Shulou(Shulou.com)11/24 Report--

On November 9, at the Wuzhen Summit of the 2023 World Internet Congress, ten typical cases of innovation and development of Chinese Internet enterprises were officially released: Kuaishou self-developed intelligent video processing chip StreamLake-200 (SL200) was selected as a representative of "core technology" because of its industry-leading video processing performance and intelligent video processing technology.

It is reported that this selection is guided by the Central Internet Information Office and collected by the China Economic Network, focusing on the innovation and development of Internet enterprises. A number of typical cases with advanced technological level, strong industrial drive, outstanding demonstration effect, high social recognition and good quality of public service were selected, including the products and technology breakthroughs of Kuaishou, Alipay, Tencent and other enterprises, and were awarded the "Ten typical cases of Innovation and Development of Internet Enterprises in China".

As a typical product of the Internet era, network video has gradually become one of the indispensable important media in daily life. As a leading Internet company and video platform in China, Kuaishou continues to explore the core technology of video processing, leading technological changes in the industry, and SL200 chip is the latest breakthrough in the core technology of Kuaishou in the field of video processing.

As the first self-developed intelligent video processing chip of Kuaishou StreamLake, SL200 integrates Kuaishou's leading video coding, image processing, AI reasoning, content adaptive coding and other key technologies, with the characteristics of high quality, high density and intelligence. Compared with the commonly used hardware encoders in the industry, SL200 has higher video compression quality and codec density, and saves about 30% bit rate compared with x265 medium. A single card can support 8K@120fps or 8-way 4K@60fps transcoding, reaching the industry-leading level.

The significant change brought about by high-quality video compression and high-density codec capability is that video processing hardware investment and energy consumption can be maximized. Compared with the industry's mainstream hardware encoders of the same quality, users can achieve about 30% bandwidth cost savings. Users can get higher definition video under the same broadband.

In addition, the SL200 chip has a built-in intelligent image quality processing engine, which can improve the 1080p image quality to 4k resolution in real time, bringing users an immersive UHD visual experience. In video content recognition and detection application scenarios, SL200 chips can achieve balanced broadband allocation by distinguishing different regions of interest under the same subjective quality, and continue to reduce bandwidth usage by more than 20%. At the same time, SL200 chip can also combine traditional hardware algorithms with AI, not only to improve the effect of natural scene video, but also to improve the definition of games, digital people and other scenes that are difficult to deal with.

The industry-leading advantage of SL200 chips has also been fully confirmed in world-class competitions. In the MSU2022 World Encoder Competition, the SL200 chip won the first of the 24 indicators of 4K and 1080p. In the "New Product release" session of the 2023 Global Digital economy Conference, the SL200 chip was awarded the honorary title of "leading Achievement of Digital economy Innovation" and was awarded as "China Multimedia Enterprise Innovation Technology" at the 2023 China Multimedia Conference (ChinaMM 2023).

It is understood that tens of thousands of chips have been deployed in Kuaishou, which has been fully used in Kuaishou live broadcast and short video services, achieving billions of yuan in TCO and bandwidth savings. The chip is also a key base for improving Kuaishou's picture quality and user experience. In the previous 2023 Kuaishou LVB summer peak night and the ongoing "Singles Day" and other activities, Kuaishou combined SL200 chip with quality attainment intelligent audio and video enhancement algorithm and other technologies to successfully carry out full-link 4K+HDR live streaming, achieving a comprehensive improvement from definition to light and shadow color, bringing a more shocking and lifelike live broadcast experience.

With the vigorous development of network video, the change in video processing capability represented by Kuaishou SL200 chip will actively empower and increase efficiency for the development of the industry. In more diversified use scenarios in the future, Kuaishou will use leading intelligent video processing technology to provide audio and video technical support for live broadcasting of large-scale events, video conferencing, cloud games and other scenarios, and use productivity to provide more possibilities for all fields of production and life.

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