Fix shifted audio-to-audio schedules across backends - #94
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Warp the normalized [1 -> 0] grid before scaling by sigma_max so reference, MLX, and TensorRT schedules stay monotonic and aligned with the init-audio mix. Full-noise generation at sigma_max=1 is unchanged. This rebases the correction originally authored by CJ Carr on the Stability-AI/sa3-a2a-monotonic-schedule branch (1a5d43a) onto current main and adds focused reference-sampler regression tests. Co-authored-by: CJ Carr <emperorcj@gmail.com>
This was referenced Aug 3, 2026
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opened by rogue agent. reviewing.