If you have an MP4 and want to add or change its Hindi audio, look for these AI-driven features:
For files, the best features depend on whether you are trying to create content or learn from it. Content Creation (Dubbing & Voiceovers)
The Best Tool for Beginners to Understand Hindi Conversations
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.
If your "talking MP4" is a lesson or movie you're using to learn, these features are essential: