OVERVIEW
apulSoft apShaper is an audio effect plugin to add harmonic distortion to audio signals. It combines a waveshaper with three filter bands and various modulation options – two LFOs, a dynamics detector, and user-configurable knobs.
apShaper can simulate multiple types of distortion, including tape and tube saturation, wave folding, and analog bit crushing.
The three filter bands offer high-quality filtering without high-frequency squeezing. The variable-slope low-pass filter type provides smooth slopes not possible with traditional filtering – ideal to gently shape signals with large amounts of distortion applied. Multiple tone control types modelled after classic circuits allow classic bass/mid/treble tone shaping.
DISTORTION WITHOUT DIGITAL ARTIFACTS
apShaper uses sophisticated algorithms to reduce the big problem of digital distortion – unwanted nonharmonic noise. It performs analog waveshaping using numerical integration. The distortion is applied to a continuous model of the audio signal. This reduces digital artifacts more than traditional oversampling could, especially if the transfer curve is not smooth (wave folding/bit crushing).
![apulSoft apShaper [WiN, MacOSX]](https://i0.wp.com/vsttreasures.com/wp-content/uploads/2025/06/aa_c3ee8bab-02dd-4c12-a1a9-e12b821d375e.png?fit=684%2C312&ssl=1)





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