In this world In the new TV, goalposts always move forward. As soon as you feel safe on a new set, another reason to keep out comes with. Earlier there was 3D. Then 4k. Let's not forget about OLED and quantum dots, then cheap 4K and cheaper oLED. This year is no exception, there is another reason to catch your horses with another new technology. It is called HDR video, which is small for “high dynamic range”.
HDR is not about additional pixels. Each set capable of handling HDR video can already display 4K videos. Instead, the HDR widely creates images with different lights and the dark looks better on your screen. This is very good! You want it completely. But like most newborn technologies, obstacles are delicious to early adopters. From high prices to lack of video sources, there are many things to consider before purchasing in HDR.
What is HDR video?
If the “HDR” brief name seems familiar, it is because you have seen it as a setting in your smartphone camera. The results are not great, which means that you probably think HDR waste. Still for photography, HDR is a task (if highly used) Workeround for a general problem: It brings details to light And The dark region of a scene, usually by capturing several images in different exposures and merging them. The problem is, such pictures often Watch airbrush and fake,
HDR video is different. It looks very realistic, is close to what has been seen in real life with gradation and nuances. This can be bright enough to simulate the light reflecting the chrome and dark enough to look like an oil. In both cases, you still look at the fine details and subtle colors. The HDR is not contrasting with stupid filters and strange halo effects. Instead, it uses new panel technologies with a broad color palette in the concert with especially encoded videos.
For that reason, you need a specific type of TV to watch the HDR video properly, and you also need a specific type of video source. In the best case, you will see deep and more accurate colors, and the light effect will appear more life.
How are HDR TV fundamentally different?
HDR is not bound by a certain type of display technique, but almost all HDR sets shared some symptoms so far. Wijio, Sony, Samsung, Panasonic, LG, TCL, and Partsen are all HDR-Saksham TV which are essentially super -ward LCD 4K televisions. These sets can be found In fact Bright — bright enough is enough that you can create squint due to an onscreen sun or explosion. The backlight systems of these panels crank up to more than 1,000 NIT— comparatively, most LCD HDTVs put around 300 or 400 knots. Why so bright? With such a high peak shine, the opposite is more pronounced between the light of the view and the dark (or light and light) areas.
In addition, most HDR televisions are not OLED sets. They use LCD panels, as they can be much bright than OLEDs. However, because OLEDs do not have backlight systems (each pixel turns on and off individually on an OLED) they can be too deep, and therefore produce deep blacks. Earlier this month, both LG and Panasonic announced the new 4K OLED TV which can display HDR videos.
What about colors? Are they better on HDR TV?
Yes! These high-end 4K are more colors on TV.
This is because both materials and TVs are moving far from the place of color and the bit of traditional HDTV. To display the colors, HDTVs cling to a 25 -year -old specification called Rec. 709. This is the recommendation of the 8-bit color space created by a TV business group. It is as old as Windows 3.0 and season one SimpsonIt is ancient, and it is supported throughout the HDTV era. Now we have a new imagination: 4K TV and content will take the target of 10- to 12-bit REC. The 2020 color space, which represents more than 60 times as many different color combinations as REC. 709. More than one billion of them, in fact. REC. The 2020 color sargam is also wider than the DCI-P3 color location defined for professional digital projector (which is much higher than REC. 709).
From filming to distribution to display, we are talking about an end-to-end pipeline that creates a better picture. The material can be mastered to take advantage of a broad color location, to define additional metadata to define how it looks, and pipe on an HDR-competent TV to define color-tuning techniques goes quantum dots Can help display it correctly. The combination of 4K resolution, extreme brightness, better contrast, and more colors will be what makes HDR videos fantastic — even if the “HDR” trick is the only part of the sauce.
Dude, how should I make sure that my new TV does all that?
Now there is a badge! The UHD coalition, a group of TV manufacturers, content providers and distribution companies, will begin to release the “Ultra HD Premium” seal of approval for some TVs. These badges will be reserved for the “five-tool players” of the TV world, the set that offer a combination of tax-sharp resolution, high dynamic range and very wide color sargam.
To qualify, a TV must have a display of at least 3840×2160 (it is 4K), support 10-bit color, capable of handling sources that use REC. The 2020 color location, and the DCI-P3 should be able to display at least 90 percent of the color space. In terms of the dynamic range, Ultra HD premium badges adjust both LCD and OLED displays. For an LCD, a qualifying TV should have a black level of more than 1,000 NITs and a black level less than 0.05 NITs. For an OLED to qualify, it should have a black glow of at least 540 notes (remember, OLEDS may not get super bright) and a black level less than 0.0005 notes (remember, OLEDS super dark Can get).