ButterworthCalculator Class Reference

The ButterworthCalculator class calculates fourth order Butterworth low pass filter coefficients for a dynamic DynamicIIRFilter. More...

#include <ButterworthCalculator.h>

Inheritance diagram for ButterworthCalculator:

Public Member Functions
	ButterworthCalculator (float frequency)
	Creates a ButterworthCalculator object.
virtual void	recalculateCoefficients (SampleRate rate, std::vector< float > &b, std::vector< float > &a)
	Recalculates the filter coefficients.

Detailed Description

The ButterworthCalculator class calculates fourth order Butterworth low pass filter coefficients for a dynamic DynamicIIRFilter.

Constructor & Destructor Documentation

ButterworthCalculator()

ButterworthCalculator::ButterworthCalculator

(

float

frequency

)

Creates a ButterworthCalculator object.

Parameters

frequency

The cutoff frequency.

Member Function Documentation

recalculateCoefficients()

virtual void ButterworthCalculator::recalculateCoefficients ( SampleRate rate, std::vector< float > & b, std::vector< float > & a )

virtual

Recalculates the filter coefficients.

Parameters

	rate	The sample rate of the audio data.
[out]	b	The input filter coefficients.
[out]	a	The output filter coefficients.

Implements IDynamicIIRFilterCalculator.

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The documentation for this class was generated from the following file:

• fx/ButterworthCalculator.h