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Signal Generators: Random (Noise) Generators

noise

  ar      noise      xamp, kbeta

Description

A white noise generator with an IIR lowpass filter.

Performance

xamp – amplitude of final output

kbeta – beta of the lowpass filter. Should be in the range of 0 to 1.

The filter equation is:

y_n = sqrt(1-beta^2) * x_n + beta Y_(n-1)

where x_n is white noise.

Author

John ffitch
University of Bath, Codemist. Ltd.
Bath, UK
December, 2000
New in Csound Version 4.16


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Signal Generators: Random (Noise) Generators