| Format | Video | Audio | Source | |--------|-------|-------|--------| | | Lossless (AVC) | Lossless (DTS-HD MA / TrueHD) | Physical disc | | WEB-DL (untouched) | High bitrate (lossy but transparent) | E-AC-3 (usually 640 kbps) | iTunes/Amazon/Netflix | | High-bitrate encode | x264/x265 ~15+ Mbps | FLAC / PCM (if re-encoded) | From Remux |

For a modern TV episode, true lossless is rare in distribution. The closest options:

To actually benefit from lossless: