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Contents
module SPCore
# Produces a Hann window of a given size (number of samples).
# For more info, see https://en.wikipedia.org/wiki/Window_function#Hann_.28Hanning.29_window.
class HannWindow
attr_reader :data
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
end
end
Version data entries
9 entries across 9 versions & 1 rubygems