MiniMax H3 Acceleration v0.2.1: Offline Smoothing Replay Fixes Audio Quality Loss
marres · reddit · 2026-08-09
Reddit user marres released v0.2.1 of the ComfyUI plugin Spectrum MiniMax H3, introducing a new offline smoothing replay method to fix audio quality degradation during accelerated generation.
- Previous v0.1.8 settings reduced sampler time by 45% but caused rough audio and unstable speech.
- The new method separates video and audio spectral blend weights and uses a two-pass approach: isolated anchor capture and offline smoothing replay, preserving acceleration while improving audio fidelity.
- This method is not part of the original Spectrum paper but is a custom optimization for MiniMax H3.
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