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FFT
- Class in
com.icdif.audio.analysis
FFT stands for Fast Fourier Transform.
FFT(int, float)
- Constructor for class com.icdif.audio.analysis.
FFT
Constructs an FFT that will accept sample buffers that are
timeSize
long and have been recorded with a sample rate of
sampleRate
.
FILE
- Static variable in class com.icdif.audio.examples.
ExamplePeakDetector
FILE
- Static variable in class com.icdif.audio.examples.
ExampleSpectralDifference
FILE
- Static variable in class com.icdif.audio.examples.
ExampleSpectralFlux
FILE
- Static variable in class com.icdif.audio.examples.
ExampleThreshold
forward(float[])
- Method in class com.icdif.audio.analysis.
DFT
forward(float[])
- Method in class com.icdif.audio.analysis.
FFT
forward(float[], float[])
- Method in class com.icdif.audio.analysis.
FFT
Performs a forward transform on the passed buffers.
forward(float[])
- Method in class com.icdif.audio.analysis.
FourierTransform
Performs a forward transform on
buffer
.
forward(float[], int)
- Method in class com.icdif.audio.analysis.
FourierTransform
Performs a forward transform on values in
buffer
.
FourierTransform
- Class in
com.icdif.audio.analysis
A Fourier Transform is an algorithm that transforms a signal in the time domain, such as a sample buffer, into a signal in the frequency domain, often called the spectrum.
freqToIndex(float)
- Method in class com.icdif.audio.analysis.
FourierTransform
Returns the index of the frequency band that contains the requested frequency.
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