Multi-Band Mid/Side Phase-Correlation Heatmap & Mono-Folddown Loss Auditor

Deterministic 24-band Linkwitz-Riley filterbank Pearson L/R correlation r(f,t) + L+R vs sqrt(L^2+R^2) power-loss integration engine (.wav, .flac, .aiff, .pdf) built for Brainworx, iZotope, FabFilter, Flux Audio — zero-upload ephemeral Wasm RAM execution.

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