Isn't Blu-ray dead like this? At the end of the previous year, the Ultra HD Blu-ray standard was established, and a new technology began to be fully promoted. The concept of “Blu-ray†has returned to the public view once again. Major manufacturers are rushing to market. The first Ultra High Definition Blu-ray hardware. Haimeidi, as a pioneer of high-definition audio and video development, has introduced numerous cross-generation products in line with the trend. Following the fourth generation of the Q10 four-generation and Q5 four-generation generation of Haimeidi’s flagship product, the Haimeidi H7 is equipped with a new hardware and software system. Into the vision of the crowd, with a 399 yuan hunters price set off a cost-effective ultra-high-definition Blu-ray high-definition player popularity war.
4K resolution
The resolution is called two-dimensional image resolution, that is, flat image quality performance, as a symbol of clarity, 4K resolution has reached an amazing 3840x2160, 4 times the resolution of 108P gives the user a clear and vivid experience , With TV large-screen TV, better reflect the value of 4K resolution. Haimeidi H7 four generations support 4K point-to-point output, can accurately depict the picture at the details of the portrayal, to show a clear picture of the fidelity, in the test film "Hokkaido Flower Sea", the flower petals are clearly visible, leaves and characters The outline is clear (because of the shooting equipment and the subsequent digital transcoding, taking a picture does not represent the true picture of the picture quality, but for reference only, the same below).
Test Movie: "Hokkaido Flower Sea", 4K H.265 Code
10Bit color depth
If the resolution is the resolution of a two-dimensional image, then the color depth enhances the image to a three-dimensional level, the color depth indicates the number of colors that can be displayed, and the 8Bit color depth has 256 gray levels when expressing a single color channel. Only 1677 colors, and 10Bit is raised to 1024 gray levels, the number of hair color reaches 1.07 billion colors, in the market environment still dominated by 8Bit color depth, Haimeidi H7 fourth generation will increase the color depth to 10Bit, Bring smoother color transition performance. By comparing the 8Bit and 10Bit deep color transitions in the figure below, you can have an intuitive understanding of the two.
Banding in 8Bit's Color Transition Diagram
The following is a comparison of the 8Bit video and the 10Bit video decoding on the Haimeidi H7. From the figure below, we can see that the 10Bit color transition is smoother.
8Bit color depth video (left) vs 10Bit color depth video (left)
BT.2020 color gamut
BT.2020 color gamut is not a technology, but a unit of measurement. If color depth is the measure of color, the BT.2020 color gamut is a measure of the quality of color. The BT.2020 color space has been defined by the ITU International Telecommunication Union as an image signal color gamut standard in the 4K/8K era. It is also one of the standards for ultra-high definition Blu-ray. The common Blu-ray standard uses the BT.709 color space, which covers only 35.9% of the BT.2020 color space, which is the largest color space in current display devices, covers 75.8% of the CIE 1931 color space. In layman's terms, Haimei Di H7 supports the BT.2020 color gamut for four generations, which means that it can be matched with the wide color gamut TVs that are available on the market and get richer and more vivid color performance.
HDR contrast
The highest level of high-definition playback is to reproduce the extreme sound quality in the movie plot, bring the viewers into the picture, and reach an immersive shock experience. Can it bring more impact and immersive experience to the viewers? Is the ultimate goal of the major manufacturers chasing. An excellent player requires not only a clear picture quality (resolution), natural colors (quality and quantity of color, color gamut and color depth), but also a rich sense of hierarchy in order to reproduce the three-dimensional appearance of the picture in order to achieve true In the sense of "high definition".
The HDR technology adopted by the Hermes H7 fourth generation can expand the contrast between the light and dark areas of the image and the details of the image. It can also better reflect the visual effects in the real environment, not only expanding the contrast and color range of the image. Color quality will also be improved.
Haimeidi H7 IV supports HDR 10 and Dolby Vision
The presentation of HDR not only needs the support of hardware equipment, but also needs to record HDR and other information in order to restore accurately. It is believed that with the popularity of HDR technology, online HDR video will be just around the corner. Haimi Di H7 supports HDR 10 and Dolby Vision. It can smoothly decode HDR movies. HDR version of “Youth School†has a very high contrast in the night sky and its surroundings. The screen has a rich sense of depth. The star in the distance and the green in the middle are green. The trees and the nearby tigers and boats have a more three-dimensional sense, with clear outlines of branches and leaves, and the markings on the tigers are also delicate.
Hoi Mei Di H7 Four Generations: HDR version of "Youth School" more outstanding performance
60P frame number
The number of frames represents the number of pictures included in the 1-second video. The higher the number of frames, the more smoothly the picture observed by the human eye. The HMI-H7 supports 60P frames, which is in contrast to the traditional 24-Hz Blu-ray frame number. In contrast, as long as the content supports a high number of frames, it can bring a smoother screen experience.
Test movie: resolution of 3840x2160, H.265 encoding, 59.940fps frames, color depth 10Bit
Comments: Haimei Di H7 four generations is such a high-quality UHD 4K player, bringing fashion, leading information decoding technology, driven by powerful hardware configuration and the ultra-high-definition Blu-ray standard of the Five-in-One, I believe in the future 5-10 years are not outdated, and its greatest advantage is to continue the H7 series in terms of price advantage, Haimei Di H7 four generations only need 399 yuan discount price can be in the bag, if you want to try Experience the children under the ultra-high definition Blu-ray standard, may wish to consider this product.
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