| Parameter | Value | |-----------|-------| | | MKV or MP4 | | Codec ID | V_MPEGH/ISO/HEVC (Main 10@L4.0) | | Resolution | 1920x1080 | | Display aspect ratio | 16:9 | | Color space | BT.709 | | Bit depth | 10-bit (prevents posterization in Mary’s floral wallpaper) | | Average bitrate | ~4,800 kbps | | Audio | E-AC-3 (Dolby Digital Plus) 5.1 @ 640 kbps or AAC 2.0 @ 256 kbps | | Chapter markers | Present (typically 6 chapters) | 6. Comparative Viewing Test (Subjective) We compared three copies of S01E19 on a 55” OLED display:
| Source | Codec | Bitrate | Visible artifacts in dark scenes (e.g., Sheldon in bed at 00:22:00) | |--------|-------|---------|----------------------------------------------------------------------| | Old HDTV broadcast rip | MPEG-2 | 12 Mbps | Blocking in shadows, color banding on pillow | | Streaming H.264 | AVC | 7 Mbps | Minor banding on wall gradient | | Streaming HEVC | HEVC 10-bit | 4.5 Mbps | None. Smooth gradients, fine shadow detail. | young sheldon s01e19 hevc