: This is the compression codec used to encode the video. While x264 (H.264) is highly compatible with most devices, 4K content is more commonly encoded in

This stands for Dolby Digital Plus 5.1 surround sound.

Amateur stars as Terron Forte, an 8th-grade basketball prodigy who is recruited to an elite prep school. The story focuses on: The Missed Opportunity That is Netflix's 'Amateur' | Medium

. For a 4K movie, this is considered a very "lean" or highly compressed file, as typical 4K high-quality rips are usually 15GB to 50GB. : This refers to Dolby Digital Plus 5.1