16Beyond HD
UHD, 2K and 4K Projects
Things we Should Understand
There’s a lot to get our head around as we leave the now comfortable world of high definition and journey forth into ultra high definition, 4K, and beyond. In some cases, we’re building on what we already know, but in others we’re leaving things completely behind and starting fresh. Let’s begin our journey by examining the ten distinct pieces of information that will help us travel through this new world.
1. Aspect Ratio
As we discussed in Chapter 8, aspect ratio measures the relationship between the width and height of a rectangle. You get the ratio by dividing the width by the height. Both HD and UHD share the same aspect ratio, which is called 1.78:1. This number is actually rounded ...
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