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

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

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

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.

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Constructor & Destructor Documentation

Spectrogram()

Spectrogram::Spectrogram

(

)

~Spectrogram()

Spectrogram::~Spectrogram

(

)

Member Function Documentation

biDirectional()

bool Spectrogram::biDirectional ( ) const

inline

complex2complex()

bool Spectrogram::complex2complex ( ) const

inline

complex2real()

bool Spectrogram::complex2real ( ) const

inline

getDir()

bool Spectrogram::getDir ( ) const

inline

getInputInfo()

const ArrayNDInfo& Spectrogram::getInputInfo

(

)

const

init()

bool Spectrogram::init

(

)

isFast()

bool Spectrogram::isFast ( int  sz ) const

inlineprotected

isPossible()

bool Spectrogram::isPossible ( int  ) const

inlineprotected

real2complex()

bool Spectrogram::real2complex ( ) const

inline

real2real()

bool Spectrogram::real2real ( ) const

inline

setDir()

bool Spectrogram::setDir ( bool  fwd )

inline

setInputInfo()

bool Spectrogram::setInputInfo

(

const ArrayNDInfo &

ni

)

transform() [1/2]

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

transform() [2/2]

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

Member Data Documentation

fft_

Fourier::CC* Spectrogram::fft_

protected

tempin_

ArrayND<float_complex>* Spectrogram::tempin_

protected

tempout_

ArrayND<float_complex>* Spectrogram::tempout_

protected