csl::PinkNoise Class Reference

#include <Noise.h>

Inheritance diagram for csl::PinkNoise:

List of all members.

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Detailed Description

Pink noise -- equal power per octave

Public Member Functions
	PinkNoise ()
	Constructors.
	PinkNoise (double ampl, double offset=0.f)
	PinkNoise (int seed, double ampl=1.f, double offset=0.f)
	~PinkNoise ()
void	nextBuffer (Buffer &outputBuffer, unsigned outBufNum) throw (CException)
	the monoNextBuffer method is where the DSP takes place
sample	nextPink ()
	returns the next pink noise sample
Protected Member Functions
void	initialize (int numRows)
	set up PinkNoise for N rows of generators
Protected Attributes
int	mPinkRows [PINK_MAX_RANDOM_ROWS]
	Pink noise generator rows.
int	mPinkRunningSum
	Used to optimize summing of generators.
int	mPinkIndex
	Incremented each sample.
int	mPinkIndexMask
	Index wrapped by ANDing with this mask.
float	mPinkScalar
	Used to scale within range of -1.0 to +1.0.

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Constructor & Destructor Documentation

PinkNoise::PinkNoise (   )

Constructors. Most of this code was taken from an public domain C implementation written by Phil Burk. The code and the webpage explaining it is at http://www.firstpr.com.au/dsp/pink-noise/phil_burk_19990905mPatestmPink.c and http://www.firstpr.com.au/dsp/pink-noise/

PinkNoise::PinkNoise (  double  ampl, double  offset = 0.f )

PinkNoise::PinkNoise (  int  seed, double  ampl = 1.f, double  offset = 0.f )

csl::PinkNoise::~PinkNoise (   )  [inline]

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Member Function Documentation

void PinkNoise::nextBuffer (  Buffer &  outputBuffer, unsigned  outBufNum )  throw (CException)

the monoNextBuffer method is where the DSP takes place

sample PinkNoise::nextPink (   )

returns the next pink noise sample

void PinkNoise::initialize (  int  numRows  )  [protected]

set up PinkNoise for N rows of generators

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Member Data Documentation

int csl::PinkNoise::mPinkRows[PINK_MAX_RANDOM_ROWS] [protected]

Pink noise generator rows.

int csl::PinkNoise::mPinkRunningSum [protected]

Used to optimize summing of generators.

int csl::PinkNoise::mPinkIndex [protected]

Incremented each sample.

int csl::PinkNoise::mPinkIndexMask [protected]

Index wrapped by ANDing with this mask.

float csl::PinkNoise::mPinkScalar [protected]

Used to scale within range of -1.0 to +1.0.

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

• CSL/Sources/Noise.h
• CSL/Sources/Noise.cpp

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