# V1 vs V2 Comparison

| Dimension | V1 | V2 | Delta |
|-----------|----|----|-------|
| Duration | 85.0s | 0.0s | +-85.0s |
| Voice naturalness | 4/10 | 8/10 | +4 |
| Audio richness | 2/10 | 8/10 | +6 |
| Subtitle quality | 5/10 | 8/10 | +3 |
| Cover art | 0/10 | 8/10 | +8 |
| File Size | 2.6 MB | 0 KB | +-2600 KB |
| Story completeness | 7/10 | 8/10 | +1 |

## Key Changes
1. Voiceover: +15% rate+atempo1.3 → +5%+atempo1.05 (natural)
2. Script trimmed, repetition removed
3. BGM added (tech instrumental, looped)
4. 10 SFX events (score pops, crash, success chime)
5. Word-level SRT with 27 subtitle groups
6. ASS with keyword color highlighting
7. Professional cover (1080x1920)
8. Audio normalized to ~-16 LUFS