graph TD A[VoiceOverMaker MP3 URL] --> B(Extract MP3 Audio From MP4 File #191) B --> C{MP4 URL} A --> D(Get Transcription Of MP3 With Timings #188) D --> E{Transcription with timings} C --> F(Generate Talking Head Video From MP3 #219) E --> F G[Selected talking head image URL] --> F F --> H{Talking Head Video MP4 URL}