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31results about How to "Improve chat experience" patented technology

Method and system for optimizing image quality during video call

The invention discloses a method and system for optimizing image quality during a video call. The method comprises the following steps: detecting the network transmission speed between a sending end and a receiving end by receiving a video image uploaded by the sending end; if the network transmission speed is lower than or equal to a preset network speed threshold, reducing the frame rate of the video image according to the network transmission speed, and detecting the definitions of pictures in the video image; and selecting the pictures, of which the definitions are higher than or equal to a definition threshold, from the video image according to the reduced frame rate to form a key video, and sending the key video to the receiving end. The method and the system provided by the invention have the advantages that a server carries out screening of the video image to be transmitted to the receiving end when detecting poor network conditions of the sending end and the receiving end, the high-definition pictures are screened to form the key video, and the key video is transmitted to the receiving end; therefore, the download pressure of the receiving end is alleviated, the definition of the video call is ensured, the quality of the video call is improved, and a user can achieve better conversation experience even if network signals are weak.
Owner:DONGGUAN ELF EDUCATIONAL SOFTWARE CO LTD

Method, server and system for maintaining instant communication session continuity

The invention provides a method, server and system for maintaining instant communication session continuity. The method comprises the steps that when an instant communication server receives an access request of a client-side, and whether the client-side is logged in or not is detected; when the fact that the client-side is not logged in is detected, the instant communication server distributes a temporary identity for the client-side; the instant communication server detects whether the client-side is logged in or not when receiving a message sent to the temporary identity; when the fact that the client-side is not logged in is detected, the instant communication server directly transmits the message to the temporary identity; when the fact that the client-side is logged in is detected, the instant communication server sends a prompting message to a sending side of the message, wherein the prompting message contains a logged-in user identity corresponding to the temporary identity and a linkage through which the message is sent to the user identity. By means of the method, server and system for maintaining instant communication session continuity, seamless continuity of instant communication sessions before a user logs in and after the user logs in can be realized.
Owner:BEIJING QILI SOFTWARE TECH CO LTD
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