Function Index

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G
	getActiveState, PhaseVocoder::cpp
	getBandwidth ALF Flash/ALF.as ALF.as ALFPackage::cppDATF Flash/DATF.as DATF.as
	getBeats ALF Flash/ALF.as ALF.as ALFPackage::cpp
	getBrightness, ALF Flash/ALF.as ALF.as
	getCentroid ALFPackage::cppDATF Flash/DATF.as DATF.as
	getCentroidFlag, AudioChannel::cpp
	getCentroidVal, AudioChannel::cpp
	getChannelName, AudioChannel::cpp
	getChOutPtrs, DATF Flash/DATF.as DATF.as
	getCircularBufferFlag, AudioChannel::cpp
	getComplexSpectrum ALF Flash/ALF.as ALF.as ALFPackage::cpp
	getCRAM, DATF Flash/DATF.as DATF.as
	getFFTFlag, AudioChannel::cpp
	getFFTSize ALFPackage::cpp AudioChannel::cpp
	getFlux ALF Flash/ALF.as ALF.as ALFPackage::cppDATF Flash/DATF.as DATF.as
	getFreq, DSPFunctions::c
	getHarmonicAmplitudes ALF Flash/ALF.as ALF.as DATF Flash/DATF.as DATF.as
	getHarmonicFrequencies ALF Flash/ALF.as ALF.as DATF Flash/DATF.as DATF.as
	getHarmonics ALF Flash/ALF.as ALF.as ALFPackage::cppDATF Flash/DATF.as DATF.as
	getHopSize AudioChannel::cppDATF Flash/DATF.as DATF.as
	getInAudioPtr, ALFPackage::cpp
	getIntensity ALF Flash/ALF.as ALF.as ALFPackage::cppDATF Flash/DATF.as DATF.as
	getLPC ALFPackage::cppDATF Flash/DATF.as DATF.as
	getLPCoefficients, ALF Flash/ALF.as ALF.as
	getMagFlag, AudioChannel::cpp
	getMagSpec, ALFPackage::cpp
	getNumberOfChannels, DATF Flash/DATF.as DATF.as
	getOutAudioFrameSamples, AudioChannel::cpp
	getPitch ALF Flash/ALF.as ALF.as ALFPackage::cppDATF Flash/DATF.as DATF.as
	getPitchFromSpeech ALF Flash/ALF.as ALF.as DATF Flash/DATF.as DATF.as
	getRolloff ALF Flash/ALF.as ALF.as ALFPackage::cppDATF Flash/DATF.as DATF.as
	getSampleRate, AudioChannel::cpp
	getSpectrum, ALF Flash/ALF.as ALF.as
	getVocoderFFTSize, PhaseVocoder::cpp
H
	hannWindow, DSPFunctions::c

bool PhaseVocoder::getActiveState()

Returns the active state of the vocoder, on (true), or off(false)

public function getBandwidth():Number

This function calculates the bandwidth of the current audio frame loaded into ALF.

AS3_Val getBandwidth( void * self,
AS3_Val args )

A function to calculate the spectral bandwidth of the current frame.

public function getBandwidth():Number

Calculates the spectral bandwidth for the current frame.

public function getBeats( w: Array,
printFrame: Number ):Array

This function performs a beat tracking analysis on the audio signal and returns the beat and tempo information.

AS3_Val getBeats( void * self,
AS3_Val args )

Performs a beat tracking analysis on the audio.

public function getBrightness():Number

Brightness is an approximation of the timbre.

AS3_Val getCentroid( void * self,
AS3_Val args )

A function to calculate the spectral centroid of the current frame.

public function getCentroid():Number

Calculates the spectral centroid for the current spectral data.

bool AudioChannel::getCentroidFlag()

Returns the centroidFlag to determine if the centroid has been calculated.

float AudioChannel::getCentroidVal()

Returns the centroid of the audio spectrum from the current frame of data

char *AudioChannel::getChannelName()

Retrieves the name given to the AudioChannel object.

public function getChOutPtrs():Array

Returns: An array containing the pointers to the C audio buffers.

bool AudioChannel::getCircularBufferFlag()

Returns the status fo the circularBufferFlag to determine if audio output should be routed through the ouput circular buffer.

public function getComplexSpectrum( fftSize: Number ):Array

This function calculates the complex frequency spectrum of the current frame.

AS3_Val getComplexSpectrum( void * self,
AS3_Val args )

This funciton calculates the complex frequency spectrum of the AudioChannel and returns a pointer to the array containing the spectrum to C.

public function getCRAM():ByteArray

Returns: A pointer to the C memory buffer.

bool AudioChannel::getFFTFlag()

Returns the status off the fftFlag to determine if the FFT has been computed on the current frame.

AS3_Val getFFTSize( void * self,
AS3_Val args )

This function returns the the size of the FFT calculated on each frame

int AudioChannel::getFFTSize()

Returns the size of the FFT used on the current audio frame

public function getFlux():Number

This function calculates the change in frequency content for each frame.

AS3_Val getFlux( void * self,
AS3_Val args )

A function to calculate the spectral flux of the current frame.

public function getFlux():Number

Calculates the change in spectral energy between the current frame and the previous frame.

void getFreq( float freq[],
int frameSize,
int fs )

Calculates the frequency associated with each bin of the discrete fourier transform.

public function getHarmonicAmplitudes():Array

Returns the harmonics amplitudes generated from the getHarmonics call.

public function getHarmonicAmplitudes():Array

A function to return the amplitude of the harmonics.

public function getHarmonicFrequencies():Array

Returns the harmoinc Frequencies generated from the getHarmonics call.

public function getHarmonicFrequencies():Array

Returns an array containing the partial’s frequencies populated by callilng the getHarmonics function.

public function getHarmonics( numHarms: uint ):void

This function computes the partials assoicated with the audio spectrum

AS3_Val getHarmonics( void * self,
AS3_Val args )

This function finds harmonics present in a frame by using linear prediction.

public function getHarmonics( desiredHarms: uint ):void

Isolates the harmonics (or partials more generally speaking) of spectral data.

int AudioChannel::getHopSize()

Returns the user-specificed hopSize object

public function getHopSize():uint

The current hopSize in the DATF.

AS3_Val getInAudioPtr( void * self,
AS3_Val args )

This function returns the pointer to the input audio frame in the Audio Channel.

public function getIntensity():Number

This function calculates the intensity of the current audio frame loaded into ALF.

AS3_Val getIntensity( void * self,
AS3_Val args )

This funciton calculates the spectral intensity and returns the value to Actionscript.

public function getIntensity():Number

Calculates the spectral intensity for the current frame.

AS3_Val getLPC( void * self,
AS3_Val args )

This function calculates the linear prediction coefficients

public function getLPC( order: int ):Array

Calculates the linear prediction coefficients using Levinson-Durbin recursion.

public function getLPCoefficients( order: int ):Array

Returns the coefficients from performing linear prediction (speech processing function) on the frame of audio.

bool AudioChannel::getMagFlag()

Returns the status off the magflag to determine if the magnitude has been calculated on the current frame

AS3_Val getMagSpec( void * self,
AS3_Val args )

This funciton calculates the magnitude spectrum of the AudioChannel and returns a pointer to the array containing the spectrum to C.

public function getNumberOfChannels():uint

The current number of channels.

int AudioChannel::getOutAudioFrameSamples()

Returns the current number of samples contained in outAudioFrame

public function getPitch():Number

Returns the pitch of the frame

AS3_Val getPitch( void * self,
AS3_Val args )

This function estimates the frequency of the audio frame by computing its autocorrelation sequency and searching for a global maximum value in the result.

public function getPitch():Number

Uses the autocorrelation method to estimate the pitch of frame.

public function getPitchFromSpeech( pitchMin: Number,
pitchMax: Number,
intenThreshold: Number ):Number

Same as getPitch except it provides min/max pitch values and a threshold useful for determining if there is an active signal in the current frame.

public function getPitchFromSpeech( pitchMin: Number,
pitchMax: Number,
intenThreshold: Number ):Number

Same as getPitch except it provides min/max pitch values and a threshold useful for determining if there is an active signal in the current frame.

public function getRolloff():Number

This function calculates the frequency ceiling of the current frame.

AS3_Val getRolloff( void * self,
AS3_Val args )

This funciton calculates the spectral rolloff and returns the value to Actionscript.

public function getRolloff():Number

Calculates the spectral rolloff for the current frame.

int AudioChannel::getSampleRate()

Returns the sampling rate of the audio under analysis

public function getSpectrum( fftSize: Number,
useDB: Number ):Array

This function calculates the magnitude of the frequency spectrum of the current frame.

int PhaseVocoder::getVocoderFFTSize()

Returns the FFTSize the vocoder is using for computation.

void hannWindow( float hann[],
int winLength )