On October 12, 2022, MediaTek held Tianji's flagship technology media conference, sharing the latest technological progress and cutting-edge trends of Tianji's 5G mobile platform, including mobile optical tracking, mobile GPU efficiency enhancement scheme, AI image semantic segmentation, 5G new dual channel Wi-Fi 7、 High fidelity Bluetooth audio, high-precision navigation and other topics. Leading the innovation trend of mobile platform with advanced technology, and promoting the continuous upgrading of mobile terminal user experience.
The mobile optical pursuit technology is upgraded again, and the mobile GPU efficiency enhancement scheme boosts the experience leap
With the improvement of smart phone screen technology year by year, higher resolution, refresh rate and content complexity put forward new requirements for the performance and energy efficiency of mobile GPU. Faced with the inevitable trend of game technology migration from end game to mobile game, MediaTek has launched the mobile ray tracing SDK solution to help accelerate the disruptive leap of mobile game experience. Today, mobile optical tracking technology has gradually moved to mobile games, operating system interfaces and AR VR、 The metauniverse and other fields have developed rapidly.
The layout should be carried out earlier and faster to accelerate the iteration of mobile light tracing technology. In January this year, Vulkan 1.3 standard was officially released to support Vulkan Raytracing API, marking that the optical tracing technology of mobile GPU will accelerate its popularization and cover a wider range of content types. As early as a year ago, MediaTek had already laid out Vulkan Ray Query's technical solution in advance, and worked closely with industry partners to take the lead in building a mobile optical tracking technology ecosystem.
Arm's latest flagship GPU Immortalis-G715 can fully support hardware level mobile ray tracing, support more complex and realistic scene applications, and bring more realistic and immersive use experience for mobile games and other applications. Through hardware acceleration, real-time mobile light tracing effects can be achieved, including light tracing soft shadows, reflection effects and global lighting technology, to improve the quality of the whole scene. In addition, for developers and hardware manufacturers, MediaTek also cooperates with evaluation tool manufacturers to promote the ecological development of mobile light.
Based on the development characteristics of applications such as mobile games, MediaTek proposes a mobile GPU efficiency enhancement scheme. Aiming at the improvement of GPU performance, MediaTek uses GPU peripheral technologies to achieve the balance of system resources and meet the computing needs of high complexity content. Layout technologies from different dimensions, such as performance and energy efficiency improvement, ecological development, platform software optimization, and self-developed algorithms.
AI image semantic segmentation technology, effectively unleashing the potential of multimedia
In addition to "long use" and "fast running", the experience brought by flagship smart phones to users should also be "beautiful in photos" and "beautiful in looks". To this end, MediaTek took the lead in introducing the latest flagship TV technology into the mobile platform. With the help of advanced AI Image Semantic Segmentation technology, it can significantly reduce the demand for computing power, give consideration to effects and energy efficiency, and bring more efficient and better experience to the image and display applications of smart phones.
AI image semantic segmentation technology can perform differentiated image processing for different object features in complex scenes, and can also generate special effects for subject background objects. In addition, this technology has significant advantages in video beautification processing. Through AI scene quality enhancement technology, scene content in the image can be recognized in real time to optimize the contrast, sharpness and color of each frame of the scene such as buildings, landscapes, portraits, etc. On the other hand, AI regional image quality enhancement technology can also perform object recognition and cutting in real time, and adjust the image parameters of different objects in each frame.
In addition to display, AI image semantic segmentation technology can also be used in smart phone image applications to make focusing more accurate. Compared with the traditional focusing method, the AI image semantic segmentation technology can automatically distinguish the subject and background, and the shutter parameters can be precisely set for the subject to ensure accurate focusing and make the capture clearer.
5G new dual channel, enabling mobile communication "full blood experience"
Today, the key pain point for dual card users is that one card fails to connect or the network is disconnected from the other. MediaTek shared the technical breakthrough of 5G new dual pass, and realized 5G new dual pass using a single set of baseband, RF and "dynamic dual lane" software architecture. Among them, full time dual pass can realize dynamic dual lane data transmission, supporting more than 30 frequency band combinations, and time-sharing dual pass can realize "simultaneous downlink+uplink time-sharing" data transmission, supporting more than 70 frequency band combinations.
5G new dual pass has the advantages of elastic architecture and wider coverage. It supports more than 100 frequency band combinations and can cover more network systems, including SA (SA+SA and SA+LTE), NSA (NSA+LTE), LTE (LTE+LTE), etc. In terms of network performance, the new dual pass technology can enable one card to talk and the other card to enjoy low latency and high-speed network connection. In the same frequency band of dual cards, the full time dual pass network speed is more than 30% faster than the time-sharing dual pass network speed.
Previously, MediaTek Tianji's flagship mobile platform took the lead in bringing multi standard two-way technology, supporting multiple combinations of dual 5G and 4G, making calls always online. With the help of 5G new dual pass technology, it can meet the needs of more scenes, more frequency bands and network systems, faster network speed and lower power consumption, realize the 3D track leadership, and open the "full blood experience" of mobile communication.
Layout of Wi Fi 7 high-speed network, enabling connection to a new chapter
Wi Fi 7 has new features such as higher throughput, lower network latency and higher network efficiency. This technology supports the advanced 4K QAM (Quadrature Amplitude Modulation) modulation technology. The new MLO (Multi Link Operation) technology can achieve link aggregation, and supports a higher 320MHz bandwidth in the 6GHz band. With the help of MRU (Multiple Resource Unit), the efficiency of network usage can be improved, the impact of noise interference on the frequency band can be significantly reduced, and the throughput can be significantly improved under the network with multi-user load.
MediaTek has been actively involved in research and development since the birth of the Wi Fi 7 standard, and is one of the first enterprises to adopt the technology. It promotes the Wi Fi 7 technology to move towards a broader market development prospect, creates a user experience with longer use time, more device connections, and longer networking distance, and meets the growing demand for wireless connection applications in the market.
Develop high fidelity Bluetooth audio, establish open ecology and accelerate popularization
Smartphone users expect to enjoy high-quality streaming music services that are not inferior to the sound quality of wired headsets when wearing Bluetooth wireless headsets. MediaTek shares the development trend of wireless Bluetooth audio based on smart phones. Through Bluetooth high bandwidth technology and high-definition Bluetooth audio encoder that can support higher sampling rate, the wireless Bluetooth headset can also restore and present high audio quality when connected to smart phones.
MediaTek has actively established an open ecosystem that can adapt to major Bluetooth chip platforms, promote the development of a broader range of Bluetooth high fidelity audio technologies, and enable more smartphone users to enjoy the wonderful listening experience brought by high audio quality.
MPE fusion technology helps to achieve full scene high-precision navigation
Today, the global satellite navigation system has covered the world, and the demand for precise positioning based on smart phones is growing day by day. MediaTek shared the MPE (MEMS sensor Positioning Engine) fusion technology, which uses micro electromechanical sensors (accelerator, gyroscope, magnetometer) to integrate the global satellite navigation system, and is widely used in the daily navigation application scenarios of smartphone users such as driving, walking and running.
MPE integration technology can optimize the navigation experience in tunnels, under viaducts, urban buildings and other areas, achieve more precise and sustainable positioning, and support lane level navigation, so that mobile phone users can enjoy the convenience of high-precision positioning anytime and anywhere.
By continuously exploring the cutting-edge trends of mobile platforms, we have widely deployed flagship technologies, MediaTek Tianji has been committed to the innovation and upgrading of mobile platform experience for a long time. Through rich self-developed technologies, it cooperates with the world's leading industrial partners to lead the technological transformation of smart phones in full scene applications such as communication, multimedia, video, and games, and create a better life for more users with advanced technology.
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