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A Congestion Control Method in Video Call

A technology for video calling and congestion control, applied in TV, image communication, two-way working systems, etc., can solve problems such as video freezes and network congestion, and achieve the effect of improving control effects and call quality.

Active Publication Date: 2020-09-15
宁波菊思网络科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The code rate refers to the number of bits (bits) transmitted per second. When the code rate exceeds the network bandwidth, it will cause network congestion and cause video freezes.

Method used

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  • A Congestion Control Method in Video Call
  • A Congestion Control Method in Video Call
  • A Congestion Control Method in Video Call

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Embodiment Construction

[0074] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0075] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0076] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0077] This embodiment relates to a congestion control method in a video call. It is applicable to the bit rate...

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Abstract

The invention discloses a congestion control method in a video call, and belongs to the technology of the video call field. The method comprises the following steps: step S1, a receiving end judges whether a network is a shallow buffer network; step S2, the receiving end obtains an accumulative delay trend value between a transmitting end and the receiving end in a preset measurement window; stepS3, the receiving end adjusts a code rate request value of the receiving end according to the accumulative delay trend value and sends the adjusted code rate request to the transmitting end; step S4,the receiving end obtains a packet loss trend value according to a packet loss rate within a preset period; and step S5, the receiving end adjusts the code rate request value according to the packet loss trend value and sends the adjusted code rate request to the transmitting end. The technical scheme has the beneficial effects of improving the control effect of the code rate and improving the call quality in the entire video call process.

Description

technical field [0001] The invention relates to a technology in the field of video calls, in particular to a congestion control method in a video call. Background technique [0002] With the wide application of video calls in various fields, users have higher and higher requirements for video quality. The most important thing in video quality is clarity and fluency. The higher the bit rate, the higher the audio quality and video definition, and the greater the amount of information, the greater the occupied transmission bandwidth. The bit rate refers to the number of bits (bits) transmitted per second. When the bit rate exceeds the network bandwidth, it will cause network congestion and cause video freezes. [0003] The communication protocol widely used in video calls is the RTP / RTCP protocol. The RTP protocol specifies a standard packet format for delivering audio and video over the Internet. The RTP standard defines two sub-protocols, RTP and RTCP. [0004] The data ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/14H04N21/647
CPCH04N7/141H04N21/64738H04N21/64792
Inventor 钱晓炯吕锐刘谦董泽陈一乐
Owner 宁波菊思网络科技有限公司
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