Mobile devices get a new spec to ensure quality 4K HDR video

The group that sets standards for 4K on high-definition TVs has established specifications for 4K and HDR (high-dynamic range) video on mobile devices including smartphones, tablets and laptops.The devices will be eligible for a "Mobile HDR Premium" certification if they meet minimum specifications tied to screen resolution, bit depth and a handful of other elements that define picture quality.The specification was announced on Tuesday at the Mobile World Congress trade show in Barcelona.For use