Re: What is music ... = spirals


Subject: Re: What is music ... = spirals
From: Kenneth Newby (knewby@sfu.ca)
Date: Sun Nov 20 2005 - 17:11:59 EST


Below is a representation of the spectral colors (rainbow, or produced
by a triangular prism):


astedGraphic1.tiff_

You can see quite clearly that there is no way a circle can be made of
this spectrum without some considerable creative (extra-scientific?)
effort, i.e. the construction of an "in between" blend that would make
this possible. Newton was a creative character!

Kenneth.

On 20-Nov-05, at 1:49 PM, James Phelps wrote:

> Hmmm ... I think this would bring into question
> exactly WHAT about
> electromagnetic radiation is being represented via the
> circle metaphor and ...
> thusly ... the same regarding vibrations of air
> particles.
>
> -Jim
>
>
>
> --- Kevin Austin <kevin.austin@videotron.ca> wrote:
>
>> Have you noticed that the color spectrum (from red
>> to violet ... red,
>> orange, yellow, green, blue, violet) cab be
>> represented as a circle
>> (or perhaps a spiral?), while low frequency to high
>> frequency sound
>> do not form a 'circle', or spiral.
>>
>>
>>
>> Very off topic ...
>>
>> And on a related (?) topic, does anyone have a more
>> precise
>> measurement of the perfect fifth (in cents) than
>> 701.955 ... ? Using
>> this more precise number, the pythagorean comma is
>> 23.260 000 000
>> 001. Using this more precise figure, the spiral away
>> from the
>> returning perfect fifth will itself spiral away, a
>> helix on top of a
>> helix.
>>
>>
>> Thanks
>>
>>
>> Best
>>
>> Kevin
>>
>>
>>
>> At 09:56 +0100 2005/11/20, stefaan watté wrote:
>>> maybe of related interest;
>>>
>>> about pitch perception;
>>>
>>
>> http://www.google.com/search?
>> client=opera&rls=nl&q=pitch+illusion&sourceid=opera&ie=utf-8&oe=utf-8
>>>
>>> &
>>>
>>> http://www.philomel.com/
>>
>>
>>
>
>
>
>
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