BasicDataWriter grabs forwarded feature data and prints it to a file in a simple format.
BasicTimeDataWriter grabs forwarded feature data and prints it to a file in a simple format.
FFT performs a Fast Fourier Transform and forwards the complex data to any listeners.
Frequency processes spectral data forwarded to it by a
GnuplotDataWriter grabs forwarded feature data and prints it to a file in pm3d format for Gnuplot.
MelSpectrum receives spectral data from a
MFCC generates mel-frequency spectral coefficients, an important feature type in music and speech processing.
Detects peaks in a continuous stream of one element inputs.
Power calculates the RMS power over a frame directly from an audio signal.
PowerSpectrum calculates the power spectrum from the output of
ReBin takes an array of float data and places the data into a smaller array, the size of which is specified by the number of features.
SpectralCentroid calculates the spectral centroid of a signal.
SpectralDifference calculates the spectral difference between one frame and the next.
Peaks finds the strongest N peaks in a signal passed from a