Forward and reverse filter a signal
FIR filter generation
Kaiser window
Convolution
Filters with an FIR filter using the FFT
z-plane frequency response
Parameters for an FIR filter from a Kaiser window
Elliptic filter order and cutoff
Group delay of a filter or model
Decimate or downsample a signal
FIR filter generation
Piecewise cubic hermite interpolation
Durbin-Levinson Recursion
s-plane frequency response
Polynomial given roots
Inverse FFT
Change the sampling rate of a signal
Example wav file
Savitzky-Golay smoothing filters
Impulse-response characteristics
Transform filter band edges
Apply a Savitzky-Golay smoothing filter
Internal or uncommented functions
Windowing functions
Median filter
Filter a signal
Spencer filter
Roots of a polynomial
Unwrap radian phases
Pole-zero plot
Evaluate a polynomial
Parks-McClellan optimal FIR filter design
Interpolate / Increase the sample rate
Spectrogram plot
Signal processing
Interpolation
Generate a Butterworth filter.
Butterworth filter order and cutoff
Filter of given order and specifications.
Chebyshev type-I filter order and cutoff
Zero-pole-gain model
Complex unit phasor of the given angle in degrees.
Dolph-Chebyshev window coefficients
Create a moving average (MA) model
Bilinear transformation
Create an autoregressive moving average (ARMA) model.
A chirp signal
Generate a Chebyshev filter.
Elliptic or Cauer filter