User:CritDeathX/Sam's Idea Of Consonance: Difference between revisions
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Okay, so a while back, I had developed this method of finding how consonant a chord was. The basic idea was to find how many combination/difference tones lined up with a chord. | Okay, so a while back, I had developed this method of finding how consonant a chord was. The basic idea was to find how many combination/difference tones lined up with a chord. | ||
== Linear Tones == | |||
=== Formula === | |||
In order to find what tones line up with the chord, the resulting tone must either be | In order to find what tones line up with the chord, the resulting tone must either be | ||
# The number up/down whatever octaves [h*(2^x)]. (''e.g., 1/4, 3/6, 26/13'') | # The number up/down whatever octaves [h*(2^x)]. (''e.g., 1/4, 3/6, 26/13'') | ||
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Thus, by these rules, it cannot line up if it results in any other harmonic/interval. | Thus, by these rules, it cannot line up if it results in any other harmonic/interval. | ||
== Demonstration == | === Demonstration === | ||
I'll show an example of what I mean using 4:5:6. | I'll show an example of what I mean using 4:5:6. | ||
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''etc...'' | ''etc...'' | ||
An interesting thing to note is that after the 5-note chord, the amount of times that the tones line up rises linearly by 2x. | An interesting thing to note is that after the 5-note chord, the amount of times that the linear tones line up rises linearly by 2x. | ||
To show an example of this method with the added reference, I'll show how 9:11:13 works here. | To show an example of this method with the added reference, I'll show how 9:11:13 works here. | ||
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== Harmonal Limits == | == Harmonal Limits == | ||
This is a term that I'm coining to describe certain patterns or outliers within a series of chords or a scale(s) based off of their | This is a term that I'm coining to describe certain patterns or outliers within a series of chords or a scale(s) based off of their linear tones. | ||
=== Chord Progressions === | |||
Here's [[:File:Erv Wilson's Fibonnaci Progression.png|an example progression using a Fibonnaci sequence from Erv Wilson's letter to McLaren]]. We can look at the linear tones of these chords and see whether we can notice anything interesting: | |||
{| class="wikitable" | {| class="wikitable" | ||
!1st chord | !1st chord | ||
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|} | |} | ||
Although its hard to figure out how to represent harmonal limits, I think the best way to do it is to have ([lowest number of unique notes in a chord]-[highest]) on the denominator and have ([lowest linear tone]-[highest]) on the denominator. In this case, it would look like (8-10)/(3-4), which if we were to translate this into a proper number it would equal 2. | Although its hard to figure out how to represent harmonal limits, I think the best way to do it is to have ([lowest number of unique notes in a chord]-[highest]) on the denominator and have ([lowest linear tone]-[highest]) on the denominator. In this case, it would look like (8-10)/(3-4), which if we were to translate this into a proper number it would equal 2. | ||
=== Singular Chords === | |||
When it comes to just one chord, though, it'd be best to rely on which note most of the linear tones are found. For example, 9:11:13 in the last headliner had most of its linear tones occur on 9, so since 3 linear tones appeared on 9, we can say that the harmonal limit for this chord is 3. | |||