[PD] simple rgb color organ

[Derek Holzer]

I also found this:

http://www.mail-archive.com/use-revolution@lists.runrev.com/msg17390.html

Which seems much more useful for the task at hand. But not being much pf 
a C programmer, it could take me some time converting it into a Pd 
patch. I'll report back...

D.

Claude Heiland-Allen wrote:
> Derek Holzer wrote:
>> Hey gang,
>>
>> before I go reinventing somebody else's wheel... has anybody written 
>> something that takes a (sound) frequency in Hz or MIDI note and 
>> outputs the transposed color in RGB values? Along these lines:
>>
>> F#44 = 737 nm(Infrared)
>> G 44 = 696 nm(Red)
>> G#44 = 657 nm(Red)
>> A 44 = 620 nm(Red-Orange)
>> A#44 = 585 nm(Yellow)
>> B 44 = 552 nm(Green)
>> C 45 = 521 nm(Green)
>> C#45 = 492 nm(Green-Blue)
>> D 45 = 464 nm(Blue)
>> D#45 = 438 nm(Violet)
>> E 45 = 414 nm(Violet)
>> F 45 = 390 nm(Ultraviolet)
>>
>> Or even something that takes the light wavelength in nanometers and 
>> gives separate RGB values? I'm working on a simple color organ for a 
>> friend this week.
> 
> http://www.fourmilab.ch/documents/specrend/
> 
> Have fun..
> 

-- 
::: derek holzer ::: http://blog.myspace.com/macumbista ::: 
http://www.vimeo.com/macumbista :::
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