For files, the best features depend on whether you are trying to create content or learn from it. Content Creation (Dubbing & Voiceovers)

If your "talking MP4" is a lesson or movie you're using to learn, these features are essential:

For a professional "talking" feel without recording, CapCut and Minimax.io provide authentic Hindi voice templates with adjustable pacing and regional accents. Language Learning & Mastery

VEED.IO and Maestra AI allow you to record a sample of your own voice and then generate Hindi narration that sounds exactly like you.