Ds Ssni987rm Reducing Mosaic I Spent My S Hot (UHD)

However, I'm going to take a guess that you might be referring to a product or technology related to reducing mosaic or noise in images or videos, possibly something from a brand or series like "DS" (which could stand for several things, including "DeepSky" or another acronym) and a model or product code "SSNI987RM."