2011112640A2 (en) * | 2010-03-08 | 2011-09-15 | Vumanity Media Llc | Generation of composited video programming |
| CN102891980A (en) * | 2012-11-01 | 2013-01-23 | 中国电子科技集团公司第五十四研究所 | Route allocation method of satellite IP (Internet Protocol) video conference system |
| CN103347164A (en) * | 2013-05-31 | 2013-10-09 | 苏州科达科技股份有限公司 | Satellite resource real-time management method for satellite video conference |
| CN103428784A (en) * | 2013-06-18 | 2013-12-04 | 北京山竹科技有限公司 | Satellite communication network management and intelligent scheduling system and carrier wave switching method thereof |
| CN103518363A (en) * | 2011-05-12 | 2014-01-15 | 夏普株式会社 | Output system and display system |
| CN104601932A (en) * | 2015-01-13 | 2015-05-06 | 航天数字传媒有限公司 | Satellite video conference system and method |
| CN104678408A (en) * | 2015-02-05 | 2015-06-03 | 清华大学 | Satellite borne navigation receiver time service method, time service type satellite borne navigation receiver and satellite borne navigation application system |
| CN105992052A (en) * | 2015-03-16 | 2016-10-05 | 兆赫电子股份有限公司 | Automatic updating satellite television signal distribution device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7487532B2 (en) * | 2003-01-15 | 2009-02-03 | Cisco Technology, Inc. | Optimization of a full duplex wideband communications system |
| CN101488888B (en) * | 2009-02-27 | 2011-10-05 | 中国电子科技集团公司第五十四研究所 | Design method for remote network management system of unattended operation satellite communication earth station |
| KR101728911B1 (en) * | 2010-01-05 | 2017-04-20 | 엘지전자 주식회사 | Method for connecting video communication to other device, video communication apparatus and display apparatus thereof |
-
2016
- 2016-11-29 CN CN201611075243.7A patent/CN106713820B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2389449Y (en) * | 1999-09-08 | 2000-07-26 | 信息产业部电子第五十四研究所 | Conference television network management apparatus |
| CN101370113A (en) * | 2008-10-08 | 2009-02-18 | 广东威创视讯科技股份有限公司 | Resource management method and apparatus for video conference access media server |
| WO2011112640A2 (en) * | 2010-03-08 | 2011-09-15 | Vumanity Media Llc | Generation of composited video programming |
| CN103518363A (en) * | 2011-05-12 | 2014-01-15 | 夏普株式会社 | Output system and display system |
| CN102891980A (en) * | 2012-11-01 | 2013-01-23 | 中国电子科技集团公司第五十四研究所 | Route allocation method of satellite IP (Internet Protocol) video conference system |
| CN103347164A (en) * | 2013-05-31 | 2013-10-09 | 苏州科达科技股份有限公司 | Satellite resource real-time management method for satellite video conference |
| CN103428784A (en) * | 2013-06-18 | 2013-12-04 | 北京山竹科技有限公司 | Satellite communication network management and intelligent scheduling system and carrier wave switching method thereof |
| CN104601932A (en) * | 2015-01-13 | 2015-05-06 | 航天数字传媒有限公司 | Satellite video conference system and method |
| CN104678408A (en) * | 2015-02-05 | 2015-06-03 | 清华大学 | Satellite borne navigation receiver time service method, time service type satellite borne navigation receiver and satellite borne navigation application system |
| CN105992052A (en) * | 2015-03-16 | 2016-10-05 | 兆赫电子股份有限公司 | Automatic updating satellite television signal distribution device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106713820A (en) | 2017-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11412320B2 (en) | Apparatus and methods for selective data network access | |
| US10560772B2 (en) | Apparatus and methods for selective data network access | |
| CN106911831B (en) | A kind of data processing method of the microphone of terminal and terminal with microphone | |
| CN102257772B (en) | Method, device and system for service configuration | |
| CN103327287B (en) | A kind of conference signal playing method and device, video conference terminal, mobile device | |
| DE10393249T5 (en) | Community network system with broadband integrated service | |
| CN102893573B (en) | A kind of method and system of preset conference | |
| US20120120179A1 (en) | Method, system and terminal for implementing wireless video conference | |
| WO2011088656A1 (en) | Method and system for implementing three-party call of videophone by mobile terminals | |
| CN110430386B (en) | Video conference system based on cloud resource pool technology and working method thereof | |
| CN104519307A (en) | Conference management system, multi-image synthesis equipment, session equipment, video conference implementing method and system | |
| CN101583021A (en) | Monitoring device used in video conferencing monitoring system | |
| CN102025973B (en) | Video synthesizing method and video synthesizing system | |
| CN109587433B (en) | Point adjusting method and point adjusting device | |
| CN109547727B (en) | Data caching method and device | |
| CN108156413B (en) | Video conference transmission method and device and MCU | |
| CN106713820B (en) | Broadcast frequency switching method and device for satellite video conference | |
| CN108965900A (en) | New media live broadcasting method and device, storage medium | |
| CN111818171A (en) | Information interaction method, device, server and platform supporting multi-party cooperative work | |
| WO2012055296A1 (en) | Broadcast control method and device in iptv | |
| US7417663B2 (en) | Videoconferencing service system, videoconferencing service operating method and service center | |
| CN103347164B (en) | Satellite resource real-time management method for satellite video conference | |
| CN110392225B (en) | Control method and video networking video conference system | |
| MX2007008251A (en) | A method and system for allocating receiving resources in a gateway server. | |
| CN206602529U (en) | A kind of multi-internet integration plateform system applied to emergent broadcast |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |