Centre / cutoff frequency in Hz.
OptionalQFilter resonance / quality factor. Defaults to the WebAudio default (1).
Filter shape — "lowpass", "highpass", "bandpass",
"lowshelf", "highshelf", "peaking", "notch", or
"allpass". See the WebAudio BiquadFilterNode docs.
Optional band-shaping filter applied to the procedural noise burst produced by
noise. Mirrors a subset of the WebAudioBiquadFilterNodeconfiguration so users can sculpt the spectral colour without dropping to a custom WebAudio graph.