[music-dsp] deterministic noise generation
Alexis Glass
alexis at andes.ad.kyushu-id.ac.jp
Wed Mar 26 02:52:00 EST 2003
Maybe you could (as Magnus Jonsson else suggested) divide things up by
bins, but rather than limiting each bin to one sine wave within that
bin, you could make sure that the contents of each bin (roughly equal
in size on a bark scale) are normalized to contain the same amount of
energy. I guess that probably wouldn't eliminate the perception of
clustering or harmonicity, but it might counter it a bit.
Alexis
Svante Stadler wrote:
> I'm generating noise by adding lots of sine waves. My first naive
> approach was just to generate N frequencies between zero and nyquist
> from a uniform random distribution. But for N<1000, the sound gets
> colored due to "clusters" of sines. I need the sines to be more
> uniformely spaced. But if they are too uniform, their sum will be
> (pseudo)harmonic, which is not good either.
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