graph TD A[Text Script Input] --> B[Initial Audio Generation] B --> C[Generate MP3 with #170] C --> D[Quality Verification Process] D --> E[Get Timing Data #198] D --> F[Create Waveform #179] D --> G[Analyze Quality #176] E & F & G --> H{Quality Check} H -->|Pass| I[Final MP3 Output] H -->|Fail| J[Audio Refinement] J --> K[Convert to WAV #178] K --> L[Process Audio #219] L --> M[Final Processing] M --> I I --> N[Return MP3 URL]