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5L 9s: Difference between revisions

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<h2>IMPORTED REVISION FROM WIKISPACES</h2>
{{Infobox MOS
This is an imported revision from Wikispaces. The revision metadata is included below for reference:<br>
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: This revision was by author [[User:JosephRuhf|JosephRuhf]] and made on <tt>2015-02-12 14:43:04 UTC</tt>.<br>
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: The original revision id was <tt>540797590</tt>.<br>
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The revision contents are below, presented both in the original Wikispaces Wikitext format, and in HTML exactly as Wikispaces rendered it.<br>
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<h4>Original Wikitext content:</h4>
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<div style="width:100%; max-height:400pt; overflow:auto; background-color:#f8f9fa; border: 1px solid #eaecf0; padding:0em"><pre style="margin:0px;border:none;background:none;word-wrap:break-word;white-space: pre-wrap ! important" class="old-revision-html">This MOS, with a period running L 2s L 2s L 2s L 2s L s, has a generator between 1/5edo (240 cents) and 3/14edo (257 1/7). 4/3 being approximated by +2 generators, the generator is called a semi-fourth. The most salient feature of the semi-fourth interval is that it is an ambiguous 8/7~7/6, or an approximate 15/13 if the scale is viewed as involving factors of 13.
| Neutralized = 2L 6s
|| 1/5 ||  ||  ||  ||  || 240 ||
}}
||  ||  ||  ||  || 7/34 || 247.0588235 ||
{{MOS intro}}
||  ||  ||  || 6/29 ||  || 248.275862 ||
||  ||  ||  ||  || 11/53 || 249.056604 ||
||  ||  ||  ||  ||  || 249.942305 ||
||  ||  || 5/24 ||  ||  || 250 ||
||  ||  ||  ||  ||  || 250.057829 ||
||  ||  ||  ||  || 14/67 || 250.746269 ||
||  ||  ||  || 9/43 ||  || 251.162791 ||
||  ||  ||  ||  || 13/62 || 251.612903 ||
||  || 4/19 ||  ||  ||  || 252.631579 ||
||  ||  ||  ||  || 15/71 || 253.521127 ||
||  ||  ||  || 11/52 ||  || 253 11/13 ||
||  ||  ||  ||  || 18/85 || 254.117647 ||
||  ||  || 7/33 ||  ||  || 254 6/11 ||
||  ||  ||  ||  || 17/80 || 255 ||
||  ||  ||  || 10/47 ||  || 255.319149 ||
||  ||  ||  ||  || 13/61 || 255.737705 ||
|| 3/14 ||  ||  ||  ||  || 257 1/7 ||
250.057829</pre></div>
<h4>Original HTML content:</h4>
<div style="width:100%; max-height:400pt; overflow:auto; background-color:#f8f9fa; border: 1px solid #eaecf0; padding:0em"><pre style="margin:0px;border:none;background:none;word-wrap:break-word;width:200%;white-space: pre-wrap ! important" class="old-revision-html">&lt;html&gt;&lt;head&gt;&lt;title&gt;5L 9s&lt;/title&gt;&lt;/head&gt;&lt;body&gt;This MOS, with a period running L 2s L 2s L 2s L 2s L s, has a generator between 1/5edo (240 cents) and 3/14edo (257 1/7). 4/3 being approximated by +2 generators, the generator is called a semi-fourth. The most salient feature of the semi-fourth interval is that it is an ambiguous 8/7~7/6, or an approximate 15/13 if the scale is viewed as involving factors of 13.&lt;br /&gt;


The associated fifth ranges from 8\[[14edo|14]] to 3\[[5edo|5]], thus guaranteeing a [[diatonic fifth]].


&lt;table class="wiki_table"&gt;
4/3 being approximated by +2 generators, the generator is called a semi-fourth. The most salient feature of the semi-fourth interval is that it is an ambiguous {{nowrap|8/7 ~ 7/6}}, or an approximate [[15/13]] if the scale is viewed as involving factors of 13.  
    &lt;tr&gt;
        &lt;td&gt;1/5&lt;br /&gt;
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        &lt;td&gt;240&lt;br /&gt;
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        &lt;td&gt;7/34&lt;br /&gt;
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        &lt;td&gt;247.0588235&lt;br /&gt;
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        &lt;td&gt;6/29&lt;br /&gt;
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        &lt;td&gt;248.275862&lt;br /&gt;
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        &lt;td&gt;11/53&lt;br /&gt;
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        &lt;td&gt;249.056604&lt;br /&gt;
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        &lt;td&gt;249.942305&lt;br /&gt;
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        &lt;td&gt;&lt;br /&gt;
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        &lt;td&gt;5/24&lt;br /&gt;
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        &lt;td&gt;250&lt;br /&gt;
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        &lt;td&gt;250.057829&lt;br /&gt;
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        &lt;td&gt;14/67&lt;br /&gt;
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        &lt;td&gt;250.746269&lt;br /&gt;
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        &lt;td&gt;9/43&lt;br /&gt;
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        &lt;td&gt;251.162791&lt;br /&gt;
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        &lt;td&gt;13/62&lt;br /&gt;
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        &lt;td&gt;251.612903&lt;br /&gt;
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        &lt;td&gt;4/19&lt;br /&gt;
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        &lt;td&gt;252.631579&lt;br /&gt;
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        &lt;td&gt;15/71&lt;br /&gt;
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        &lt;td&gt;253.521127&lt;br /&gt;
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        &lt;td&gt;11/52&lt;br /&gt;
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        &lt;td&gt;253 11/13&lt;br /&gt;
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        &lt;td&gt;18/85&lt;br /&gt;
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        &lt;td&gt;254.117647&lt;br /&gt;
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        &lt;td&gt;7/33&lt;br /&gt;
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        &lt;td&gt;254 6/11&lt;br /&gt;
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        &lt;td&gt;17/80&lt;br /&gt;
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        &lt;td&gt;255&lt;br /&gt;
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        &lt;td&gt;10/47&lt;br /&gt;
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        &lt;td&gt;255.319149&lt;br /&gt;
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        &lt;td&gt;&lt;br /&gt;
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        &lt;td&gt;13/61&lt;br /&gt;
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        &lt;td&gt;255.737705&lt;br /&gt;
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    &lt;tr&gt;
        &lt;td&gt;3/14&lt;br /&gt;
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        &lt;td&gt;257 1/7&lt;br /&gt;
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&lt;/table&gt;


250.057829&lt;/body&gt;&lt;/html&gt;</pre></div>
This MOS can be viewed as two parallel [[5L_2s|diatonic]] scales separated by a semi-fourth, and has analogous points of low [[harmonic entropy]] where two generators would approximate a [[meantone]] or [[superpyth]] 5th, plus an additional one between 15/13 and <math>\sqrt{\frac{4}{3}}</math> where it is ideal for [[The_Archipelago#Barbados|barbados]] subgroup harmonies.
 
== Scale properties ==
{{TAMNAMS use}}
 
=== Intervals ===
{{MOS intervals}}
 
=== Generator chain ===
{{MOS genchain}}
 
=== Modes ===
{{MOS mode degrees}}
 
== Scale tree ==
{{MOS tuning spectrum}}
 
[[Category:14-tone scales]]
Retrieved from "https://en.xen.wiki/w/5L_9s"