Parameter IDs for the AudioEffectType.LOW_PASS_FILTER effect.
Cutoff frequency above which signals are attenuated. Range: 20.0 to 20000.0. Default: 20000.0. Unit: Hz.
Resonance (Q) at the cutoff frequency. Higher values produce a sharper peak at the cutoff. Range: 0.1 to 10.0. Default: 0.707.