Articles
First-hand R&D notes on the DSP behind Qingtan.
What Audio DSP Is: From Sampling to Real-Time Processing
Understand digital signal processing (DSP) in one sentence, and see how it changes sound in real time inside an audio plugin.
DSPaudio processingpluginDrive Without Losing the Low End: A Three-Layer Saturation
A single waveshaper distorts a bass into mush. For Qingtan I keep a clean foundation and layer the grit on top — here's why three layers beat one.
drivesaturationDSPbassR&DVoicing the Filter: Picking an SVF for a Bass Envelope Filter
Biquad, FIR, or state-variable? For a bass envelope filter that has to sweep fast without falling apart, the state-variable filter won.
filterSVFDSPbassR&DDesigning the Sub-Octave: Why I Divide Instead of Pitch-Shift
There are three common ways to build an octave-down effect. For a bass-focused plugin I chose zero-crossing frequency division — here's the reasoning.
octaveDSPbassR&D