On July 26, the real-time interactive cloud service provider Shengwang held a "real-time high-definition super picture quality" conference in Beijing. Real-time high-definition super picture quality is a set of solutions provided by Shengwang for real-time video scenes with the core of improving video quality and user experience . The eight gift packages of PC launch, gameplay upgrade, data monitoring, and worry-free use help developers and enterprises to achieve comprehensive upgrades in video quality, user experience, and interactive gameplay , and expand a broader space for revenue growth.
With the continuous iteration of hardware devices and the development of network infrastructure, Internet users' demand for FHD and 4K high-definition quality with smooth user experience and more stunning visual effects has also increased. According to public information, long video platforms such as Ayouteng, and short video platforms such as Station B, Douyin, and Kuaishou all support ultra-clear video content such as HDR, 2K, 4K, and 8K. In real-time interactive scenarios such as video co-hosting and live broadcasting, video quality is one of the key factors affecting user experience, directly affecting user retention on the platform, and poor quality experience can easily become a key reason for the loss of excellent anchors. Zhong Sheng, CTO & Chief Scientist of Shengwang, pointed out that high-definition picture quality can effectively help platform users increase their viewing time. According to the data analysis of Shengwang, the average/per capita retention time of viewers in low-resolution channels is significantly lower than that of medium/high The average retention time per user of the resolution channel .
In response to the above pain points and needs, SoundNet Real-time HD·Super Picture Quality was born in response to the situation, and is committed to creating the industry's top picture quality experience and leading real-time interaction into the high-definition era.
Picture quality, experience, and gameplay are fully upgraded
Users who often watch live broadcasts may find that in many live broadcast scenes, the picture quality of the anchor end is white and gray, the edges of the anchor hair are blurred, the beautification effect is poor, and the graininess is obvious, which makes the experience very bad. The real-time high-definition super picture quality provides eight gift packages, which comprehensively upgrade the picture quality, experience and gameplay from the three aspects of clarity, aesthetics and fluency , especially for show live broadcast, e-commerce live broadcast, event live broadcast, multi-person continuous screen , Cross-room PK and other scenes. According to the data analysis and statistics of the sound network platform, the retention time of users in the channel is 10.3% longer in high-definition picture quality than in standard-definition picture quality .
1. Perfect picture quality, clear and beautiful, real and textured
The combination of multi-dimensional image quality enhancement and video enhancement algorithm can greatly improve the visual effect , and realize the ultimate high-definition image quality of 1080P on the mobile terminal and 4K on the PC terminal; realize image quality enhancement through multi-dimensional enhancement of dark light, color enhancement, and video noise reduction; provide microscope-level Detail capture, AI perception processing algorithm understands the user's beauty better; end-side real-time super-resolution function realizes leap-forward image quality improvement.
2. A beautiful face makes people more beautiful and natural
RTC is equipped with the best practice of beautification, which is more in line with the natural aesthetics of actual scenes , realizes fine-tuning of complex scenes, and covers all-round coverage of light and dark, dynamic and static without dead ends; considers the facial features of different races, and flexibly adapts to overseas regions; high-precision facial features Fitting, high stability point tracking, no jitter and no delay; scene-based beauty API significantly reduces the development threshold, 300+ lines of code are reduced to 10 lines; rapid launch is achieved, and the development time is shortened from 7 days to 3 hours .
3. Silky and smooth, entering and exiting, switching channels, users have zero perception
Many live streaming platforms experience freezes and black screens when entering and exiting or switching channels, affecting user experience. The real-time high-definition super picture quality of the sound network adopts Multi-Path multi-link transmission, and various mechanisms effectively guarantee the smooth experience of each scene on the audience side . The video freeze rate is as low as 1.1% in China and as low as 2% overseas; the 1v1 video service connection average The time consumption is less than 500ms, and the first frame of the live broadcast scene is as low as 100ms, and the second open rate is as high as 97%. In addition, through the collection of the sound network SDK, the proportion of online unavailability problems caused by video freezes is reduced by 70%.
4. Low-code high-definition, achieving higher-definition picture quality at extremely low bit rates
Lower bandwidth, higher image quality, sound network real-time high-definition super image quality to achieve the industry's best code rate encoding and transmission solution , the highest bit rate is reduced by 70%, and the minimum 500K can achieve 720p video smooth experience.
5. Upgraded gameplay, smooth experience, exciting effects
Provide free show field seconds to 1v1 live broadcast, team battle PK and other popular gold-absorbing live broadcast games. In addition, in the real-time chorus scene, it can realize 1/1000 second-level synchronization error control, creating the industry's top chorus experience.
6. Free support for PC broadcast capability
SoundNet real-time HD super picture quality provides a free PC broadcasting kit, adapts to a variety of SLR cameras, the network environment is more stable, supports real-time sharing of 2K/4K 60FPS ultra-high-definition desktop screens, and is seamlessly compatible with new ways of live broadcasting such as barrage games , to create a professional e-commerce live broadcast and show live broadcast experience.
7. Data monitoring, business income tracking
If you choose AVIC real-time high-definition super picture quality, you can enjoy the full-link quality monitoring of AVIC crystal ball , track the quality problems on the audience side in real time, obtain the value analysis of high-definition image quality data indicators, and track business revenue in real time.
8. Worry-free integration, worry-free after-sales, and worry-free security
Acoustics provides one-stop upgraded technical support , covering problem tracking before, during, and after integration to ensure worry-free integration and use; in addition, Acoustics’ technologies and services meet the requirements of global security compliance laws and regulations, and developers and enterprises do not need to worry about data compliance issues.
Real-time interaction enters the high-definition era
SoundNet CTO & Chief Scientist Zhong Sheng introduced in the sharing that real-time high-definition presentation is first based on pre-processing of visual perception, such as dark light, noise improvement, AI visual perception processing, and then through multi-format video encoding and weak network confrontation, video self-adaptation Distribution (low-code high-definition, dynamic transmission path planning), and finally post-processing based on visual perception.
Qin Zexiong, R&D Director of SoundNet, introduced the real-time HD technology of SoundNet in detail. The sound network AI inference engine is the cornerstone of real-time high-definition. In the pre-processing stage, AI perception processing based on deep learning can bring about a 30% increase in video compression efficiency . In the encoding stage, real-time high-definition super picture quality adopts H.265 high-efficiency encoder. H.265 uses advanced technology to improve the relationship between bit stream, encoding quality, delay and algorithm complexity, and can Transmission of higher quality network video, the image quality of H.265 at the same bit rate is obviously better than that of H.264 . In the transmission stage, Acoustics adopts an adaptive elastic transmission algorithm to adapt to different network environments , and the receiver can adaptively accept the content of the corresponding level according to the downlink bandwidth. In the post-processing stage, SoundNet repairs and enhances the high-definition image quality based on deep learning . Without changing the resolution, it intelligently adjusts the sharpness and contrast of the image quality to make the image quality better and improve the user's subjective experience. In addition, in terms of AI algorithm low consumption, Acoustic Network has also made adjustments, so that the low-end machine algorithm is automatically downgraded, the link modules are automatically negotiated, the unified scheduling is not redundant, and the hardware modules are fully enabled.
