I am relatively proficient at photography and have been doing HDR pictures for about 10 years. Perhaps because of this, I'm not sure I understand the benefits of HDR TV's.
In short: Does HDR just mean smoother color gradients or does it also include a higher degree of total range (brighter whites, darker blacks).
Here's what I mean:
Let's pretend there's a real-world scene with a very bright sky and very dark shadow. Let's say the sky has a brightness of 1000 and the shadow has a brightness of 0. Now let's say our eyes can cover most of that - let's say 10-990. When a cinematographer takes a video of this scene and it get's projected to my TV, let's say the ultimate image has a range of brightness 100-500. This means that the original scene shadows below 100 get crushed and all a represented at 100 and the sky between 500-1000 are all washed out, getting a value of 500. Now let's say a standard dynamic range TV has 10 distinct values (100, 150, 200, ... , 500). If an HDR TV has 100 distinct values (100, 105, 110, ... 500) it still doesn't increase the total range of the TV, just makes it so there aren't 'jaggies' in a gradient. Do HDR TVs necessarily mean a higher total contrast range?
Since I have no capability to determining the difference between 256 values of gray, I don't see how upping that number to 1028 would be a benefit.
In short: Does HDR just mean smoother color gradients or does it also include a higher degree of total range (brighter whites, darker blacks).
Here's what I mean:
Let's pretend there's a real-world scene with a very bright sky and very dark shadow. Let's say the sky has a brightness of 1000 and the shadow has a brightness of 0. Now let's say our eyes can cover most of that - let's say 10-990. When a cinematographer takes a video of this scene and it get's projected to my TV, let's say the ultimate image has a range of brightness 100-500. This means that the original scene shadows below 100 get crushed and all a represented at 100 and the sky between 500-1000 are all washed out, getting a value of 500. Now let's say a standard dynamic range TV has 10 distinct values (100, 150, 200, ... , 500). If an HDR TV has 100 distinct values (100, 105, 110, ... 500) it still doesn't increase the total range of the TV, just makes it so there aren't 'jaggies' in a gradient. Do HDR TVs necessarily mean a higher total contrast range?
Since I have no capability to determining the difference between 256 values of gray, I don't see how upping that number to 1028 would be a benefit.