High dynamic range image technology - HDR must be familiar to everyone. This year we can see its presence on brands such as Hisense, TCL and Changhong, which is enough to show the importance of the technology and the new experience it brings to consumers.
A few days ago, China Electronics Standardization Research Institute released the "HDR display technology certification specification" means that the industry standards for HDR related technologies have been established, but the relevant reports also pointed out that the current part of the HDR television product technology is still facing a relatively big problem. If HDR signals are not supported, signals are supported but HDR effects cannot be displayed.
While launching new HDR products, many companies have also been emphasizing the “HDR Ecologyâ€. What does HDR Ecology mean? What are the conditions that make up? Xiao Bian to answer for everyone.
· Popularity: What is HDR
The emergence of HDR technology can improve the brightness of the TV display. To put a very simple example, when the TV displays brighter, darker images with different brightness, we are likely to be the overall The brightness changes while ignoring some of the dim, or rather bright, detail effects of the TV picture.
In fact, the earliest applications of HDR technology are on cameras, mobile phones and other devices, and we can also record and shoot HDR-compliant content resources through related devices. However, when we took the content of these HDR standards to the TV for playback, we found that the content of the TV output was compressed. It may be that the picture we see is not related to HDR.
·How to achieve HDR effect?
Only TV supports HDR function is not enough. From the content shooting - post-production - the effect of rendering these links are indispensable, only all processes can meet the HDR standard, then what the user sees in front of the TV is the real HDR image effect.
For example, "Yueyue Biography" is a device model that uses HDR technology, but what we see in front of the TV is HDR effect content? Of course not. First, your TV does not necessarily support HDR display. Second, through the video compression, what we are seeing is not HDR's "Yueyue Biography."
·What are the conditions for watching HDR videos?
First, the hardware: Want to use TV to watch HDR effect content, first, of course, the TV interface, decoder chip, backlight, screen and other hardware parts to achieve HDR program playback standards;
Second, resources: HDR video content, there are currently Hollywood, Litchi TV and other platforms have started on-line HDR resources;
Third, software: Of course, now we have bought a HDR TV, the resources that we can see are certainly very limited, so SDR-HDR on image algorithm optimization technology is particularly important. Through the optimization of the SDR signal, an experience close to the HDR effect is achieved.
·How to understand HDR ecology?
The definition of HDR ecology by many brands is mainly combined with the above three conditions. From hardware infrastructure to video resources, to algorithm optimization, etc., it is possible to provide users with an HDR viewing experience or a viewing experience mode that is close to the HDR effect.
·What are the conditions for watching HDR videos?
First, the hardware: Want to use TV to watch HDR effect content, first, of course, the TV interface, decoder chip, backlight, screen and other hardware parts to achieve HDR program playback standards;
Second, resources: HDR video content, there are currently Hollywood, Litchi TV and other platforms have started on-line HDR resources;
Third, software: Of course, now we have bought a HDR TV, the resources that we can see are certainly very limited, so SDR-HDR on image algorithm optimization technology is particularly important. Through the optimization of the SDR signal, an experience close to the HDR effect is achieved.
·How to understand HDR ecology?
The definition of HDR ecology by many brands is mainly combined with the above three conditions. From hardware infrastructure to video resources, to algorithm optimization, etc., it is possible to provide users with an HDR viewing experience or a viewing experience mode that is close to the HDR effect.
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