MASoundBasicAnalyzer Class Reference

Sound analyzer class. More...

#include <MASoundBasicAnalyzer.hpp>

Inheritance diagram for MASoundBasicAnalyzer:

Public Member Functions
	MASoundBasicAnalyzer (unsigned int frequency, bool only_mfcc_components=false)
	Class constructor. More...
virtual void	AddSamples (const MARobotState &robot_state) override
	Add new samples from the robot state. More...
virtual void	Reset () override
	Reset the analyzer and drop all samples.
virtual bool	IsValid () const override
	Check if enough samples were added to the analyzer. More...
virtual MC::FloatList	GetFeatureVector () override
	Get a feature vector. More...
MC::FloatTable	GetFeatureVectors (unsigned int desired_vector_count=0, unsigned int erased_vector_count=0)
	Get all feature vectors. More...
unsigned int	GetFeatureVectorCount () const
	Get the available feature vector count. More...
void	AddSoundData (const MCBinaryData &raw_data)
	Add raw (byte) sound data. More...
void	AddSoundData (const MC::DoubleList &raw_data)
	Add raw (float numbers) sound data. More...
Public Member Functions inherited from MAAnalyzer
const MC::StringList &	GetFeatureNames () const
	Get the feature names. More...

Protected Member Functions
virtual void	GenerateFeatureVectors ()
	Generate feature vector frames.
MC::FloatList	ApplyHorizontalFeatures (const MC::FloatList &vector)
	Add a feature vector to a sliding window to calculate horizontal features. More...
virtual MC::FloatList	CalculateHorizontalFeatures ()
	Calculate horizontal features for the feature vectors.
MC::DoubleTable	GenerateHannWindows (const MC::DoubleList &audio_data, int &remaining_count)
	Generate Hann windows from audio data. More...

Protected Attributes
double	Frequency
	Audio frequency.
int	WindowSize
	Ideal window size.
boost::scoped_ptr< FilterBankWrapper >	Wrapper
	Filter bank for MFCC calculation.
MC::DoubleTable	DataWindows
	Audio data windows.
MC::DoubleList	LastDeltaFrame
	Last delta frame.
MC::DoubleList	LastMmbsesDeltaFrame
	Last MMBSES frame.
MC::FloatTable	FeatureVectors
	Feature vectors.
int	SlidingWindowLimit
	Sliding window count.
MC::FloatTable	SlidingWindow
	Sliding window of feature vectors.
MC::DoubleList	Buffer
	Audio buffer.
double *	HannWindow
	Hann window.
int *	BarkBandLimits
	Bark band limits.
bool	OnlyMfccCoefs
	Calculate only mfcc band components.
Protected Attributes inherited from MAAnalyzer
MC::StringList	FeatureNames
	Feature names.
bool	FeatureNamesReady
	Whether the feature names are defined.

Static Protected Attributes
static const int	MfccCount = 26
	Number of mfcc components.

Additional Inherited Members
Static Public Member Functions inherited from MAAnalyzer
static MC::FloatTable	CompactFeatureVectors (const MC::FloatTable &feature_vectors, const unsigned int window_size)
	Compacting the feature vectors. More...

Detailed Description

Sound analyzer class.

Definition at line 43 of file MASoundBasicAnalyzer.hpp.

Constructor & Destructor Documentation

MASoundBasicAnalyzer::MASoundBasicAnalyzer ( unsigned int  frequency, bool  only_mfcc_components = false  )

explicit

Class constructor.

Parameters

frequency	Sampling frequency of the audio data
only_mfcc_components	Calculate only MFCC band components

Definition at line 34 of file MASoundBasicAnalyzer.cpp.

Member Function Documentation

void MASoundBasicAnalyzer::AddSamples ( const MARobotState &  robot_state )

overridevirtual

Add new samples from the robot state.

Parameters

robot_state

Robot state

Implements MAAnalyzer.

Definition at line 77 of file MASoundBasicAnalyzer.cpp.

void MASoundBasicAnalyzer::AddSoundData

(

const MCBinaryData &

raw_data

)

Add raw (byte) sound data.

Parameters

raw_data

Raw data

Definition at line 146 of file MASoundBasicAnalyzer.cpp.

void MASoundBasicAnalyzer::AddSoundData

(

const MC::DoubleList &

raw_data

)

Add raw (float numbers) sound data.

Parameters

raw_data

Raw data

Definition at line 152 of file MASoundBasicAnalyzer.cpp.

MC::FloatList MASoundBasicAnalyzer::ApplyHorizontalFeatures ( const MC::FloatList &  vector )

protected

Add a feature vector to a sliding window to calculate horizontal features.

Parameters

vector

Feature vector

Returns

Horizontal features for the passed feature vector

Definition at line 742 of file MASoundBasicAnalyzer.cpp.

MC::DoubleTable MASoundBasicAnalyzer::GenerateHannWindows ( const MC::DoubleList &  audio_data, int &  remaining_count  )

protected

Generate Hann windows from audio data.

Parameters

audio_data	Audio data
remaining_count	Remaining data count

Returns

Hann windows

Definition at line 766 of file MASoundBasicAnalyzer.cpp.

MC::FloatList MASoundBasicAnalyzer::GetFeatureVector ( )

overridevirtual

Get a feature vector.

Returns

The first feature vector in the queue otherwise empty vector

Implements MAAnalyzer.

Definition at line 100 of file MASoundBasicAnalyzer.cpp.

unsigned int MASoundBasicAnalyzer::GetFeatureVectorCount

(

)

const

Get the available feature vector count.

Returns

The feature vector count in the queue

Definition at line 140 of file MASoundBasicAnalyzer.cpp.

MC::FloatTable MASoundBasicAnalyzer::GetFeatureVectors	(	unsigned int	desired_vector_count = 0,
		unsigned int	erased_vector_count = 0
	)

Get all feature vectors.

Parameters

desired_vector_count	Desired vector count or zero
erased_vector_count	Preserved vector count

Returns

All feature vectors in the queue otherwise empty table

Definition at line 118 of file MASoundBasicAnalyzer.cpp.

bool MASoundBasicAnalyzer::IsValid ( ) const

overridevirtual

Check if enough samples were added to the analyzer.

Returns

True if the analyzer can provide feature vectors otherwise false.

Implements MAAnalyzer.

Definition at line 94 of file MASoundBasicAnalyzer.cpp.

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

• /home/kecsap/Downloads/00/aiboplus/aiboplus/mindaibo/src/sound/MASoundBasicAnalyzer.hpp
• /home/kecsap/Downloads/00/aiboplus/aiboplus/mindaibo/src/sound/MASoundBasicAnalyzer.cpp