[Home Theater Network HDAV.com.cn] A lot of senior audiophiles or professionals of video and audio and video, usually receive all kinds of related questions. The most recent ones are: "Is HDR good?" Is it worth upgrading for HDR?", "What's going on, I don't seem to feel the difference between HDR?"... From a professional point of view, I would highly recommend new technologies and new products such as 4K, UHD, HDR. But most people don't have so many channels of perception, either "heard" or "buy" themselves. So, this time I did a comparison test of HDR, HDR off and SDR, I hope to compare the differences between the three by direct comparison. The Migration of Monarch Butterfly Experience the movie "Flight Of The Butterflies" The film is titled "Migration of Monarch Butterfly", which was first published as a documentary of IMAX 3D. The film tells the migration of Monarch Butterfly with a shocking picture. Every autumn, the Monarch Butterfly flies over thousands of miles, thousands of kilometers away, flies from the United States and Canada to Mexico and Michoacan in central Mexico for the winter, and then flies at the end of March the following year. Canada. The film not only shows the most incredible biological migration in nature with spectacular images, but also shows the scientist's dedication and seriousness to the audience. The film also introduces a new 4K UHD version and supports HDR, along with the traditional 2D BD (SDR Dynamic Standard) version, so we can feel the difference between several different versions at the same time. Experience process: 1, the playback part Use the 4K Blu-ray player to play the 4K UHD version and 2D BD version of the movie separately. The 4K UHD is divided into two versions: HDR and HDR (the HDR function is turned off for both the player and the TV), and output to the 4K TV. (The setting of the TV is the factory default setting). 2, the screen part Use the tripod to fix the camera position and take pictures of the three versions displayed on the TV. The camera uses its own standard color setting, aperture priority and ISO fixed. The metering mode is the camera's default evaluation metering. The recording format is RAW, and the screen image is directly developed and output by Adobe Camera Raw software without any post color. deal with. Screen contrast After three comparisons, we found that the HDR, HDR off, and SDR versions are very large, and can be said to be three completely different versions. In my opinion, the three versions of the color style HDR version are undoubtedly the best, there is enough and to please the eye color while also taking into account a good dynamic range; HDR off appears the color of "excessively bright", perhaps due to The 4K UHD with HDR color is used, and after the forced shutdown on the hardware device, some color overflow occurs due to algorithm or compatibility problems, and the dynamic range also has a certain loss; the SDR picture color is lighter than the previous two versions. Many, it feels more like the "small fresh" general tone. Picture 1 The color and picture of HDR are the most stable, and the details of the branches of the grove in the distance are well displayed, while the HDR off and SDR basically do not feel the details of the dark part in that part. HDR HDR OFF SDR Picture 2 The most intense contrast between the light and dark is limited by the metering method of the camera. The highlights of the image are overflowed. In the actual picture, the three versions of the highlights are well preserved. The same HDR version wins in the richness of the details of the dark part. The details of the HDR off are not even as good as the SDR, perhaps due to hardware forced off HDR. HDR HDR OFF SDR Picture 3 The three versions of the butterfly perform similarly, but the details of the mountain part of the picture are also better displayed in the HDR version, while the HDR off and SDR are basically the same. HDR HDR OFF SDR Picture 4 The dynamics of the three versions of this screen are basically the same, but the HDR color is more pleasing to the eye, the HDR off feels a lot of green overflow, and the SDR is very light. HDR HDR OFF SDR Looking at the above comparison, what do you think? Welcome to leave a message and discuss with us. More fresh and fun home theater information, please pay attention to home theater network http:// (WeChat: cnhifi), the country's most influential home theater audio player interactive media website.
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