Here’s how it works. PARK RIDGE, N.J.— Mobile TV Group’s latest 4K and HDR mobile production unit is revved up and ready to go and features Sony camera and monitor systems, Sony announced in a press ...

HDR up to now hasn’t had a fixed standard. Companies have used the term for marketing reasons, and quality has varied. The UHD Alliance is assuming that the market for 4K video on mobile devices ...

Sony is showing off two particularly striking new devices on its stand at this year's Mobile World Congress in Barcelona, Spain, which closes March 2.