graph TD A[YouTube URL] --> B{Extract & Download Section Of YouTube Video URL} B -->|Time point 1| C[MP4 URL 1] B -->|Time point 2| D[MP4 URL 2] B -->|Time point 3| E[MP4 URL 3] F[Snippet duration] --> B C --> G{Convert mp4 to mp3} D --> G E --> G G -->|MP4 URL 1| H[MP3 URL 1] G -->|MP4 URL 2| I[MP3 URL 2] G -->|MP4 URL 3| J[MP3 URL 3]