Cool. That was going to be one of my next questions
regarding noise and Csound opcodes.

-Partev


=================================================

--- Victor.Lazzarini@nuim.ie wrote:

From: Victor Lazzarini 
To: csound@lists.bath.ac.uk
Subject: [Csnd] Re: Re: Re: Colored noise
Date: Tue, 22 Dec 2009 13:47:07 +0000

By the way, Dodge & Jerse has an algorithm for 1/f noise (in FORTRAN,  
at least in the copy I have). We could implement that in Csound,
as an opcode or as an UDO.

Victor
On 22 Dec 2009, at 00:47, Partev Barr Sarkissian wrote:

> Did that and my copy of Audio Test Measurements by Bob Meltzler and
> the company Audio Percision, it goes with their user manuals.
>
> -Partev
>
>
> ====================================================================
>
>
> --- vip@avatar.com.au wrote:
>
> From: DavidW 
> To: csound@lists.bath.ac.uk
> Subject: [Csnd] Re: Re: Re: Colored noise
> Date: Tue, 22 Dec 2009 09:41:56 +1100
>
> see http://en.wikipedia.org/wiki/Colored_noise
>
> On 22/12/2009, at 9:05 AM, Partev Barr Sarkissian wrote:
>
>> Brownian isn't a color, it's named after Robert Brown who came up
>> with Brownian Motion, the somewhat random motion of molecules within
>> a space. Browian noise is the audio version of the "random walk"
>> noise.
>>
>> Pink and red noise has to do with spectral harmonics. Just as white
>> light is all colors equally, white noise is all equal amplitudes of
>> all harmonics/partials. Other noise colors are a results of noise
>> with differing quantities of partials.
>>
>> Synths will have filters that will tend towards one color or another.
>>
>> -PBS
> ...
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