Real-time communication transmission method and device, real-time communication processing method and device
A technology of real-time communication and transmission method, applied in image communication, digital video signal modification, selective content distribution, etc., can solve the problems of excessive decoding delay, poor timeliness of real-time audio and video communication, etc., to improve timeliness, reduce Encoding and decoding delay, solving the effect of excessive decoding delay
Active Publication Date: 2021-06-22
BEIJING KINGSOFT CLOUD NETWORK TECH CO LTD
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[0006] The present application provides a real-time communication transmission method and device, and a real-time communication processing method and device, to at least solve the problem of poor timeliness of real-time audio and video communication caused by excessive decoding delay in the encoding and decoding methods in the related art
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[0036] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only Embodiments of a part of the application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.
[0037] It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that th...
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The present application provides a real-time communication transmission method and device, and a real-time communication processing method and device, wherein the real-time communication transmission method includes: collecting audio and video through a target collection device corresponding to the first client, and obtaining the The first audio and video transmitted; encoding the first audio and video to obtain a first video stream, wherein the non-key frames in the first audio and video only refer to the key frames in the same image group for encoding; through the the real-time communication connection between the first client and the second client, and transmit the first video stream to the second client. Through this application, the problem of poor timeliness of real-time audio and video communication caused by excessive decoding delay in the codec method in the related art is solved.
Description
technical field [0001] The technical field of communication of the present application, in particular, relates to a real-time communication transmission method and device, and a real-time communication processing method and device. Background technique [0002] In real-time audio and video communication (RTC) scenarios, latency is an important technical indicator. When optimizing latency metrics, it is necessary to consider both control costs and not affecting user experience (ie, subjective video quality). [0003] In the related art, the RTC low-latency technology reduces the encoding delay at the acquisition end by adopting the LDP encoding configuration. figure 1 The frame types of the LDP encoding method and the reference relationship between frames are shown. like figure 1 As shown, the direction of the arrow indicates that it is referenced. Taking the frame with POC=3 as an example, it needs to refer to the 0th frame (long-term reference frame) and the 2nd frame (s...
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IPC IPC(8): H04N19/147H04N19/177H04N19/70H04N21/2343H04N21/4402H04N21/6437
CPCH04N21/2343H04N21/4402H04N21/6437H04N19/147H04N19/177H04N19/70
Inventor 张文杰豆修鑫徐琴琴宋嘉文樊鸿飞
Owner BEIJING KINGSOFT CLOUD NETWORK TECH CO LTD