At present, the high-definition player industry is buzzing with exciting news. Haimei Di, a leading name in the U.S. and technology sector, has officially announced that its 4K high-end players will be upgraded to Android 7.0. The models included in this upgrade are Q5 4th generation, Q10 4th generation, Q16 4th generation, H10 4th generation, H1000, and HD920B 2nd generation. This move positions Haimei Di at the forefront of the industry, as it takes the lead in adopting Nougat. Additionally, the Seamet HD player running on Android 7.0 is backward compatible with Android 5.1.
In the realm of high-definition players, upgrading to Android 7.0 brings significant improvements. The new system uses a more efficient compiler, boosting compilation speed by 100%. Players equipped with Android 7.0 can also improve memory utilization by 100%, software installation speed by 75%, and overall operating speed by 600%. For instance, devices using the Hi3798C V200 chip with 16GB flash memory can now smoothly play high-bitrate native 4K movies.
Here are some of the most impressive benefits brought by this system upgrade:
**First, superior picture quality**
Android 7.0 supports HDR/WCG directly from the architecture, delivering better image performance than standard systems. Unlike regular displays, HDR/WCG screens avoid overexposure or underexposure, offering more natural colors. Take the Haimei Di H1000, for example, which features a proprietary Hass ExpressX image processing engine. It allows users to customize color enhancements for different scenes—such as skies, grass, landscapes, and portraits. Additionally, it optimizes image quality based on video content, like enhancing the sky, grasslands, or portraits, resulting in more realistic and detailed visuals.
In terms of audio, the H1000 uses a high-end Hass 4K cinema-grade A53 64-bit CPU and supports Dolby Surround, DTX-X, DTS-HD, and Dolby Digital Plus, creating an immersive home theater experience similar to IMAX. This delivers an incredible and immersive viewing and listening experience.
The H1000 also features a dual HDMI 2.0a port, enabling high-speed dual-channel transmission and professional-grade 7.1 decoding output. By using both HDMI 1 and HDMI 2 simultaneously, it separates audio and video signals, resulting in clearer visuals and purer sound.
During testing with "Smurf 2," we could clearly hear all the sounds in the movie. Especially during the big explosion in Paris, the voices, explosions, and metal sounds were sharp and vivid, making the scene intense and fast-paced, truly showing the power of audio-visual separation. The picture was beautiful, and the sound was pure.
**Second, perfect decoding of 4K UHD original videos**
With the Android 7.0 upgrade, Haimei Di's high-end players can decode 4K UHD original videos. Users can freely adjust chapters, audio tracks, subtitles, highlights, and more, allowing them to fully enjoy native 4K Blu-ray movies.
Today, the market is filled with various high-definition players. However, without these advanced features, even those using the Android system may not provide a satisfying playback experience. Haimei Di's comprehensive system upgrade ensures customers get a premium experience in both audio and visual quality.
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Silica Sol Casting
Compared with large complex thin - wall castings, civil products have lower requirements on casting quality. However, for the latter, shorten the production cycle, improve the production efficiency of the problem becomes more prominent. The gelation process of common silica sol mainly depends on the dehydration and drying of silica sol, which takes longer time than the gelation of chemical hardening ethyl silicate. Ethyl silicate shell using ammonia dry each layer can be completed in 2h, and the final hardening of silica sol generally takes more than 12h, for some deep holes and other difficult to dry parts of the need for a longer time. At the same time, because the Investment Casting shell needs to be made in layers, each layer needs to be fully dried, to ensure that the lower shell immersion coating will not cause the problem of remelting off, and immersion coating itself, water will be immersed in the dried shell, resulting in a long overall drying cycle. It is a schematic diagram of the production cycle of silica sol shell investment casting under general conditions. As can be seen from the figure, shell making time accounts for more than 50% of the whole casting production cycle. To shorten the delivery time and shell making cycle is the core of the problem. The key factors to shorten the shell-making period can be divided into two aspects: internal cause and external cause. The main internal cause is the characteristics of the binder, and the external cause is the drying condition.
Silica Sol Casting industry in China is developing rapidly and its application is also very extensive.
Tianhui Machine Co.,Ltd , https://www.thcastings.com