KWeightingFilter Class Reference

The two stage K-weighting filter from ITU-R BS.1770: a high shelf that models the acoustic effect of the head followed by a high pass. More...

#include <gin_loudnessmeter.h>

Classes
struct	Coefficients

Public Member Functions
void	prepare (double sampleRate, int numChannels)
void	reset ()
void	process (juce::AudioBuffer< float > &buffer)
void	process (float *samples, int numSamples, int channel)
int	getNumChannels () const

Static Public Member Functions
static Coefficients	stage1Coefficients (double sampleRate)
	The pre-filter (high shelf) for a given sample rate.
static Coefficients	stage2Coefficients (double sampleRate)
	The RLB weighting (high pass) for a given sample rate.

Detailed Description

The two stage K-weighting filter from ITU-R BS.1770: a high shelf that models the acoustic effect of the head followed by a high pass.

Processes audio in place, one filter state per channel.

Member Function Documentation

stage1Coefficients()

static Coefficients KWeightingFilter::stage1Coefficients ( double  sampleRate )

static

The pre-filter (high shelf) for a given sample rate.

stage2Coefficients()

static Coefficients KWeightingFilter::stage2Coefficients ( double  sampleRate )

static

The RLB weighting (high pass) for a given sample rate.

prepare()

void KWeightingFilter::prepare	(	double	sampleRate,
		int	numChannels
	)

reset()

void KWeightingFilter::reset

(

)

process() [1/2]

void KWeightingFilter::process

(

juce::AudioBuffer< float > &

buffer

)

process() [2/2]

void KWeightingFilter::process	(	float *	samples,
		int	numSamples,
		int	channel
	)

getNumChannels()

int KWeightingFilter::getNumChannels

(

)

const

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

• gin_loudnessmeter.h