graph TD A[Start: Input 4 MP3 Segments] --> B1[Process Segment 1] A --> B2[Process Segment 2] A --> B3[Process Segment 3] A --> B4[Process Segment 4] subgraph Segment1 B1 --> C1[Get Transcription: Skill #198] C1 --> D1[Generate Avatar Video: Skill #168] D1 --> E1[MP4 Output - Angle 1] end subgraph Segment2 B2 --> C2[Get Transcription: Skill #198] C2 --> D2[Generate Avatar Video: Skill #168] D2 --> E2[MP4 Output - Angle 2] end subgraph Segment3 B3 --> C3[Get Transcription: Skill #198] C3 --> D3[Generate Avatar Video: Skill #168] D3 --> E3[MP4 Output - Angle 3] end subgraph Segment4 B4 --> C4[Get Transcription: Skill #198] C4 --> D4[Generate Avatar Video: Skill #168] D4 --> E4[MP4 Output - Angle 4] end E1 --> F[Collect All MP4 URLs] E2 --> F E3 --> F E4 --> F F --> G[Final Output: Array of 4 MP4 URLs]