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## F

FFT - Class in ddf.minim.analysis
  FFT stands for Fast Fourier Transform.
FFT(int, float) - Constructor for class ddf.minim.analysis.FFT
  Constructs an FFT that will accept sample buffers that are `timeSize` long and have been recorded with a sample rate of `sampleRate`.
fileName() - Method in class ddf.minim.AudioMetaData
filePath() - Method in interface ddf.minim.spi.SampleRecorder
  Returns the full path to the file this is saving to, if it exists.
fillSpectrum() - Method in class ddf.minim.analysis.FourierTransform
forward(float[]) - Method in class ddf.minim.analysis.DFT
forward(float[]) - Method in class ddf.minim.analysis.FFT
forward(float[], float[]) - Method in class ddf.minim.analysis.FFT
  Performs a forward transform on the passed buffers.
forward(float[]) - Method in class ddf.minim.analysis.FourierTransform
  Performs a forward transform on `buffer`.
forward(float[], int) - Method in class ddf.minim.analysis.FourierTransform
  Performs a forward transform on values in `buffer`.
forward(AudioBuffer) - Method in class ddf.minim.analysis.FourierTransform
  Performs a forward transform on `buffer`.
forward(AudioBuffer, int) - Method in class ddf.minim.analysis.FourierTransform
  Performs a forward transform on `buffer`.
FourierTransform - Class in ddf.minim.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.
FREQ_ENERGY - Static variable in class ddf.minim.analysis.BeatDetect
  Constant used to request frequency energy tracking mode.
freqToIndex(float) - Method in class ddf.minim.analysis.FourierTransform
  Returns the index of the frequency band that contains the requested frequency.
frequency() - Method in class ddf.minim.effects.IIRFilter
  Returns the cutoff frequency (in Hz).
frequency() - Method in class ddf.minim.signals.Oscillator
  Returns the current frequency.

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