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Why guitar amp impulse responses can't model distortion

Original: A guitar amp IR captures frequency shaping. It cannot capture harmonic generation, because a linear impulse response ass

Audio developer Tonalux explains that a guitar amp impulse response only captures an amp's frequency shaping, not its harmonic generation. Because a linear impulse response assumes the system creates no new frequencies, it cannot reproduce the distortion and saturation that define amp character. The post points readers to a blog article on Volterra series and nonlinear audio as a way beyond impulse-response modelling.

Why now: A technical explainer on the limits of impulse-response amp modelling is resonating with music production and sound design communities.

TonaluxVolterra seriesguitar amplifiers

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Evidence

• A guitar amp IR captures frequency shaping. It cannot capture harmonic generation, because a linear impulse response assumes the system creates no new frequencies. https:// tonalux.org/blog/volterra-seri es-nonlinear-audio-beyond-impulse-response # MusicProduction # SoundDesign… · tonalux · 3

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