Complex sentence: HDR10 +, also known as HDR10 Plus, was announced on April 20,2017, by Samsung and Amazon Video which updates HDR10 by adding dynamic metadata which is based on Samsung application SMPTE ST 2094-40.
Split into simpler sentences: HDR10 +, also known as HDR10 Plus, was announced on April 20,2017, by Samsung and Amazon Video which updates HDR10 by adding dynamic metadata. The dynamic metadata is based on Samsung application SMPTE ST 2094-40.