SadTalker-Video-Lip-Sync (SVLS) is a video lip-synthesis tool based on the SadTalkers implementation, focusing on voice-driven generation of realistic digital human lip movements. The project implements two core functions through deep learning techniques:
- Speech-driven lip generation: Synchronize the input audio file (e.g. wav format) with the portrait in the video to generate natural matching lip movements.
- Screen Quality Enhancement: Provides configurable facial area enhancement options, including localized lip enhancement or full-face enhancement, to dramatically improve the clarity of the resulting video.
Particularly noteworthy is the project's innovative use of the DAIN (Depth-Aware Video Frame Interpolation) interpolation algorithm, which is able to intelligently complement the frame of the generated video, increasing the video smoothness from 25fps to 50fps and making the transition of lip movements more natural and smooth. These technical features make SVLS valuable in virtual anchor, online education, film and television dubbing and other scenarios that require high-quality digital human lip synchronization.
This answer comes from the articleSVLS: SadTalker Enhanced to Generate Digital People Using Portrait VideoThe
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