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From November 29th to December 1st, the “China Fifth Internet Video Conference”, the most important annual event in China’s online video and audio industry, was held in Chengdu. The company’s subsidiary, First Spirit Information (stock code: 300250), was regarded as Technical Director Huang Yi was invited to give a technical speech.

Huang Yi graduated from Sichuan University and has been engaged in software development related work for more than 15 years with rich experience and profound understanding of product development. Currently, he is the chief technical officer of Starkey, who is mainly responsible for the system architecture and technical breakthroughs. He has organized and researched and developed several core products of Vision.
(Huang Yi speaks at the scene)
With the country’s policy of “broadband China”, the information age relying on big data has come. The faster, more convenient, more flexible and smarter way to acquire and process information is the inevitable trend of the development of the information society.
First Spirit Information has been constantly working hard and innovating, laying out and deepening its strategic goals around big data access, big data mining and analysis, big data applications, and new data source business. In this "Fifth China Network Audiovisual Conference" In conjunction with its subsidiary, the company's vision for the "video-driven video business" as the theme for technical presentations, demonstrated the video big data processing and analysis platform explored by our company through the internal resources cooperation model, in the future can form the basis of video big data analysis The industry ecology of video data assets, such as the accurate operation of video, has helped the development of the large video field.
From the exhibition site we understand that "video business analysis system V2.0" has the following features:
1. Understand the user
The key user information is abstracted from massive user characteristics and user behavior data, and a user-accurate portrait is created. By understanding user preferences in real time, discovering user needs and providing users with personalized content and presentation.
2. Efficient operation
Through the powerful computing capability of the big data engine, it provides operators with visualized live statistics, ratings analysis, and advertising effectiveness assessment and multi-dimension data analysis, providing effective decision-making guidance for operators on programming, content introduction, and optimization of advertisement placement. .
3. Optimize the experience
Real-time product failure report, understand the user terminal product health, provide real-time data support for operation and operation and maintenance personnel, optimize the network environment according to the play carding situation, provide users with the best video playback experience.
4. Unearth potential
Multi-channel data fusion, real-time aggregation of user behaviors from different terminals (set top box/cell phone/pad/PC), different services (CMS/BOSS), and other industry related data. Assist operators in discovering potential business opportunities, tap data in-depth, and realize business intelligence.

(Exchange with the audience at the fair)
Blue Whale Big Data Storage and Calculation Engine
"Video Business Analysis System 2.0" is based on the blue whale big data storage and calculation engine. It integrates open source big data technology and the precipitation of core self-developed technologies to provide operators with big data integration, storage, and computing. An integrated environment such as mining and visualization helps operators build their own big data systems and applications.
Operators can build a big data system that meets their requirements through simple interactions on the Datatek big data platform.
Currently, the Blue Whale Big Data Storage and Computing Engine has deployed 18 clusters across the entire operator. It can collect nearly 700 billion pieces of data and 500TB of data per day. The massive data brought by the stable and reliable systems can not only assist operators. Improve the user experience, more in-depth user potential, business intelligence.

Precision Machining Parts

Diamond turning and diamond boring
Both diamond turning and diamond boring are performed with polycrystalline diamond tools.
honing
Honing is to use the oil stone (also called honing bar) inlaid on the honing head to finish the hole.
grinding
Grinding is the use of coated or pressed abrasive particles embedded in the grinding tool, through the grinding tool and workpiece in a certain pressure of the relative movement of the surface for finishing processing.
superfinishing
Ultra-finishing is the finishing of the finished surface by using fine-grained whetstone mounted on the vibrating head.
Abrasive belt grinding
Belt grinding is the grinding of workpiece surface with high-speed annular belt.
Mirror grinding
Mirror surface grinding is a grinding method to achieve the optimum surface roughness. After grinding the workpiece, the surface roughness is not more than 0.01 micron, the light is like a mirror, can be clear imaging

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