anonymous_namespace{NoiseReduction.cpp} Namespace Reference

Classes
struct	ControlInfo
struct	DiscriminationMethodInfo
struct	PrefsTableEntry
struct	WindowTypesInfo

Enumerations
enum	DiscriminationMethod : size_t {   DM_MEDIAN , DM_SECOND_GREATEST , DM_OLD_METHOD , DM_N_METHODS ,   DM_DEFAULT_METHOD = DM_SECOND_GREATEST }
enum	WindowTypes : unsigned {   WT_RECTANGULAR_HANN = 0 , WT_HANN_RECTANGULAR , WT_HANN_HANN , WT_BLACKMAN_HANN ,   WT_HAMMING_RECTANGULAR , WT_HAMMING_HANN , WT_N_WINDOW_TYPES , WT_DEFAULT_WINDOW_TYPES = WT_HANN_HANN }
enum	{ DEFAULT_WINDOW_SIZE_CHOICE = 8 , DEFAULT_STEPS_PER_WINDOW_CHOICE = 1 }
enum	NoiseReductionChoice { NRC_REDUCE_NOISE , NRC_ISOLATE_NOISE , NRC_LEAVE_RESIDUE }

Functions
template<typename StructureType , typename FieldType >
void	readPrefs (StructureType *structure, const wxString &prefix, const PrefsTableEntry< StructureType, FieldType > *fields, size_t numFields)
template<typename StructureType , typename FieldType >
void	writePrefs (const StructureType *structure, const wxString &prefix, const PrefsTableEntry< StructureType, FieldType > *fields, size_t numFields)
const ControlInfo *	controlInfo ()

Variables
const struct anonymous_namespace{NoiseReduction.cpp}::DiscriminationMethodInfo	discriminationMethodInfo [DM_N_METHODS]
const float	minSignalTime = 0.05f
const struct anonymous_namespace{NoiseReduction.cpp}::WindowTypesInfo	windowTypesInfo [WT_N_WINDOW_TYPES]
BuiltinEffectsModule::Registration< EffectNoiseReduction >	reg

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
DEFAULT_WINDOW_SIZE_CHOICE
DEFAULT_STEPS_PER_WINDOW_CHOICE

Definition at line 152 of file NoiseReduction.cpp.

     {
   DEFAULT_WINDOW_SIZE_CHOICE = 8, // corresponds to 2048
   DEFAULT_STEPS_PER_WINDOW_CHOICE = 1 // corresponds to 4, minimum for WT_HANN_HANN
};

DiscriminationMethod

enum anonymous_namespace{NoiseReduction.cpp}::DiscriminationMethod : size_t

Enumerator
DM_MEDIAN
DM_SECOND_GREATEST
DM_OLD_METHOD
DM_N_METHODS
DM_DEFAULT_METHOD

Definition at line 96 of file NoiseReduction.cpp.

                          : size_t {
   DM_MEDIAN,
   DM_SECOND_GREATEST,
   DM_OLD_METHOD,
 
   DM_N_METHODS,
   DM_DEFAULT_METHOD = DM_SECOND_GREATEST,
};

NoiseReductionChoice

enum anonymous_namespace{NoiseReduction.cpp}::NoiseReductionChoice

Enumerator
NRC_REDUCE_NOISE
NRC_ISOLATE_NOISE
NRC_LEAVE_RESIDUE

Definition at line 157 of file NoiseReduction.cpp.

                           {
   NRC_REDUCE_NOISE,
   NRC_ISOLATE_NOISE,
   NRC_LEAVE_RESIDUE,
};

WindowTypes

enum anonymous_namespace{NoiseReduction.cpp}::WindowTypes : unsigned

Enumerator
WT_RECTANGULAR_HANN
WT_HANN_RECTANGULAR
WT_HANN_HANN
WT_BLACKMAN_HANN
WT_HAMMING_RECTANGULAR
WT_HAMMING_HANN
WT_N_WINDOW_TYPES
WT_DEFAULT_WINDOW_TYPES

Definition at line 118 of file NoiseReduction.cpp.

                 : unsigned {
   WT_RECTANGULAR_HANN = 0, // 2.0.6 behavior, requires 1/2 step
   WT_HANN_RECTANGULAR, // requires 1/2 step
   WT_HANN_HANN,        // requires 1/4 step
   WT_BLACKMAN_HANN,     // requires 1/4 step
   WT_HAMMING_RECTANGULAR, // requires 1/2 step
   WT_HAMMING_HANN, // requires 1/4 step
   // WT_HAMMING_INV_HAMMING, // requires 1/2 step
 
   WT_N_WINDOW_TYPES,
   WT_DEFAULT_WINDOW_TYPES = WT_HANN_HANN
};

Function Documentation

controlInfo()

const ControlInfo * anonymous_namespace{NoiseReduction.cpp}::controlInfo

(

)

Definition at line 1328 of file NoiseReduction.cpp.

                                 {
   static const ControlInfo table[] = {
         ControlInfo(&EffectNoiseReduction::Settings::mNoiseGain,
         0.0, 48.0, 48, wxT("%d"), true,
         XXO("&Noise reduction (dB):"), XO("Noise reduction")),
         ControlInfo(&EffectNoiseReduction::Settings::mNewSensitivity,
         0.01, 24.0, 48, wxT("%.2f"), false,
         XXO("&Sensitivity:"), XO("Sensitivity")),
#ifdef ATTACK_AND_RELEASE
         ControlInfo(&EffectNoiseReduction::Settings::mAttackTime,
         0, 1.0, 100, wxT("%.2f"), false,
         XXO("Attac&k time (secs):"), XO("Attack time")),
         ControlInfo(&EffectNoiseReduction::Settings::mReleaseTime,
         0, 1.0, 100, wxT("%.2f"), false,
         XXO("R&elease time (secs):"), XO("Release time")),
#endif
         ControlInfo(&EffectNoiseReduction::Settings::mFreqSmoothingBands,
         0, 12, 12, wxT("%d"), true,
         XXO("&Frequency smoothing (bands):"), XO("Frequency smoothing")),
 
#ifdef ADVANCED_SETTINGS
         ControlInfo(&EffectNoiseReduction::Settings::mOldSensitivity,
         -20.0, 20.0, 4000, wxT("%.2f"), false,
         XXO("Sensiti&vity (dB):"), XO("Old Sensitivity")),
         // add here
#endif
   };
 
return table;
}

References EffectNoiseReduction::Settings::mAttackTime, EffectNoiseReduction::Settings::mFreqSmoothingBands, EffectNoiseReduction::Settings::mNewSensitivity, EffectNoiseReduction::Settings::mNoiseGain, EffectNoiseReduction::Settings::mOldSensitivity, EffectNoiseReduction::Settings::mReleaseTime, wxT(), XO(), and XXO().

Referenced by EffectNoiseReduction::Dialog::OnSlider(), EffectNoiseReduction::Dialog::OnText(), EffectNoiseReduction::Dialog::PopulateOrExchange(), and EffectNoiseReduction::Dialog::TransferDataToWindow().

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readPrefs()

template<typename StructureType , typename FieldType >

void anonymous_namespace{NoiseReduction.cpp}::readPrefs	(	StructureType *	structure,
		const wxString &	prefix,
		const PrefsTableEntry< StructureType, FieldType > *	fields,
		size_t	numFields
	)

Definition at line 512 of file NoiseReduction.cpp.

   {
      for (size_t ii = 0; ii < numFields; ++ii) {
         const PrefsTableEntry<StructureType, FieldType> &entry = fields[ii];
         gPrefs->Read(prefix + entry.name, &(structure->*(entry.field)),
            entry.defaultValue);
      }
   }

References entry, gPrefs, and audacity::BasicSettings::Read().

Referenced by EffectNoiseReduction::Settings::PrefsIO().

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writePrefs()

template<typename StructureType , typename FieldType >

void anonymous_namespace{NoiseReduction.cpp}::writePrefs	(	const StructureType *	structure,
		const wxString &	prefix,
		const PrefsTableEntry< StructureType, FieldType > *	fields,
		size_t	numFields
	)

Definition at line 524 of file NoiseReduction.cpp.

   {
      for (size_t ii = 0; ii < numFields; ++ii) {
         const PrefsTableEntry<StructureType, FieldType> &entry = fields[ii];
         gPrefs->Write(prefix + entry.name, structure->*(entry.field));
      }
   }

References entry, gPrefs, and audacity::BasicSettings::Write().

Referenced by EffectNoiseReduction::Settings::PrefsIO().

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Variable Documentation

discriminationMethodInfo

const struct anonymous_namespace{NoiseReduction.cpp}::DiscriminationMethodInfo anonymous_namespace{NoiseReduction.cpp}::discriminationMethodInfo[DM_N_METHODS]

Initial value:

= {
   
      { XO("Median") },
      { XO("Second greatest") },
      { XO("Old") },
}

Referenced by EffectNoiseReduction::Dialog::PopulateOrExchange().

minSignalTime

const float anonymous_namespace{NoiseReduction.cpp}::minSignalTime = 0.05f

Definition at line 116 of file NoiseReduction.cpp.

Referenced by EffectNoiseReduction::Worker::Worker().

reg

BuiltinEffectsModule::Registration< EffectNoiseReduction > anonymous_namespace{NoiseReduction.cpp}::reg

Definition at line 425 of file NoiseReduction.cpp.

windowTypesInfo

const struct anonymous_namespace{NoiseReduction.cpp}::WindowTypesInfo anonymous_namespace{NoiseReduction.cpp}::windowTypesInfo[WT_N_WINDOW_TYPES]

Initial value:

= {
 
   
   { Verbatim("none, Hann (2.0.6 behavior)"),    2 },
   
   { Verbatim("Hann, none"),                     2 },
   
   { Verbatim("Hann, Hann (default)"),           4 },
   
   { Verbatim("Blackman, Hann"),                 4 },
   
   { Verbatim("Hamming, none"),                  2 },
   
   { Verbatim("Hamming, Hann"),                  4 },
   
   
}

Referenced by EffectNoiseReduction::Dialog::PopulateOrExchange(), and EffectNoiseReduction::Settings::Validate().