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        "# Spark-H3 + DMAD 4-step LoRA\n\n- LoRA: `dmad_minimax_h3_4step_lora_critic_comfyui_bf16.safetensors` at strength 1.0.\n- Model sampling: MiniMax-H3 video shift 12, audio shift 2.\n- Scheduler: `simple`, 4 steps; Spark `steps=4`, `warmup_ratio=0.25` (first evaluation dense), `topk_ratio=0.2`, `dense_layers=1`.\n- Sampler: `MiniMaxH3DMADSampler`, implementing DMAD's re-noise rule.\n- Upstream DMAD sweater prompt; T2VA with synchronized audio: 124 frames (5.2 s) at 24 fps, 1344×768, seed 42.\n- Load the converted LoRA, apply the 12/2 sigma shift, then Spark; Spark output feeds both BasicGuider and BasicScheduler.\n"
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