ARDOUR::DSP::PerceptualAnalyzer Class Reference

#include <dsp_filter.h>

Inheritance diagram for ARDOUR::DSP::PerceptualAnalyzer:

Classes
class	Trace

Public Types
enum	ProcessMode { MM_NONE , MM_PEAK , MM_AVER }
enum	Speed {   Rapid , Fast , Moderate , Slow ,   Noise }
enum	Warp { Bark , Medium , High }

Public Member Functions
	PerceptualAnalyzer (double rate, int ipsize=4096)
	~PerceptualAnalyzer ()
	PerceptualAnalyzer (PerceptualAnalyzer const &)=delete
void	set_wfact (float wfact)
void	set_speed (float speed)
void	set_wfact (enum Warp)
void	set_speed (enum Speed)
void	reset ()
int	fftlen () const
float *	ipdata () const
Trace *	power () const
Trace *	peakp () const
float	pmax () const
void	process (int iplen, ProcessMode mode=MM_NONE)
float	freq_at_bin (const uint32_t bin) const
float	power_at_bin (const uint32_t bin, const float gain=1.f, bool pink=false) const
Public Member Functions inherited from ARDOUR::DSP::SpectrumAnalyzer
virtual	~SpectrumAnalyzer ()

Static Public Member Functions
static double	warp_freq (double w, double f)

Private Member Functions
void	init ()
float	conv0 (fftwf_complex *)
float	conv1 (fftwf_complex *)

Private Attributes
int	_ipsize
int	_icount
fftwf_plan	_fftplan
float *	_ipdata
float *	_warped
fftwf_complex *	_trdata
Trace *	_power
Trace *	_peakp
float	_fsamp
float	_wfact
float	_speed
float	_pmax
float	_fscale [513]
float	_bwcorr [513]

Static Private Attributes
static const int	_fftlen = 512

Detailed Description

Definition at line 340 of file dsp_filter.h.

Member Enumeration Documentation

ProcessMode

enum ARDOUR::DSP::PerceptualAnalyzer::ProcessMode

Enumerator
MM_NONE
MM_PEAK
MM_AVER

Definition at line 356 of file dsp_filter.h.

Speed

enum ARDOUR::DSP::PerceptualAnalyzer::Speed

Enumerator
Rapid
Fast
Moderate
Slow
Noise

Definition at line 362 of file dsp_filter.h.

Warp

enum ARDOUR::DSP::PerceptualAnalyzer::Warp

Enumerator
Bark
Medium
High

Definition at line 370 of file dsp_filter.h.

Constructor & Destructor Documentation

PerceptualAnalyzer() [1/2]

ARDOUR::DSP::PerceptualAnalyzer::PerceptualAnalyzer	(	double	rate,
		int	ipsize = 4096
	)

~PerceptualAnalyzer()

ARDOUR::DSP::PerceptualAnalyzer::~PerceptualAnalyzer

(

)

PerceptualAnalyzer() [2/2]

ARDOUR::DSP::PerceptualAnalyzer::PerceptualAnalyzer ( PerceptualAnalyzer const &  )

delete

Member Function Documentation

conv0()

float ARDOUR::DSP::PerceptualAnalyzer::conv0 ( fftwf_complex *  )

private

conv1()

float ARDOUR::DSP::PerceptualAnalyzer::conv1 ( fftwf_complex *  )

private

fftlen()

int ARDOUR::DSP::PerceptualAnalyzer::fftlen ( ) const

inline

Definition at line 384 of file dsp_filter.h.

freq_at_bin()

float ARDOUR::DSP::PerceptualAnalyzer::freq_at_bin ( const uint32_t  bin ) const

virtual

Implements ARDOUR::DSP::SpectrumAnalyzer.

init()

void ARDOUR::DSP::PerceptualAnalyzer::init ( )

private

ipdata()

float* ARDOUR::DSP::PerceptualAnalyzer::ipdata ( ) const

inline

Definition at line 385 of file dsp_filter.h.

peakp()

Trace* ARDOUR::DSP::PerceptualAnalyzer::peakp ( ) const

inline

Definition at line 387 of file dsp_filter.h.

pmax()

float ARDOUR::DSP::PerceptualAnalyzer::pmax ( ) const

inline

Definition at line 388 of file dsp_filter.h.

power()

Trace* ARDOUR::DSP::PerceptualAnalyzer::power ( ) const

inline

Definition at line 386 of file dsp_filter.h.

power_at_bin()

float ARDOUR::DSP::PerceptualAnalyzer::power_at_bin ( const uint32_t  bin, const float  gain = 1.f, bool  pink = false  ) const

virtual

Implements ARDOUR::DSP::SpectrumAnalyzer.

process()

void ARDOUR::DSP::PerceptualAnalyzer::process	(	int	iplen,
		ProcessMode	mode = MM_NONE
	)

process current data in buffer

reset()

void ARDOUR::DSP::PerceptualAnalyzer::reset

(

)

set_speed() [1/2]

void ARDOUR::DSP::PerceptualAnalyzer::set_speed

(

enum

Speed

)

set_speed() [2/2]

void ARDOUR::DSP::PerceptualAnalyzer::set_speed

(

float

speed

)

set_wfact() [1/2]

void ARDOUR::DSP::PerceptualAnalyzer::set_wfact

(

enum

Warp

)

set_wfact() [2/2]

void ARDOUR::DSP::PerceptualAnalyzer::set_wfact

(

float

wfact

)

warp_freq()

static double ARDOUR::DSP::PerceptualAnalyzer::warp_freq ( double  w, double  f  )

static

Member Data Documentation

_bwcorr

float ARDOUR::DSP::PerceptualAnalyzer::_bwcorr[513]

private

Definition at line 418 of file dsp_filter.h.

_fftlen

const int ARDOUR::DSP::PerceptualAnalyzer::_fftlen = 512

staticprivate

Definition at line 399 of file dsp_filter.h.

_fftplan

fftwf_plan ARDOUR::DSP::PerceptualAnalyzer::_fftplan

private

Definition at line 407 of file dsp_filter.h.

_fsamp

float ARDOUR::DSP::PerceptualAnalyzer::_fsamp

private

Definition at line 413 of file dsp_filter.h.

_fscale

float ARDOUR::DSP::PerceptualAnalyzer::_fscale[513]

private

Definition at line 417 of file dsp_filter.h.

_icount

int ARDOUR::DSP::PerceptualAnalyzer::_icount

private

Definition at line 406 of file dsp_filter.h.

_ipdata

float* ARDOUR::DSP::PerceptualAnalyzer::_ipdata

private

Definition at line 408 of file dsp_filter.h.

_ipsize

int ARDOUR::DSP::PerceptualAnalyzer::_ipsize

private

Definition at line 405 of file dsp_filter.h.

_peakp

Trace* ARDOUR::DSP::PerceptualAnalyzer::_peakp

private

Definition at line 412 of file dsp_filter.h.

_pmax

float ARDOUR::DSP::PerceptualAnalyzer::_pmax

private

Definition at line 416 of file dsp_filter.h.

_power

Trace* ARDOUR::DSP::PerceptualAnalyzer::_power

private

Definition at line 411 of file dsp_filter.h.

_speed

float ARDOUR::DSP::PerceptualAnalyzer::_speed

private

Definition at line 415 of file dsp_filter.h.

_trdata

fftwf_complex* ARDOUR::DSP::PerceptualAnalyzer::_trdata

private

Definition at line 410 of file dsp_filter.h.

_warped

float* ARDOUR::DSP::PerceptualAnalyzer::_warped

private

Definition at line 409 of file dsp_filter.h.

_wfact

float ARDOUR::DSP::PerceptualAnalyzer::_wfact

private

Definition at line 414 of file dsp_filter.h.

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

• dsp_filter.h