av (version 0.9.2)

window functions: Window functions

Description

Several common windows function generators. The functions return a vector of weights to use in read_audio_fft.

Usage

hanning(n)
hamming(n)
blackman(n)
bartlett(n)
welch(n)
flattop(n)
bharris(n)
bnuttall(n)
sine(n)
nuttall(n)
bhann(n)
lanczos(n)
gauss(n)
tukey(n)
dolph(n)
cauchy(n)
parzen(n)
bohman(n)

Arguments

n

size of the window (number of weights to generate)

Examples

# Window functions
plot(hanning(1024), type = 'l', xlab = 'window', ylab = 'weight')
lines(hamming(1024), type = 'l', col = 'red')
lines(bartlett(1024), type = 'l', col = 'blue')
lines(welch(1024), type = 'l', col = 'purple')
lines(flattop(1024), type = 'l', col = 'darkgreen')