Project Overview

Title	Summary
FIR filters	Design finite impulse response filters
FIR filter design routines	Finite impulse response filtering routines.
FIR filter length estimation	Use this routines to estimate the length of finite impulse response filters.
Frequency analysis	Routines used for frequency analysis.
IIR Filters	Design digital filters with infinite impulse response and non-linear phase.
IIR filter design routines	Inifinite impulse response filter design routines.
IIR filter order estimation	Routines to estimate the order of IIR filters.
Linear systems	Routines to support conversions between state-space/ zero-pole/numerator-denominator transfer function forms and different signal processing routines.
Non-linear filters	Routines for non-linear filtering.
Signal generation	Signal generation routines.
Signal statistics	Signal statistics and measure routines.
Wavelets	Routines for signal decomposition and reconstruction with wavelets.
Time window functions	Time signal windowing function.

Components

	Name	Summary
	TBandlimitedInterpolator	Changes sampling frequency by a rational factor.
	TBandlimitedInterpolatorList	Manage a list of TBandlimitedInterpolator components.
	TBiSpectrumAnalyzer	Estimates bicoherence and/or bispectrum.
	TBiSpectrumAnalyzerDialog	Use the component to display the associated component editor in run-time.
	TBiSpectrumAnalyzerList	Manages a list of TBiSpectrumAnalyzer objects.
	TCrossSpectrumAnalyzer	Performs cross spectrum analysis.
	TCrossSpectrumAnalyzerDialog	Use the component to display the associated component editor in run-time.
	TCrossSpectrumAnalyzerList	Manages a list of TCrossSpectrumAnalyzer objects.
	TSignal	Class defined to store uniformly sampled data.
	TSignalAnalyzer	Analyzes a signal with different methods in time domain.
	TSignalAnalyzerDialog	Use the component to display the associated component editor in run-time.
	TSignalAnalyzerList	Manages a list of TSignalAnalyzer objects.
	TSignalBrowse	Creates and navigates file overview files.
	TSignalBrowseBuffer	Stores and buffers an overview of the incoming signal.
	TSignalBrowseBufferList	Manages a list of TSignalBrowseBuffer objects.
	TSignalBrowseList	Manage a list of TSignalBrowse components.
	TSignalDecBuffer	Decrease buffer length.
	TSignalDecBufferList	Manage a list of TSignalIncBuffer components.
	TSignalDecimator	Performs signal decimation.
	TSignalDecimatorList	Manage a list of TSignalDecimator components.
	TSignalDemodulator	Demodulates a signal.
	TSignalDemodulatorList	Manage a list of TSignalDemodulator components.
	TSignalDemux	Demultiplex input signal.
	TSignalDemuxList	Manage a list of TSignalDemux components.
	TSignalEnvelopeDetector	Demodulates a signal.
	TSignalEnvelopeDetectorList	Manage a list of TSignalEnvelopeDetector components.
	TSignalFilter	Apply digital filter to the input signal.
	TSignalFilterDialog	Use the component to display the associated component editor in run-time.
	TSignalFilterList	Manages a list of TSignalFilter components.
	TSignalGenerator	Generates signals in real time.
	TSignalGeneratorDialog	Use the component to display the associated component editor in run-time.
	TSignalGeneratorList	Manage a list of TSignalGenerator components.
	TSignalIn	Record data from an audio card.
	TSignalIncBuffer	Increase buffer length.
	TSignalIncBufferList	Manage a list of TSignalIncBuffer components.
	TSignalInDialog	Use the component to display the associated component editor in run-time.
	TSignalInList
	TSignalInterpolator	Performs signal interpolation.
	TSignalInterpolatorList	Manage a list of TSignalInterpolator components.
	TSignalList	Manages a list of TSignal objects.
	TSignalMux	Multiplex input signal.
	TSignalMuxList	Manage a list of TSignalMux components.
	TSignalOut	Send data to audio card for playback.
	TSignalOutDialog	Use the component to display the associated component editor in run-time.
	TSignalOutList
	TSignalRateConverter	Changes the sampling frequency by any integer or rational factor.
	TSignalRateConverterList	Manage a list of TSignalRateConverter components.
	TSignalRead	Reads a signal from a file.
	TSignalReadDialog	Use the component to display the associated component editor in run-time.
	TSignalReadList	Manage a list of TSignalRead components.
	TSignalSaturationWarning	Signals saturation warning when recording.
	TSignalSaturationWarningList
	TSignalStatsBuffer	Computes and stores statistics from Input data.
	TSignalStatsBufferList	Manages a list of TSignalStatsBuffer objects.
	TSignalStoreBuffer	Stores data and allows indexed access to elements.
	TSignalStoreBufferList
	TSignalTimer	High resolution multimedia timer.
	TSignalWrite	Writes a signal to a file.
	TSignalWriteList	Manage a list of TSignalWrite components.
	TSpectrum	Class defined to store and manage a frequency spectrum.
	TSpectrumAnalyzer	Computes and analyzes a frequency spectrum.
	TSpectrumAnalyzerDialog	Use the component to display the associated component editor in run-time.
	TSpectrumAnalyzerList	Manages a list of TSpectrumAnalyzer objects.
	TSpectrumList	Manages a list of TSpectrum objects.
	TSpectrumStatsBuffer	Stores and buffers statistics from a SpectrumAnalyzer.
	TSpectrumStatsBufferList	Manages a list of TSpectrumStatsBuffer objects.

Units

Name	Summary
AudioSignal	Playback or record an audio signal.
FileSignal	Read or write files.
IIRFilters	Design IIR filters.
LinearSystems	Conversion routines between different representations of the transfer function, frequency transformations and bilinear transform.
OptimalFir	Parks-McClellan optimal filter design routines.
SignalAnalysis	Signal analysis components.
SignalProcessing	Signal processing components.
SignalTools	General purpose components for signal processing and signal analysis.
SignalToolsDialogs	Dialogs for signal processing components.
SignalUtils	General purpose signal processing routines.

Classes

Name	Summary
TAnalysis	Abstract class for TSignal and TSpectrum components.
TAnalysisConnectorsCollection	Allows design time and run-time connectivity of TAnalysis.
TAnalysisList	Abstract class for all components, which hold a list of TAnalysis components.
TAudioSignal	Abstract class for audio recording and playback.
TBandFilterList	Stores digital filter design specification.
TBandFilterRecord	Used by TSignalFilter for filter definition.
TBandRecord	Stores the definition of a frequency band.
TBiAnalyzer	Encapsulates higher order spectral analysis methods.
TConnectorsCollection	Abstract class for TSpectrum and TSignal Collections.
TCrossAnalysisSet	Defines a set of transforms to be evaluated by the TCrossSpectrumAnalyzer component.
TCrossAnalyzer	Encapsulates cross spectral analysis methods.
TCustomSignalDialog	Abstract class for signal processing dialog editors.
TCustomSpectrumAnalyzer	Generic spectrum analyzer class.
TFileStorage	Abstract class for read and writing signals.
TFilterList	Manages a list of filter definitions.
TFuncSignalList	Holds expresion definition.
TFuncSignalRecord	Expression parser record definition.
TMarkList	Manages a list of marks.
TMarkRecord	Stores mark position and value info.
TMtxConnectItem	Abstract item class that enables connectivity of components.
TSignalCollection	A collection for a list of references to TSignal objects.
TSignalConnectItem	Item class that enables connectivity of components.
TSignalItem	Collection item.
TSignalMultiRate	Abstract class for multi-rate digital filters.
TSignalReport	Defines parameters for generating signal analysis report.
TSignalReportSet	Defines a set of items to be included in signal analysis report.
TSignalSounds	Manages a list of different sound formula definitions.
TSpectrumAnalyzerDialogTabs	Defines the features that can be edited with TSpectrumAnalyzerDialog.
TSpectrumBands	A list to frequency band definitions.
TSpectrumBandsAnalyzer	A list of list of lists of frequency band definitions.
TSpectrumCollection	A collection for a list of references to TSpectrum objects.
TSpectrumCZT	Encapsulates parameters required by chirp-Z transform.
TSpectrumDescriptor	Stores the description of the spectrum.
TSpectrumItem	Spectrum collection item.
TSpectrumPeakInterpolation	Encapsulates parameters used for peak interpolation.
TSpectrumPeaksAnalyzer	Manages frequency spectrum peaks.
TSpectrumReport	Defines parameters for generating frequency analysis report.
TSpectrumReportSet	Defines a set of items to be included in spectrum analysis report.
TSpectrumStats	Encapsulates properties for averaging and confidence interval calculation of the spectrum.
TStaticSpectrumAnalyzer	Analyzes a frequency spectrum.
TStaticSpectrumAnalyzerList	Manages a list of TStaticSpectrumAnalyzer objects.
TTraceItem	Stores the history of the associated Mark.
TTraceList	Form vectors from a list of TMarkList's.

Types

Name	Summary
PAudioSignal	Pointer to TAudioSignal object type.
PCircularBufferState	Pointer to the TCircularBufferState.
PFirState	Pointer to TFirState.
PFractionalFirState	Pointer to the TFractionalFirState record.
PIirState	Pointer to TIirState.
PMedianState	Pointer to the TMedianState record.
PSignalIn	Pointer to TSignalInt object type.
PSignalOut	Pointer to TSignalOut object type.
PToneState	Pointer to TToneState.
PTriangleState	Pointer to TTriangleState.
PWaveletState	Pointer to TWaveletState used for wavelet processing.
TACMWaveFormat
TAutoCorrType	Defines the autocorrelation type.
TAveraging	Defines averaging type.
TBandFilterRecordArray	Array of TBandFilterRecords.
TBandReference	Band reference specification.
TBiAnalysis	Defines which higher order statistics to calculate.
TBicoherenceType	Defines the formula used for bicoherence estimation.
TBitFormat	Defines 24 bit sample storage format.
TBufferInEvent	Event type triggered when input buffer has been filled.
TBufferOutEvent	Event type triggered when output buffer has to be filled.
TBufferType	Defines signal buffering type.
TChannel	Stereo channel selection.
TCircularBufferState	Type used by circular buffering.
TConsistentParam	Filter state type used by ConsistentParameter filter method.
TCrossSpectrumAnalysis	Defines a set of transforms which can be computed by the TCrossSpectrumAnalyzer.
TCrossTransform	Defines possible results returned by the cross spectrum analyzer.
TDiffState	Type used by the numerical differentiation routine.
TFileFormat	Specifies file formats supported.
TFilterError	Defines possible comb filter design errors.
TFilterSymmetry	Defines filter symmetry.
TFilterType	Defines FIR filter types.
TFirFilterMethod	Defines method used for FIR filter design.
TFirState	Filter state used by FIR filtering methods.
TFractionalFirState	Type used by the fractional FIR filter.
TFraming	Defines how to browse a multi-record file Defines how the TSignalRead component should browse a multi-record file.
TFuncSignalType	Specifies signal types, which can be generated by TSignalGenerator.
TGoertzState	Goertzal function state type.
TIirFilterMethod	Defines supported IIR filter design methods.
TIirFrequencyTransform	Methods for frequency band transformation of IIR filters.
TIirState	Filter state used by IIR filtering methods.
TIntegrateState	Type used by the numerical integration routine.
TIntegration	Defines integration/differentiation options.
TInterpolationMethod	Defines a set of frequency spectrum peak interpolators.
TInterpolationPrecision	Precision specification for numerical peak interpolation.
TLastFrameCheck
TLogSpan	Defines the span of the frequency spectrum in dB.
TLogType	Defines how to compute the logarithm of the frequency spectrum.
TMarkRecordDouble	Defined to support double/single compatibility.
TMedianState	Type used by median filter.
TNotifyMtxEvent	Event type passing a TMtx object as a parameter Event type passing a TMtx object as a parameter.
TNotifyVecEvent	Event type passing a TVec object as a parameter Event type passing a TVec object as a parameter.
TOnResync	Triggered when reseting function phase.
TOperSignalType	Defines the operator types used by expression parser.
TOpType	Defines the type of the operand for expression parser.
TOrderTracing	Order frequency is a predefined frequency, which always has a value of 1 on the frequency axis.
TPeakTraceMethod	Specifies how to mark peaks automatically.
TPhaseMode	Defines how to handle the phase of the frequency spectrum.
TPhaseRange	Defines the range of the computed phase spectrum.
TPhaseUnits	Defines the measuring units for the phase.
TPipeProcessing	Defines how to process pipes.
TPipeState	Defines the state of the processing pipe.
TRemezType	Defines the type of the filter for Parks-McClellan algorithm.
TResponseType	Defines filter response type.
TRunningPhase	Type used by the PhaseUnwrap procedure.
TSampleAndHoldState	Filter state used by sample-and-hold filtering routines.
TSignalItemAddEvent	Event type used by TAnalysisList component.
TSignalStatistics	Defines signal statistics that can be streamed.
TSignalWindowMode	Window function definition.
TSignalWindowType	Window function definition.
TSortType	Defines how the marks will be sorted.
TSpectrumDescriptorRecord	Defined to support storing and loading the spectrum descriptor to/from Streams.
TSpectrumMethod	Defines methods for frequency spectrum estimation.
TSpectrumStatistics	Defines spectral statistics that can be streamed.
TSpectrumType	Defines frequency spectrum types.
TStringAlign	Defines string alignement.
TTapsStages	Used for multi-rate signal filtering.
TTimeTransform	Defines the transformation to be applied to the time signal.
TToneState	Type used for sine function generation.
TTriangleState	Type used for triangle tone generation.
TTrigger	Defines the trigger behaviour while recording.
TTriggerMode	Defines the trigger condition.
TTriggerPosition	Defines which data (pre/post trigger) the trigger will capture.
TWaveletDecomp	Defines the result type of wavelet decomposition.
TWaveletState	State variable used by wavelets.
TWaveletType	Defines wavelet types.

Routines

Name	Summary
AdvanceCircularBuffer	Advance the read position of circular buffer.
AlignString	Align string by inserting space.
AmpltToDb	Convert amplitude to decibels.
ArBurg	Modified covariance method for autoregressive parameter estimation.
ArBurgSpectrum	Computes a frequency spectrum with the autoregressive Burg method.
ArCovariance	Covariance method for autoregressive parameter estimation.
ArCovarianceSpectrum	Computes a frequency spectrum with the autoregressive "covariance" method.
ArMCovariance	Modified covariance method for autoregressive parameter estimation.
ArMCovarianceSpectrum	Computes a frequency spectrum with the autoregressive "modified covariance" method.
ArYuleWalker	Yule-Walker method for autoregressive parameter estimation.
ArYuleWalkerSpectrum	Computes a frequency spectrum with the autoregressive Yule-Walker method.
AutoCorrTypeToStr	Convert a TAutoCorrType type to a string.
AveragingToString	Convert a TAveraging type to a string.
BandFlip	Flip the frequency band.
Bartlett	Bartlett window.
BesselAnalog	Design analog Bessel type IIR prototype filter.
BesselFilter	Design Bessel IIR filter.
BesselI0	Bessel function of the first kind.
Bilinear	Compute bilinear transformation.
BilinearPrewarp	Returns prewarped frequency according to the bilinear transform.
BilinearUnwarp	Return unwarped frequency according to the bilinear transform.
BiSpectrum	Compute a part of the bispectrum.
BiSpectrumVert	Compute a part of the bispectrum.
Blackman	Blackman window.
BlackmanExact	Exact blackman window.
BlackmanHarris	Blackman-Harris window.
BlackmanOptimal	Optimal Blackman window.
ButterAnalog	Design analog Butterworth type IIR prototype filter.
ButterFilter	Design Butterworth IIR filter.
ButterOrder	Estimate the order a butterworth IIR filter.
Chebyshev	Chebyshev's window.
ChebyshevIAnalog	Design analog Chebyshev type I IIR prototype filter.
ChebyshevIFilter	Design Chebyshev type I IIR filter.
ChebyshevIIAnalog	Design analog Chebyshev type I IIR prototype filter.
ChebyshevIIFilter	Design Chebyshev type II IIR filter.
ChebyshevIIOrder	Estimate the order of a Chebyshev type II IIR filter.
ChebyshevIOrder	Estimate the order a Chebyshev type I IIR filter.
CircularBuffer	Copy data to a circular buffer.
CircularFrequency	Adjust frequency in radians to fall in range between 0 and 0.5.
CircularPhase	Adjust Phase in radians to range between 0 and 2*Pi.
ComputeGain	Returns gain of a filter with zeroes in z and poles in p.
ConjExtend	Conjugate extend a frequency spectrum.
ConsistentParameterFilter	Filter data with a "consistent parameter" filter.
ConsistentParameterInit	Initialize a "consistent parameter" filter.
CosineTappered	Cosine tappered window.
CplxCepstrum	Compute complex cepstrum.
CplxCepstrumInv	Compute the inverse complex cepstrum.
Crest	Compute Crest factor.
CrossTransformToString	Convert a TCrossTransform type to a string.
Czt	Compute the chirp z-transform.
DCCrossingCount	Return the number of DC crossings.
DcFilter	Design a DC filter.
DelayFilter	Filter data with an integer delay filter.
DelayFree	Free a delay filter.
DelayInit	Initialize an integer delay filter.
Demultiplex	Demultiplex a channel.
Differentiate	Differentiate the signal.
DistinctCDF	Compute the probability that given probability distributions are (not) the same.
EllipticAnalog	Design analog Elliptic type IIR prototype filter.
EllipticFilter	Design Elliptic IIR filter.
EllipticOrder	Estimate the order of the Elliptic filter.
EnvelopeDetector	Fast envelope detector.
ExactIirZeros	Compute exact zeroes of Butterworth and Cheybshev type I filter.
ExpAverageFilter	Filter data with an exponential average filter.
ExponentWindow	Exponential window.
FindNearest	Return the index of the nearest value.
FirFilter	Filter data with a FIR filter.
FirFree	Free a FIR filter.
FirImpulse	Compute a FIR impulse response filter with user defined Window type.
FirInit	Initialize a FIR filter.
FlatTop	Flat-top window.
FractionalFirImpulse	Design an oversampled FIR filter with rectangular window.
FractionalKaiserImpulse	Design an oversampled FIR filter with a Kaiser window.
FrequencyResponse	Compute the frequency response.
FrequencyResponseS	Computes s-domain frequency response (laplace transform).
FuncToString	Convert a function type to string.
GetOutSoundDevices	Returns a list of output sound devices.
Goertz	The Discrete Fourier transformation (DFT) for a given frequency.
GoertzInit	Initializes the Goertzal algorithm.
GroupDelay	Computes the group delay of IIR filters.
GroupDelay2
Hamming	Hamming window.
Hanning	Hanning window.
Hilbert	Applies hilbert transform to Src.
IirFilter	Filter data with an IIR filter.
IirFilterMethodToString
IirFree	Free an IIR filter.
IirInit	Initialize an IIR filter.
InitCircularBuffer	Initialize a circular buffer.
Integrate	Integrate signal.
IntegrationToString	Convert a TIntegration type to a string.
InterpolationMethodToString	Convert a TInterpolationMethod type to a string.
InterpolationPrecisionToString	Convert a TInterpolationPrecision type to a string.
Kaiser	Kaiser window.
KaiserBetaFir	Returns beta parameter for the Kaiser window FIR filter.
KaiserBetaWindow	Returns beta parameter for frequency analysis with the Kaiser window.
KaiserBetaWindowAtt	Returns beta parameter for frequency analysis with the Kaiser window.
KaiserFirLength	Estimate the length of a windowed FIR filter.
KaiserImpulse	Design a FIR filter with a Kaiser window.
LogRamp	Compute a logarithmic ramp.
LowpassToBandpass	Frequency transformation from a lowpass to a bandpass filter in s-domain.
LowpassToBandPassZ	Apply frequency band transformation from lowpass to bandpass in the z-domain.
LowpassToBandstop	Frequency transformation from a lowpass to a bandstop filter in s-domain.
LowpassToBandStopZ	Apply frequency band transformation from lowpass to bandstop in the z-domain.
LowpassToHighpass	Frequency transformation from a lowpass to a highpass filter in s-domain.
LowpassToHighPassZ	Apply frequency band transformation from lowpass to highpass in the z-domain Freq is the cutoff frequency of the new filter.
LowpassToLowpass	Frequency transformation from a lowpass to a lowpass filter in s-domain.
LowpassToLowpassZ	Apply frequency band transformation from lowpass to lowpass in the z-domain.
LTIZeros	Find zeros of a linear time invariant system in state-space form.
MatchedZTransform	Transform the zeros and poles of a filter in s-domain to z-domain.
MaximumCount	Return the number of peaks.
MedianFilter	Filter data with a median filter.
MedianFree	Free a median filter.
MedianInit	Initialize a median filter.
MinimumCount	Return the number of minimums.
MonitorCircularBuffer	Monitor the circular buffer.
MovingAverageFilter	Filter data with a moving average filter.
MovingAverageImpulse	Design an impulse response of a moving average filter.
Multiplex	Multiplex a channel.
NearestDCCrossing	Find the nearest DC crossing.
NearestMaximum	Find the nearest peak.
NearestMean
NearestMinimum	Find the nearest minumum.
NearestZeroCrossing	Find the nearest zero crossing.
NextDCCrossing	Locate the next DC crossing.
NextMaximum	Locate the next maximum.
NextMinimum	Locate the next minimum.
NextZeroCrossing	Locate the next zero crossing.
NotchFilter	Design a notch filer.
OpToString	Convert an operand type to string.
Peak	Find the maximum deviation from the mean.
PeekCircularBuffer	Get the number of available samples within the circular buffer.
PhaseUnwrap	Unwrap the phase of the phase spectrum.
PhaseWrap	Add phase lag to the unwrapped phase.
RationalSubstitution	Replace the variable of a rational polynomial with another rational polyniomial.
ReadFromCircularBuffer	Copy data from circular buffer.
RealCepstrum	Compute real cepstrum.
remez	Design an optimal equiripple FIR filter with Parks-McClellan algorithm.
RemezFirLength	Estimate the length of an optimal FIR filter.
RemezImpulse	Design an optimal equiripple FIR filter with Parks-McClellan algorithm.
RemezLength	Estimate the length of an optimal FIR filter.
RemoveDC	Remove the DC component.
ResetCircularBuffer	Reset circular buffer.
ResizeCircularBuffer	Resize the circular buffer.
RmsOfSpectrum	Compute RMS of a frequency band from the frequency spectrum.
RunningAverage	Compute running average.
SampleAndDecayFilter	Filter data with a sample-and-decay filter.
SampleAndHoldFilter	Filter data with a sample-and-hold filter.
SavGolayFilter	Savitzky-Golay FIR smothing filter.
SavGolayImpulse	Design a Savitzky-Golay polynomial smoothing filter.
ShowDialog	Display a component editor.
SignalFormatDescription	Returns description of the signal.
SignalWindow	Apply a time window function to the signal.
SignalWindowToString	Convert a TSignalWindowType to a string.
SortConj	Conjugate sort complex values.
SpectrumMethodToString	Convert a TSpectrumMethod type to a string.
SpectrumTypeToString	Convert a TSpectrumType type to a string.
StateSpaceToTransferFun	Convert transfer function from state-space to numerator-denominator form.
StateSpaceToZeroPole	Convert transfer function from state-space to zero-pole form.
StdDev	Compute standard deviation.
StringToFunc	Convert a string to function type.
StringToOp	Convert a string to operand type.
TimeTransformToStr	Convert a TTimeTransform type to a string.
Tone	Generate a sine function.
ToneInit	Initialize the generation of a sine function.
TransferFunToStateSpace	Convert transfer function from numerator-denominator to state-space form.
TransferFunToZeroPole	Convert transfer function from numerator-denominator to zero-pole form.
TriangleTone	Generate a triangle function.
TriangleToneInit	Initialize the generation of a triangle function.
WaveletDecompose	Apply wavelet decomposition.
WaveletInit	Select and initialize a wavelet.
WaveletReconstruct	Apply wavelet reconstruction.
WritePositionCircularBuffer	Get the index in the buffer where the next block of data will be written.
WriteToCircularBuffer	Copy data to circular buffer.
ZeroCrossingCount	Return the number of zero crossings.
ZeroPoleToStateSpace	Convert transfer function from zero-pole to state-space form.
ZeroPoleToTransferFun	Convert transfer function from zero-pole to numerator-denominator form.

Vars

Name	Summary
GridDensity	Grid densitiy for the Parks-McClellan algorithm.
PeakFileExtension
SignalDialogFilter	Drop down file types string.

Constants

Name	Summary
DspForMtxVec	Product information string.
MAXBUFFERS	Maximum number of buffers for playback/recording.
MaxFirLength	Maximum number of taps for FIR filters.
MaxIirOrder	Maximum IIR filter order.
MaxRateConversionPowerFactor
SignalEditorAssembly
SignalEditorNamespace

Categories

Components

Units

Classes

Types

Routines

Vars

Constants