Q. Could you explain the television high dynamic range formats HDR10, Dolby Vision and HDR10+? It is confusing and I am angry there are now three competing HDR standards/formats. —K.B., Santa Clara, California A. It is indeed confusing, but there is no need to be angry as there is compatibility between the formats. High dynamic range (HDR) expands the range of colors and brightness levels a 4K television can display. The program, playback device and display must all support HDR to show the HDR image. HDR10, Dolby Vision and HDR10+ are formats for transmitting and displaying HDR material. Most …