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Re: Code for generating 1/f^alpha pink noise

by Jerry Avins <jya@[EMAIL PROTECTED] > Oct 14, 2008 at 11:22 AM

Stacy wrote:
> 1) When alpha = 1, how do your results compare to the Voss-McCartney
> algorithm?
> 
> 2) Is this the formula for the rolloff?
>      rolloff = (alpha * -10dB/decade)?

That's how I interpret it.

> 3) How do you convert from db/decade to db/octave?
>    i.e. -10dB/decade is 3.0102999 dB/octave.

Multiply by .30102999 (.3 is close enough).

Jerry
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 13 Posts in Topic:
Code for generating 1/f^alpha pink noise
Sampo Niskanen <spnisk  2008-10-13 09:31:43 
Re: Code for generating 1/f^alpha pink noise
Andor <andor.bariska@[  2008-10-13 08:37:58 
Re: Code for generating 1/f^alpha pink noise
Andor <andor.bariska@[  2008-10-13 09:05:44 
Re: Code for generating 1/f^alpha pink noise
"SteveSmith" &l  2008-10-13 13:53:41 
Re: Code for generating 1/f^alpha pink noise
"Stacy" <sta  2008-10-14 10:18:42 
Re: Code for generating 1/f^alpha pink noise
Jerry Avins <jya@[EMAI  2008-10-14 11:22:34 
Re: Code for generating 1/f^alpha pink noise
Sampo Niskanen <spnisk  2008-10-15 09:13:42 
Re: Code for generating 1/f^alpha pink noise
Andor <andor.bariska@[  2008-10-15 02:23:14 
Re: Code for generating 1/f^alpha pink noise
Sampo Niskanen <spnisk  2008-10-15 19:16:23 
Re: Code for generating 1/f^alpha pink noise
Andor <andor.bariska@[  2008-10-15 02:37:56 
Re: Code for generating 1/f^alpha pink noise
Andor <andor.bariska@[  2008-10-15 15:04:12 
Re: Code for generating 1/f^alpha pink noise
Sampo Niskanen <spnisk  2008-10-16 08:29:05 
Re: Code for generating 1/f^alpha pink noise
Martin Eisenberg <mart  2008-10-20 22:02:49 

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