Spectrogram Class Reference

Spectrogram calculates the spectrogram of a N-dimensional signal. The spectrogram is the square of the absolute values of the FourierTransform, and is the 'traditional' way to view a signal's frequency distribution. More...

Public Member Functions
	Spectrogram ()
	~Spectrogram ()
bool	init ()
bool	setInputInfo (const ArrayNDInfo &ni)
const ArrayNDInfo &	getInputInfo () const
bool	real2real () const
bool	real2complex () const
bool	complex2real () const
bool	complex2complex () const
bool	biDirectional () const
bool	getDir () const
bool	setDir (bool fwd)
bool	transform (const ArrayND< float > &, ArrayND< float > &)
bool	transform (const ArrayND< float_complex > &, ArrayND< float_complex > &)

Protected Member Functions
bool	isPossible (int) const
bool	isFast (int sz) const

Protected Attributes
ArrayND< float_complex > *	tempin_
ArrayND< float_complex > *	tempout_
Fourier::CC *	fft_

Detailed Description

Spectrogram calculates the spectrogram of a N-dimensional signal. The spectrogram is the square of the absolute values of the FourierTransform, and is the 'traditional' way to view a signal's frequency distribution.

Spectrogram is not reversible.

Constructor & Destructor Documentation

Spectrogram::Spectrogram

(

)

Spectrogram::~Spectrogram

(

)

Member Function Documentation

bool Spectrogram::biDirectional ( ) const

inline

bool Spectrogram::complex2complex ( ) const

inline

bool Spectrogram::complex2real ( ) const

inline

bool Spectrogram::getDir ( ) const

inline

const ArrayNDInfo& Spectrogram::getInputInfo

(

)

const

bool Spectrogram::init

(

)

bool Spectrogram::isFast ( int  sz ) const

inlineprotected

bool Spectrogram::isPossible ( int  ) const

inlineprotected

bool Spectrogram::real2complex ( ) const

inline

bool Spectrogram::real2real ( ) const

inline

bool Spectrogram::setDir ( bool  fwd )

inline

bool Spectrogram::setInputInfo

(

const ArrayNDInfo &

ni

)

bool Spectrogram::transform	(	const ArrayND< float > &	,
		ArrayND< float > &
	)

bool Spectrogram::transform	(	const ArrayND< float_complex > &	,
		ArrayND< float_complex > &
	)

Member Data Documentation

Fourier::CC* Spectrogram::fft_

protected

ArrayND<float_complex>* Spectrogram::tempin_

protected

ArrayND<float_complex>* Spectrogram::tempout_

protected