Seamless MiniMax H3 Video Chaining: Motion and Audio Continue Across Clips
Sad_Berry_4621 · reddit · 2026-08-07
A developer released a free ComfyUI node pack for the MiniMax H3 model, solving a major pain point in video generation: seamless clip chaining.
- Motion Continuity: By unlocking H3's keyframe system to allow intermediate frames, the pack enables continuous motion between two independently generated 6-second clips.
- Audio Breakthrough: Audio continuity was the real challenge. Using cross-correlation and time-coordinate remapping, the developer fixed offbeat timing at the seams, boosting waveform correlation from 0.45 to over 0.95.
- Open Source: The project is GPL-3.0 licensed and includes workflow JSON and measurement scripts. The author honestly notes limitations like slight audio dulling over long chains.
Related event: MiniMax H3 Local Long Video Generation: Splicing and Anti-Drift Techniques(5 posts)→
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