"What the 4K is HDR TV? And what's with all these acronyms when it comes to top-notch tellies?" Both good questions, at least one of which will be answered by this article. HDR stands for High Dynamic Range and it's the future of TV picture standards. You might be familiar with HDR if you're into photography or own a certain smartphone. In photographic terms, HDR images deliver a much broader exposure range in a single picture, achieved either with software trickery or the merging of several real snaps of varying exposures. When it comes to TVs, HDR works a little bit differently, aiming to deliver images that are far closer to those that the eye can see in the real world but it does still produce that same stunning range in a single scene: think deep blacks, saturated colours and a cracking contrast ratio. Want to know more? Read on.