Added emulation of a CEM3320-based 4th-order LPF, and used it on the linndrum. #14264
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…rum. * Added a generic 4-th order LPF (VA_LPF4), based on the implementation in esq1.cpp. * Added a CEM3320_LPF4 specialization. * Used the CEM3320_LPF4 on the linndrum. * Implemented the corresponding VCF envelope generators on the linndrum.
rb6502
reviewed
Oct 12, 2025
Renamed LOG_CV_OFFSET to LOG_CALIBRATION.
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esq1.cpp, with credit on the file copyright.The LinnDrum VCFs do not use resonance. Resonance functionality was tested by locally using the resonance configuration of the prophet5.