fshift_hilbert::hilbert_shifter_t Class Reference

Inheritance diagram for fshift_hilbert::hilbert_shifter_t:

Public Member Functions
	hilbert_shifter_t (unsigned int fftlen, unsigned int channels, mha_real_t srate, unsigned int kmin, unsigned int kmax, std::vector< mha_real_t > dphi, unsigned int frameshift, unsigned int maxirslen, unsigned int phasemode)
	~hilbert_shifter_t ()
void	process (mha_spec_t *)
Public Member Functions inherited from MHASignal::spectrum_t
	spectrum_t (const unsigned int &frames, const unsigned int &channels)
	constructor of spectrum class More...
	spectrum_t (const mha_spec_t &)
	Copy constructor. More...
	spectrum_t (const MHASignal::spectrum_t &)
	Copy constructor. More...
	spectrum_t (const std::vector< mha_complex_t > &)
virtual	~spectrum_t (void)
mha_complex_t &	operator() (unsigned int f, unsigned int ch)
	Access to element. More...
mha_complex_t &	operator[] (unsigned int k)
	Access to a single element, direct index into data buffer. More...
mha_complex_t &	value (unsigned int f, unsigned int ch)
	Access to element. More...
void	copy (const mha_spec_t &)
	copy all elements from a spectrum More...
void	copy_channel (const mha_spec_t &s, unsigned sch, unsigned dch)
	Copy one channel of a given spectrum signal to a target channel. More...
void	export_to (mha_spec_t &)
	copy elements to spectrum structure More...
void	scale (const unsigned int &, const unsigned int &, const unsigned int &, const mha_real_t &)
	scale section [a,b) in channel "ch" by "val" More...
void	scale_channel (const unsigned int &, const mha_real_t &)
	scale all elements in one channel More...

Private Attributes
MHASignal::spectrum_t	fullspec
	Part of the spectrum to be frequency shifted. More...
MHASignal::spectrum_t	analytic
	Analytic signal, defined as a(t)=x(t)+i*H(x(t)) More...
MHASignal::waveform_t	shifted
	The frequency shifted signal in the time domain. More...
MHASignal::spectrum_t	mixw_shift
	Helper varaible containing the coefficients used to split the spectrum. More...
MHASignal::spectrum_t	mixw_ref
	Helper varaible containing the coefficients used to split the spectrum. More...
fftw_plan	plan_spec2analytic
	FFT plan for the transformation of fullspec into the time domain. More...
mha_fft_t	mhafft
	MHA wrapper object for fftw. More...
MHASignal::waveform_t	df
	Vector holding one delta f value for every channel. More...
unsigned int	kmin
	FFT frame that corresponds to f_min. More...
unsigned int	kmax
	FFT frame that corresponds to f_max. More...
unsigned int	frameshift
	Total phase advance within one fragment. More...
std::vector< mha_complex_t >	delta_phi
	Phase advance per frame. More...
std::vector< mha_complex_t >	delta_phi_total
	Sum of all phase advances. More...

Additional Inherited Members
Public Attributes inherited from mha_spec_t
mha_complex_t *	buf
	signal buffer More...
unsigned int	num_channels
	number of channels More...
unsigned int	num_frames
	number of frames in each channel More...
mha_channel_info_t *	channel_info
	detailed channel description More...

Constructor & Destructor Documentation

hilbert_shifter_t()

fshift_hilbert::hilbert_shifter_t::hilbert_shifter_t	(	unsigned int	fftlen,
		unsigned int	channels,
		mha_real_t	srate,
		unsigned int	kmin,
		unsigned int	kmax,
		std::vector< mha_real_t >	dphi,
		unsigned int	frameshift,
		unsigned int	maxirslen,
		unsigned int	phasemode
	)

~hilbert_shifter_t()

fshift_hilbert::hilbert_shifter_t::~hilbert_shifter_t

(

)

Member Function Documentation

process()

void fshift_hilbert::hilbert_shifter_t::process

(

mha_spec_t *

s

)

Member Data Documentation

fullspec

MHASignal::spectrum_t fshift_hilbert::hilbert_shifter_t::fullspec

private

Part of the spectrum to be frequency shifted.

analytic

MHASignal::spectrum_t fshift_hilbert::hilbert_shifter_t::analytic

private

Analytic signal, defined as a(t)=x(t)+i*H(x(t))

shifted

MHASignal::waveform_t fshift_hilbert::hilbert_shifter_t::shifted

private

The frequency shifted signal in the time domain.

mixw_shift

MHASignal::spectrum_t fshift_hilbert::hilbert_shifter_t::mixw_shift

private

Helper varaible containing the coefficients used to split the spectrum.

Contains 1 for every fft bin to be frequency shifted, 0 for all others

mixw_ref

MHASignal::spectrum_t fshift_hilbert::hilbert_shifter_t::mixw_ref

private

Helper varaible containing the coefficients used to split the spectrum.

Contains 0 for every fft bin to be frequency shifted, 1 for all others

plan_spec2analytic

fftw_plan fshift_hilbert::hilbert_shifter_t::plan_spec2analytic

private

FFT plan for the transformation of fullspec into the time domain.

mhafft

mha_fft_t fshift_hilbert::hilbert_shifter_t::mhafft

private

MHA wrapper object for fftw.

df

MHASignal::waveform_t fshift_hilbert::hilbert_shifter_t::df

private

Vector holding one delta f value for every channel.

kmin

unsigned int fshift_hilbert::hilbert_shifter_t::kmin

private

FFT frame that corresponds to f_min.

kmax

unsigned int fshift_hilbert::hilbert_shifter_t::kmax

private

FFT frame that corresponds to f_max.

frameshift

unsigned int fshift_hilbert::hilbert_shifter_t::frameshift

private

Total phase advance within one fragment.

delta_phi

std::vector<mha_complex_t> fshift_hilbert::hilbert_shifter_t::delta_phi

private

Phase advance per frame.

delta_phi_total

std::vector<mha_complex_t> fshift_hilbert::hilbert_shifter_t::delta_phi_total

private

Sum of all phase advances.

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

• fshift_hilbert.cpp