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WorkflowsPublished: Jan 21, 2026Updated: Feb 4, 2026

How to Fix Lip-Sync Mismatch and Frame Flicker in AI Video

If you keep regenerating without diagnosis, costs rise quickly. This workflow helps isolate and fix root causes.

WeryAI Editorial Team·7 min read
Fixing lip sync and frame flicker

Identify the root cause first

Lip-sync mismatch often comes from tempo mismatch between audio and motion. Flicker often comes from unstable motion and over-detailed scenes.

Repair order that works

Reduce complexity first, constrain camera behavior second, and apply concise negative prompts third.

Post-production fallback

For mild defects, local regeneration plus rhythm-aware editing is often enough.

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