WARM / plugin 02
harmonic saturation done right.
tape, tube, transformer. three characters with distinct harmonic signatures. Chebyshev polynomial waveshaping with per-character asymmetric soft clippers.
features
what makes WARM different.
three real characters
tape is warm and odd-harmonic. tube adds rich even harmonics via bias-shifted clipping. transformer goes deep with quadratic asymmetry. they actually sound different.
Chebyshev waveshaping
each harmonic is controlled independently using Chebyshev polynomials. not random distortion — precise harmonic architecture.
spectral-aware drive
per-band spectral pre-gain shapes the signal before saturation. the spectral display shows exactly what's happening.
program-dependent response
an envelope follower modulates drive with input level. louder signals push harder — like real analog circuits.
under the hood
the signal path.
spectral pre-gain
STFT analysis with 40 ERB bands shapes the signal before saturation. each frequency region gets independent drive control via the spectral display.
per-character soft clipping
tape uses symmetric tanh. tube uses a bias-shifted sigmoid that naturally generates even harmonics. transformer adds a quadratic asymmetry term for deep even-harmonic richness.
Chebyshev polynomial waveshaping
7th-order Chebyshev polynomials give independent control of each harmonic. the fundamental is always protected — only harmonics 2-7 scale with drive.
4x oversampling
pushes Nyquist to 88.2 kHz. even the 7th harmonic of audible content stays below the aliasing threshold. clean saturation, no artifacts.
K-weighted auto-compensation
loudness-matched output using ITU-R BS.1770 weighting. the saturated signal never sounds louder than the dry — you hear the character, not the volume.
specifications
the numbers.
system requirements
go deeper
full documentation.
controls, presets, how the Chebyshev waveshaping pipeline works, character guide, quick start recipes, and technical specs.
read the docs