Source: Kumar, S., Singh, S., & Kumar, P. (2020). Blu-ray Remuxing in 4K: A Survey of Tools, Techniques, and Challenges. ACM Computing Surveys, 53(2), 1-36.
is a file containing the exact video and audio streams found on a physical disc, simply transferred into a different digital container (usually Zero Transcoding: bluray remux 4k
Enter the . For enthusiasts—often called "cinephiles" or "data hoarders"—the remux represents the holy grail: a bit-perfect, uncompromised digital clone of the original 4K Blu-ray disc, without any loss in video or audio quality. Source: Kumar, S