A DC-blocking filter useful for highlighting changes in control signals. More...

#include <DCfilter.h>

Public Member Functions
	DCfilter (float pole)
	Instantiate a DC-blocking filter. More...

int	next (int x)
	Filter the incoming value and return the result. More...

Detailed Description

A DC-blocking filter useful for highlighting changes in control signals.

The output of the filter settles to 0 if the incoming signal stays constant. If the input changes, the filter output swings to track the change and eventually settles back to 0.

Definition at line 32 of file DCfilter.h.

Constructor & Destructor Documentation

◆ DCfilter()

DCfilter::DCfilter ( float pole )

inline

Instantiate a DC-blocking filter.

Parameters

pole	sets the responsiveness of the filter, how long it takes to settle to 0 if the input signal levels out at a constant value.

Definition at line 40 of file DCfilter.h.

Member Function Documentation

◆ next()

int DCfilter::next ( int x )