class FMOD::Effects::ITLowPass

This unit filters sound using a resonant low-pass filter algorithm that is used in Impulse Tracker, but with limited cutoff range (0 to 8060hz).

This is different to the default {LowPass} filter in that it uses a different quality algorithm and is the filter used to produce the correct sounding playback in .IT files.

FMOD Studio's .IT playback uses this filter.

@note This filter actually has a limited cutoff frequency below the

specified maximum, due to its limited design, so for a more open range
filter use {LowPass} or if you don't mind not having resonance,
{LowPassSimple}.

The effective maximum cutoff is about 8060hz.

@attr cutoff [Float] Low-pass cutoff frequency in Hz.

* *Minimum:* 1.0
* *Maximum:* 22000.0
* *Default:* 5000.0

@attr resonance [Float] Low-pass resonance Q value.

* *Minimum:* 0.0
* *Maximum:* 127.0
* *Default:* 1.0