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how to generate 1/f noise?

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Recently, I have to use 1/f noise to simulate wind. Will someone tell me how to generate 1/f noise? In fact 1/f^beta noise is correct but I dont know how to type out beta as superscript. Thank you in advance.

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I wonder how to create 1/f noise( also named pink noise or flicker noise) from Fourier transform or Perlin noise. What is the general step?

[Edited by - sunrisefe on June 24, 2009 4:21:26 AM]

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