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serumalt/Source
biggy dc6fd88ed1 refactor(filter): cache coefficients and extract cutoff calculation
Add updateCoefficients() that short-circuits when cutoff, resonance,
and type are unchanged. Cache ladderG and formantCoefficients so
processSample() avoids redundant exp()/tan() calls per sample.

Extract static getCutoffHz() from Filter::process() so FilterBank
can compute the keytracked cutoff once per parallel branch instead
of per sample. Simplify formant() and screamer() signatures to use
cached state.
2026-09-09 14:32:49 +02:00
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