: This stands for High Efficiency Video Coding. It's a video compression standard that allows for efficient video encoding and decoding. HEVC is especially useful for 4K and high-definition videos as it provides a better compression ratio than previous standards like H.264/AVC.
AMZN Web-DL (Original stream from Amazon Prime Video) Bharat.2019.1080p.AMZN.WeB.DL.HEVC.DDP.5.1.DusIcTv
The presence of "DusIcTv" in the filename could imply several things: : This stands for High Efficiency Video Coding