Bd25 | Shrinking

| Codec | Target Bitrate (CBR) | Final Size | SSIM (vs source) | VMAF (mean) | |-------|----------------------|------------|------------------|-------------| | H.264/AVC | 25 Mbps | 22.5 GB | 0.942 | 82.1 | | H.265/HEVC | 12 Mbps | 10.8 GB | 0.971 | 91.4 | | AV1 (software) | 8 Mbps | 7.2 GB | 0.965 | 88.7 |

| Parameter | Theoretical | Observed Average (Physical Shrink) | |-----------|-------------|-------------------------------------| | Max LBA count | 12,219,392 | 11,987,200 – 12,105,728 | | Effective capacity | 25.0 GB | 24.55 – 24.80 GB | | Loss | 0% | 0.8% – 1.8% | shrinking bd25