Spectral De-Essing,
Reinvented
AHFSC uses adaptive spectral analysis to identify and control harsh sibilance with surgical precision -- transparent, artifact-free, and engineered for professionals.
Processing
64-bit
Latency
0 samples
Formats
VST3 / AU / AAX
Price
€89
Why AHFSC
Every parameter is engineered around real-world audio problems. AHFSC does not guess -- it measures, adapts, and corrects.
Full SpecificationsAdaptive Spectral Detection
Real-time FFT analysis continuously tracks the spectral content, identifying sibilant energy with precision that traditional wideband detection cannot match.
Transparent Processing
Operates in the spectral domain to reduce harsh high-frequency content without dulling the surrounding frequencies. Zero artifacts, zero coloring.
Zero-Latency Mode
Lookahead-free processing path for live monitoring and tracking sessions. No compromise between real-time performance and surgical control.
Tone Shift Control
Fine-tune the spectral character of the reduction curve. Shift the processing focus to tailor the de-essing to the specific source material.
DSP Plugin Suite
Each plugin is engineered for transparency, precision, and minimal CPU overhead. Available as VST3, AU, and AAX for macOS and Windows.
AHFSC
Spectral De-Esser
Adaptive High Frequency Spectral Control
Precision spectral processing for high-frequency content. AHFSC uses adaptive spectral analysis to identify and control harsh sibilance and ...
14-day full version available
ATC
Intelligent Transient Designer
Adaptive Transient Control
Intelligent transient shaping with adaptive detection. ATC analyzes incoming audio to distinguish transient content from sustained material,...
14-day full version available
SessionStrip
Free Utility Plugin
Lightweight Spectral Shaper
A lightweight spectral utility for quick tonal adjustments. SessionStrip provides essential spectral shaping tools in a minimal, CPU-efficie...
Complete Bundle — all three plugins
Every KeskoLabs DSP plugin in one purchase. You receive individual perpetual licenses for AHFSC and ATC — SessionStrip is free for everyone.
AHFSC · ATC · SessionStrip