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syn::RbjFilter Class Reference

Robert Bristow-Johnson filter. More...

#include <Filter.h>

List of all members.

Public Methods
	RbjFilter ()
void	filter (float &sample)
	digital filter. More...
void	setup (float frequency, float sampRate, float dBgain=20.0f, float Q=1.0f)
void	setCutoff (float frequency, float sampRate)
	make this filter low pass, with fc cuttoff frequency. More...
Public Attributes
float	A
float	omega
float	sn
float	cs
float	alpha
float	beta

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Detailed Description

Robert Bristow-Johnson filter.

by Robert Bristow-Johnson, pbjrbj@viconet.com a.k.a. robert@audioheads.com

Todo:

: doesn't work! I don't know why...

Definition at line 236 of file Filter.h.

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Constructor & Destructor Documentation

syn::RbjFilter::RbjFilter ( ) [inline]

Definition at line 239 of file Filter.h.

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Member Function Documentation

void syn::RbjFilter::filter ( float & sample ) [inline]

digital filter. Example (how to use this filter on a buffer of float-type samples) /code for (int x = 0; x < buf.size(); ++x) { f.filter( buf[x] ); } /endcode Definition at line 252 of file Filter.h.

void syn::RbjFilter::setup ( float frequency, float sampRate, float dBgain = 20.0f, float Q = 1.0f ) [inline]

Definition at line 276 of file Filter.h. Referenced by setCutoff().

void syn::RbjFilter::setCutoff ( float frequency, float sampRate ) [inline]

make this filter low pass, with fc cuttoff frequency. Parameters: fc   Positive value in Herz between 0 and Nyquist frequency (samplingrate / 2). sampRate   sampling rate of your data in hz. Definition at line 293 of file Filter.h.

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Member Data Documentation

float syn::RbjFilter::A

Definition at line 270 of file Filter.h.

float syn::RbjFilter::omega

Definition at line 271 of file Filter.h.

float syn::RbjFilter::sn

Definition at line 272 of file Filter.h.

float syn::RbjFilter::cs

Definition at line 273 of file Filter.h.

float syn::RbjFilter::alpha

Definition at line 274 of file Filter.h.

float syn::RbjFilter::beta

Definition at line 275 of file Filter.h.

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

• /root/src/subsynth/syn/Util/Filter.h

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