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Diff2Lip

Ch 196.2of 27 AI Video Lip Sync Tools
  1. 1Runs onLinux, self-hosted
  2. 2CostsNot stated by the maker
1 lines stated Written from the maker's own pages
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The Diff2Lip homepage

Overview

Diff2Lip is ranked #19 of 27 in AI video lip sync tools on Specifiction. It runs on Linux, Self-hosted.

Facts

Purpose
Diff2Lip is an audio-conditioned diffusion model for synchronizing speech with face videos.github.com · 4 Oct 2026
Input and output
The project describes its task as turning arbitrary speech and face videos into high-quality lip-synced video.github.com · 4 Oct 2026
Identity preservation
The project says its generated video frames preserve identity without identity loss.soumik-kanad.github.io · 4 Oct 2026
Applications
The project lists movies, education, and virtual avatars as applications, and video conferencing as a possible future application.soumik-kanad.github.io · 4 Oct 2026
Not real time
The project states that Diff2Lip is not real time yet.soumik-kanad.github.io · 4 Oct 2026
Research results
The project reports reconstruction and cross-audio-video results on VoxCeleb2 and LRW datasets.soumik-kanad.github.io · 4 Oct 2026
Inference
The repository includes scripts for lip-sync inference on audio-video pairs and on a single video.github.com · 4 Oct 2026
Inference modes
The repository documents cross mode to drive a video with an audio source and reconstruction mode to drive the video's first frame with an audio source.github.com · 4 Oct 2026
GPU requirement
The inference instructions include a NUM_GPUS setting and say values greater than one run distributed generation.github.com · 4 Oct 2026
Try it
The project links to a Google Colab notebook for trying Diff2Lip.github.com · 4 Oct 2026
License
The repository says its code and text are licensed under CC BY-NC 4.0, which permits sharing and adaptation with attribution for noncommercial purposes.github.com · 4 Oct 2026
Commercial use
The repository's license description says the work may not be used for commercial purposes.github.com · 4 Oct 2026
Research publication
The repository identifies Diff2Lip as a WACV 2024 paper.github.com · 4 Oct 2026
Setup
The README setup instructions use Python 3.9, FFmpeg 5.0.1, and the repository's requirements file.github.com · 4 Oct 2026

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Sources