Toshiba 2021 50UK3163DB . What stands out . Alexa Built-in TV4K Ultra HD HDRTru Picture EngineDolby Vision HDRDolby AtmosFreeview Play 4K UHD HDR Awarded the 4K HDR Ultra HD logo all of Toshiba\'s HDR TV\'s have been proven to deliver and faithfully display 4K HDR content in all it\'s glory. Dolby Vision HDR Immerse yourself in the on-screen actions with one of Toshiba\'s Dolby Vision compatible TV\'s. The preffered HDR Video format of movie makers around the world Dolby Vision uses dynamic metadata to read and calculate exactly the right brightness level for every TV frame. TRU Picture Engine TRU Picture Technology provides smooth upscaled and more detailed viewing whatever you are watching Dolby Atmos A TV with down firing stereo speakers using Dolby Atmos audio processing will provide breathtaking sound that has impressive clarity richness detail and depth. You can have the feel of a cinema in your own home with the Dolby Atmos producing sound solutions like no other.