graph TD A[Text Script] --> B{Script Length} B -->|Over 4000 characters| C[Divide Script] C --> D[Convert Part 1 to MP3] C --> E[Convert Part 2 to MP3] C --> F[Convert Part 3 to MP3] C --> G[Convert Part 4 to MP3] D --> H[Concatenate MP3s] E --> H F --> H G --> H B -->|Under 4000 characters| I[Convert to MP3] I --> J[Final MP3 Voice-Over] H --> J