Mix two tones with noise and watch a WebGPU frequency transform reveal what is hard to see in the waveform. The scrolling waterfall preserves the spectrum over time.
checking WebGPU…
A 1.20 kHzB 3.90 kHztransform —
WebGPU computes the spectrum; Canvas 2D draws the waveform, spectrum, and waterfall. Move the tone sliders while it runs.