LowPassFilter

This class stores low-frequency and high-frequency gain values and can be used to create a low pass filter (in your engine).

public class LowPassFilter
{
    // High-frequency gain in the range 0.0 to 1.0
    public float gainHF;

    // Low-frequency gain in the range 0.0 to 1.0
    public float gainLF;
}