class SPCore::HannWindow
Produces a Hann window of a given size (number of samples). For more info, see en.wikipedia.org/wiki/Window_function#Hann_.28Hanning.29_window.
Attributes
data[R]
Public Class Methods
new(size)
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# File lib/spcore/windows/hann_window.rb, line 6 def initialize size @data = Array.new(size) size.times do |n| @data[n] = 0.5 * (1 - Math::cos((TWO_PI * n)/(size - 1))) end end