AI-Powered Multilingual Video Dubbing with Voice Preservation & Lip-Sync

Translate Videos with Voice Preservation & Lip-Sync

Preserves original speaker voice, pitch, and style in any Indian or global language, while synchronizing speaker mouth movements using AI.

🎙️ Original (Source) Language
Auto ➔ English
🌐 Target Dubbing Language
Quick Demos:
🧬 Speaker Voice Preservation
Profiles original speaker's fundamental pitch (F0), cadence & dynamics to match tone and style
Visual Face & Vocal Pitch Gender Analysis
Vision AI detects face on screen: 👦 Boy = Male Audio, 👧 Girl = Female Audio
🤖 AI Lip Synchronization (Wav2Lip / Face-Sync)
Adjusts speaker mouth movements to match translated speech using OpenCV face tracking & audio mel-windows
🛡️
8 GB RAM Laptop Protection Active: Streaming frame micro-batches (N=4) and speech-selective processing (skips 60%+ non-speech/music frames) ensure total RAM usage stays strictly under 1.5 GB. Gaussian feathered elliptical alpha blending eliminates visible mouth seams.
Export Subtitle Files
Automatically saves .SRT, .VTT, and Bilingual Subtitle files for instant download
Interactive Script Proofreader & Pacing Studio
Allows you to review, edit translated dialogue, reassign Boy/Girl voices, or auto-optimize syllable pacing
💡
AI Pacing Optimization: Trims unnecessary filler words so the translation fits the speaker's exact speaking time down to the millisecond!
⚡ Live AI Pacing Test Bench Test how conversational filler words get trimmed to match speech duration
0% (Clean Dub)
Clean Dub (0%) Subtle (15%) Loud (100%)