Improved PoC

• Code refactor
• Use LLM (Gemini) for translation.
• Merge subtitle segments to have a smoother flow.
• Insert silence instead of slowing down auto-dubbing.

PoC version

Full pipeline:

• Download video
• Download subtitles
• Translate subtitles
• Extract audio
• Split background audio from voice
• Generate voice audio based on translated subtitles
• Merge generated dubbing with original background audio
• Merge original video track with new audio track and save as new file