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harmonic_entropy · A list dedicated to the exploration of harmonic entropy models of musical consonance
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standing waves and phi   Message List  
Reply | Forward Message #808 of 1055 |
Re: standing waves and phi

--- In harmonic_entropy@yahoogroups.com, "traktus5" <kj4321@h...>
wrote:
> Hello group. I read the statement below, and was wondering if you
> scholars would be kind enough to say whether it is true, and if so,
> where I could learn more about it?
>
> "When different frequency waves meeet, they add and multiply.

It depends in what sense you mean "add" and "multiply". It can't be
in one and the same sense.

> Phi
> permits waves to intersect in orderly, harmonic patterns...

This seems to be *least* true for phi and *most* true for simple-
integer ratios, doesn't it?

>thus waves
> of a different length form a stable nest.

Ditto.

> In electronics, this
> is 'heterodyne', and is used to modulate radio and tv signals..."

We can discuss heterodyning, and we can heterodyne using Phi as the
frequency ratio, but nothing about heterodyning assumes or
necessarily has to do with Phi.

> Also (---going out on limb here!) could it be possible that there
is
> some sort of interaction of harmonics, almost like the interference
> pattern referred to above,

I don't know what interference pattern was referred to above,
exactly. Could you give more from this source? I'm sure there was
more to it than these unclear, seemingly erroneous statements about
Phi.

> but at the level of harmonics, which is
> involved with the perception of 'chord color'? I guess I'm sort of
> thinking of that older theory of dissonance pertaining to
coinciding
> partials....

Well, then a chord would seem to have a different color if it were
tuned slightly differently, yes?

> If this is all too murky to even respond to, I understand! It's
just
> that I sort of visualize chord color, like synthesia, and am trying
to
> understand it...

Cool!





Tue May 24, 2005 12:59 am

wallyesterpa...
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Message #808 of 1055 |
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Hello group. I read the statement below, and was wondering if you scholars would be kind enough to say whether it is true, and if so, where I could learn more...
traktus5
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May 23, 2005
11:06 pm

... It depends in what sense you mean "add" and "multiply". It can't be in one and the same sense. ... This seems to be *least* true for phi and *most* true...
wallyesterpaulrus
wallyesterpa...
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May 24, 2005
12:59 am

... you ... so, ... be ... I see what you mean. I'm mindful of your earlier comments on 'multiplication tones'. I saw the comment in a 'sacred geometry'...
traktus5
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May 24, 2005
5:38 am

... on... ... What does this mean? What's a 'nest'? Why don't they have one? How are you assuming these chords are tuned? I would have presumed the opposite --...
wallyesterpaulrus
wallyesterpa...
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May 26, 2005
1:10 am

... the tritone, > dominant-to-tonic pull, etc., are very much cultural, and those in ... Well, other cultures' tuning methods and practices are also...
traktus5
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May 27, 2005
3:08 am

... be > in one and the same sense. The source on this (it may be new-agey, soft science) is: http://www.soulinvitation.com/heterofi/heterofi.htm Anything to...
traktus5
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May 27, 2005
5:35 am

Hi again Kelly, I read your reference right through. Well, the first few paragraphs - up to the heading "Applications?" - seems sound enough, if basic, ...
Yahya Abdal-Aziz
yahya_melb
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May 27, 2005
6:59 pm

... Most of what's being said here is valid, and applies almost directly to Kraig Grady's work with Mt. Meru scales. He's posted a bit of information on this...
wallyesterpaulrus
wallyesterpa...
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May 27, 2005
7:36 pm

Hi Kelly, I think Paul answered the points on phi pretty much as I would have, so I won't repeat any of that. But I'm intrigued by your synaesthetic experience...
Yahya Abdal-Aziz
yahya_melb
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May 25, 2005
9:50 pm

Hi Yahya, ... I've been thinking about this, recalling interviews with true synaesthesics (?), and am not sure.... I don't actually vividly see colors, but...
traktus5
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May 27, 2005
3:30 am

Hi Kelly, True synaesthesia, as I understand it, consists in perceiving things _as if_ through another sense; there's no question of forcing anything. ...
Yahya Abdal-Aziz
yahya_melb
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May 27, 2005
6:58 pm

Yahya wrote <I have only very ... It's interesting you say this, as I've always felt that a 'percussion' section of the orchestra should include instruments...
traktus5
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May 27, 2005
6:00 am

Kelly, You're actually talking o some fairly subtle sounds - for example, balloons rubbing together - and some that are very difficult to record realistically...
Yahya Abdal-Aziz
yahya_melb
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May 27, 2005
6:58 pm
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