It includes the lossless Atmos, DTS:X, or TrueHD tracks exactly as they were authored.
| Feature | Netflix/Disney+ (4K) | 4K Blu-ray Remux Exclusive | | :--- | :--- | :--- | | | 15-25 Mbps | 60-120 Mbps | | Audio | Dolby Digital Plus 5.1/Atmos (lossy) | TrueHD Atmos (Lossless) | | Bandwidth artifacts | Banding, macroblocking in dark scenes | None. Grain structure is intact. | | File Size | ~15-20 GB | ~70-90 GB | 4k bluray remux exclusive
A standard 4K Ultra HD Blu-ray disc holds a massive amount of data—often between 66GB (dual-layer) and 100GB (triple-layer). These discs contain video encoded with the codec, high dynamic range (HDR10, Dolby Vision, or HLG), and lossless object-based audio (Dolby Atmos or DTS:X). It includes the lossless Atmos, DTS:X, or TrueHD