Sync V1.9 — Quality Meets Control
The most versatile lip sync model on the platform. Sync V1.9 delivers the highest output quality with 5 flexible loop modes, giving you full control over how your video handles timing differences.
Model Specifications
5 Loop Modes — Full Control
Unlike other models, Sync V1.9 lets you choose exactly how the video behaves when the audio is longer or shorter than the clip.
Bounce
bounceVideo plays forward then reverses, creating a seamless back-and-forth loop. Default mode.
Loop
loopVideo repeats from the beginning, cycling continuously to fill the audio duration.
Cut Off
cut_offVideo plays once and stops when it reaches the end, regardless of audio length.
Silence
silenceVideo plays once, then freezes on the last frame while audio continues.
Remap
remapVideo playback speed is adjusted to match the audio duration exactly.
Showcase of Sync V1.9 Model
Real examples generated with Sync V1.9 (selected from database, excluding paid users).
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Why Choose Sync V1.9?
When quality and flexibility both matter, Sync V1.9 is the answer
Highest Output Quality
Sync V1.9 produces the most natural-looking lip movements on the platform, with superior facial detail preservation and minimal artifacts.
5 Loop Modes
Choose exactly how your video handles timing: bounce, loop, cut off, silence, or remap. No other model gives you this level of creative control.
Speed Without Compromise
Despite delivering the highest quality, Sync V1.9 processes quickly — giving you a fast turnaround without sacrificing the result.
How Sync V1.9 Works
Audio Analysis
Sync V1.9 performs deep phoneme extraction, capturing subtle timing nuances that result in more natural, expressive lip movements.
Loop Mode Applied
Based on your chosen loop mode, the model determines how to handle any duration mismatch between audio and video before generating the sync.
High-Fidelity Synthesis
The model renders precise lip shapes frame-by-frame using lipsync-1.9.0-beta, producing a final video with the highest coherence between audio and motion.
Performance Metrics
💡 Pro Tip: Use Bounce mode (default) for most content — it creates the most natural loop. Switch to Remap when you need the video to match the audio duration exactly.
Built For Professional Creators
When you need the best result and won't settle for less
Music Videos
Full song sync with bounce mode for seamless natural-looking loops
Brand Videos
High-fidelity output for commercial-grade spokesperson content
Multilingual Dubbing
Remap mode adjusts playback speed to match dubbed audio precisely
Film & Narrative
Cinematic quality sync for short films and storytelling content
Not Sure Which Model to Use?
Compare all available AI lip sync models side by side
Compare All Models →Ready for the Highest Quality Lip Sync?
Sync V1.9 gives you the best output quality on the platform with 5 loop modes for complete creative control. Try it free — no technical skills required.
