Method, system and application server for converting media capabilities in video conferencing
An application server and video conferencing technology, applied in the direction of video conferencing system, transmission system, two-way working system, etc., can solve the problems of unable to improve media quality, unable to maintain the quality of terminal video conference, etc., to achieve the effect of ensuring experience
Active Publication Date: 2017-09-26
ZTE CORP
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Problems solved by technology
[0007] During the meeting, due to the impact of various external conditions, the network status between the participating terminals (such as mobile terminals) and the VIG directly connected to it will change. The network jitter smoothing technology cannot maintain the original video conference quality of the terminal (the current media capability of the terminal decreases), or when the network condition improves, the video conference quality can be improved to a higher level within the range supported by the terminal capability set (The current media capability of the terminal is increased), and in the current video conference, it is impossible to maintain an acceptable media quality when the network condition deteriorates, and it is impossible to improve the existing media quality when the network condition improves
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[0041]In this embodiment, under the control of the application server (AppServer), the VIG and the MCU determine the media used between the VIG and the terminal according to the media capabilities of each terminal and the network conditions between each terminal and the directly connected VIG. Ability to carry out two-way transmission of media. When the network condition between the terminal and the VIG directly connected to it declines, the media capability between the VIG and the terminal is adjusted in time to ensure normal service and user experience; when the terminal and the VIG directly connected to it When the network condition rises, the user experience is improved by adjusting the media capability between the VIG and the terminal.
[0042] In this embodiment, each participating terminal needs to dynamically report the network status between the respective VIGs to the application server at regular intervals, and the application server sets a network status reporting t...
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The invention discloses a method and a system for converting media capability in a video conference, and an application server. The method comprises that: the application server determines whether network statuses of participating terminals are changed or not and informs a multipoint control unit of current network statuses of the participating terminals of which the network statuses are changed and a media capability set. In the multiparty video conference, the application server determines whether the network statuses of the participating terminals are changed or not, thereby regulating current media capability according to the current network statuses of the participating terminals and the media capability set to effectively ensure the smoothness of the video conference in real time and maximally ensure user experiences at the same time.
Description
technical field [0001] The invention relates to the technical field of video conferencing, in particular to a method, system and application server for converting media capabilities in video conferencing. Background technique [0002] There are many kinds of video services in the 3G (3rd-Generation, third-generation mobile communication technology) era, and video conferencing is one of them. Due to reasons such as access mode, bearer mode, terminal type, and the capability of the network where the terminal is located in a video conference, the requirements for media transmission and media format in each node and direction in a video conference are quite different. Moreover, during the entire video conference process, there may be situations where the network status of the participating terminals changes due to various reasons. [0003] Such as figure 1 As shown, for a 3G video conference, within a certain period of time, the network condition between terminal A and the dir...
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IPC IPC(8): H04N7/15H04L29/06
Inventor 黄升旗田路丁向军
Owner ZTE CORP