38edo: Difference between revisions

Wikispaces>Osmiorisbendi
**Imported revision 430853780 - Original comment: **
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<h2>IMPORTED REVISION FROM WIKISPACES</h2>
=<span style="background-color: #e5e5e5; color: #008693; font-family: 'Times New Roman',Times,serif; font-size: 113%;">38 tone equal temperament</span>=
This is an imported revision from Wikispaces. The revision metadata is included below for reference:<br>
: This revision was by author [[User:Osmiorisbendi|Osmiorisbendi]] and made on <tt>2013-05-12 07:05:36 UTC</tt>.<br>
: The original revision id was <tt>430853780</tt>.<br>
: The revision comment was: <tt></tt><br>
The revision contents are below, presented both in the original Wikispaces Wikitext format, and in HTML exactly as Wikispaces rendered it.<br>
<h4>Original Wikitext 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;white-space: pre-wrap ! important" class="old-revision-html">=&lt;span style="background-color: #e5e5e5; color: #008693; font-family: 'Times New Roman',Times,serif; font-size: 113%;"&gt;38 tone equal temperament&lt;/span&gt;=  


**38edo** divides the octave into 38 equal parts of 31.579 [[cent]]s. Since 38 = 2*19, it can be thought of as two parallel [[19edo]]s. It [[tempering out|tempers out]] the same [[5-limit]] commas as [[19edo|19]], namely 81/80, 3125/3072 and 15625/15552. In the [[7-limit]], we can add 50/49, and tempering out 81/80 and 50/49 gives [[Meantone family|injera temperament]], for which 38 is the [[optimal patent val]]. In the [[11-limit]], we can add 121/120 and 176/175.
'''38edo''' divides the octave into 38 equal parts of 31.579 [[cent|cent]]s. Since 38 = 2*19, it can be thought of as two parallel [[19edo|19edo]]s. It [[tempering_out|tempers out]] the same [[5-limit|5-limit]] commas as [[19edo|19]], namely 81/80, 3125/3072 and 15625/15552. In the [[7-limit|7-limit]], we can add 50/49, and tempering out 81/80 and 50/49 gives [[Meantone_family|injera temperament]], for which 38 is the [[Optimal_patent_val|optimal patent val]]. In the [[11-limit|11-limit]], we can add 121/120 and 176/175.


===38-EDO Intervals:===  
===38-EDO Intervals:===
|| **Step** || **Size in Cents** ||
|| 0 || 0 ||
|| 1 || 31.579 ||
|| 2 || 63.158 ||
|| 3 || 94.737 ||
|| 4 || 126.316 ||
|| 5 || 157.895 ||
|| 6 || 189.474 ||
|| 7 || 221.053 ||
|| 8 || 252.632 ||
|| 9 || 284.211 ||
|| 10 || 315.789 ||
|| 11 || 347.368 ||
|| 12 || 378.947 ||
|| 13 || 410.526 ||
|| 14 || 442.105 ||
|| 15 || 473.684 ||
|| 16 || 505.263 ||
|| 17 || 536.842 ||
|| 18 || 568.421 ||
|| 19 || 600 ||
|| 20 || 631.579 ||
|| 21 || 663.158 ||
|| 22 || 694.737 ||
|| 23 || 726.316 ||
|| 24 || 757.895 ||
|| 25 || 789.474 ||
|| 26 || 821.053 ||
|| 27 || 852.632 ||
|| 28 || 884.211 ||
|| 29 || 915.789 ||
|| 30 || 947.368 ||
|| 31 || 978.947 ||
|| 32 || 1010.526 ||
|| 33 || 1042.105 ||
|| 34 || 1073.684 ||
|| 35 || 1105.263 ||
|| 36 || 1136.842 ||
|| 37 || 1168.421 ||</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;38edo&lt;/title&gt;&lt;/head&gt;&lt;body&gt;&lt;!-- ws:start:WikiTextHeadingRule:0:&amp;lt;h1&amp;gt; --&gt;&lt;h1 id="toc0"&gt;&lt;a name="x38 tone equal temperament"&gt;&lt;/a&gt;&lt;!-- ws:end:WikiTextHeadingRule:0 --&gt;&lt;span style="background-color: #e5e5e5; color: #008693; font-family: 'Times New Roman',Times,serif; font-size: 113%;"&gt;38 tone equal temperament&lt;/span&gt;&lt;/h1&gt;
&lt;br /&gt;
&lt;strong&gt;38edo&lt;/strong&gt; divides the octave into 38 equal parts of 31.579 &lt;a class="wiki_link" href="/cent"&gt;cent&lt;/a&gt;s. Since 38 = 2*19, it can be thought of as two parallel &lt;a class="wiki_link" href="/19edo"&gt;19edo&lt;/a&gt;s. It &lt;a class="wiki_link" href="/tempering%20out"&gt;tempers out&lt;/a&gt; the same &lt;a class="wiki_link" href="/5-limit"&gt;5-limit&lt;/a&gt; commas as &lt;a class="wiki_link" href="/19edo"&gt;19&lt;/a&gt;, namely 81/80, 3125/3072 and 15625/15552. In the &lt;a class="wiki_link" href="/7-limit"&gt;7-limit&lt;/a&gt;, we can add 50/49, and tempering out 81/80 and 50/49 gives &lt;a class="wiki_link" href="/Meantone%20family"&gt;injera temperament&lt;/a&gt;, for which 38 is the &lt;a class="wiki_link" href="/optimal%20patent%20val"&gt;optimal patent val&lt;/a&gt;. In the &lt;a class="wiki_link" href="/11-limit"&gt;11-limit&lt;/a&gt;, we can add 121/120 and 176/175.&lt;br /&gt;
&lt;br /&gt;
&lt;!-- ws:start:WikiTextHeadingRule:2:&amp;lt;h3&amp;gt; --&gt;&lt;h3 id="toc1"&gt;&lt;a name="x38 tone equal temperament--38-EDO Intervals:"&gt;&lt;/a&gt;&lt;!-- ws:end:WikiTextHeadingRule:2 --&gt;38-EDO Intervals:&lt;/h3&gt;


&lt;table class="wiki_table"&gt;
{| class="wikitable"
    &lt;tr&gt;
|-
        &lt;td&gt;&lt;strong&gt;Step&lt;/strong&gt;&lt;br /&gt;
| | '''Step'''
&lt;/td&gt;
| | '''Size in Cents'''
        &lt;td&gt;&lt;strong&gt;Size in Cents&lt;/strong&gt;&lt;br /&gt;
|-
&lt;/td&gt;
| | 0
    &lt;/tr&gt;
| | 0
    &lt;tr&gt;
|-
        &lt;td&gt;0&lt;br /&gt;
| | 1
&lt;/td&gt;
| | 31.579
        &lt;td&gt;0&lt;br /&gt;
|-
&lt;/td&gt;
| | 2
    &lt;/tr&gt;
| | 63.158
    &lt;tr&gt;
|-
        &lt;td&gt;1&lt;br /&gt;
| | 3
&lt;/td&gt;
| | 94.737
        &lt;td&gt;31.579&lt;br /&gt;
|-
&lt;/td&gt;
| | 4
    &lt;/tr&gt;
| | 126.316
    &lt;tr&gt;
|-
        &lt;td&gt;2&lt;br /&gt;
| | 5
&lt;/td&gt;
| | 157.895
        &lt;td&gt;63.158&lt;br /&gt;
|-
&lt;/td&gt;
| | 6
    &lt;/tr&gt;
| | 189.474
    &lt;tr&gt;
|-
        &lt;td&gt;3&lt;br /&gt;
| | 7
&lt;/td&gt;
| | 221.053
        &lt;td&gt;94.737&lt;br /&gt;
|-
&lt;/td&gt;
| | 8
    &lt;/tr&gt;
| | 252.632
    &lt;tr&gt;
|-
        &lt;td&gt;4&lt;br /&gt;
| | 9
&lt;/td&gt;
| | 284.211
        &lt;td&gt;126.316&lt;br /&gt;
|-
&lt;/td&gt;
| | 10
    &lt;/tr&gt;
| | 315.789
    &lt;tr&gt;
|-
        &lt;td&gt;5&lt;br /&gt;
| | 11
&lt;/td&gt;
| | 347.368
        &lt;td&gt;157.895&lt;br /&gt;
|-
&lt;/td&gt;
| | 12
    &lt;/tr&gt;
| | 378.947
    &lt;tr&gt;
|-
        &lt;td&gt;6&lt;br /&gt;
| | 13
&lt;/td&gt;
| | 410.526
        &lt;td&gt;189.474&lt;br /&gt;
|-
&lt;/td&gt;
| | 14
    &lt;/tr&gt;
| | 442.105
    &lt;tr&gt;
|-
        &lt;td&gt;7&lt;br /&gt;
| | 15
&lt;/td&gt;
| | 473.684
        &lt;td&gt;221.053&lt;br /&gt;
|-
&lt;/td&gt;
| | 16
    &lt;/tr&gt;
| | 505.263
    &lt;tr&gt;
|-
        &lt;td&gt;8&lt;br /&gt;
| | 17
&lt;/td&gt;
| | 536.842
        &lt;td&gt;252.632&lt;br /&gt;
|-
&lt;/td&gt;
| | 18
    &lt;/tr&gt;
| | 568.421
    &lt;tr&gt;
|-
        &lt;td&gt;9&lt;br /&gt;
| | 19
&lt;/td&gt;
| | 600
        &lt;td&gt;284.211&lt;br /&gt;
|-
&lt;/td&gt;
| | 20
    &lt;/tr&gt;
| | 631.579
    &lt;tr&gt;
|-
        &lt;td&gt;10&lt;br /&gt;
| | 21
&lt;/td&gt;
| | 663.158
        &lt;td&gt;315.789&lt;br /&gt;
|-
&lt;/td&gt;
| | 22
    &lt;/tr&gt;
| | 694.737
    &lt;tr&gt;
|-
        &lt;td&gt;11&lt;br /&gt;
| | 23
&lt;/td&gt;
| | 726.316
        &lt;td&gt;347.368&lt;br /&gt;
|-
&lt;/td&gt;
| | 24
    &lt;/tr&gt;
| | 757.895
    &lt;tr&gt;
|-
        &lt;td&gt;12&lt;br /&gt;
| | 25
&lt;/td&gt;
| | 789.474
        &lt;td&gt;378.947&lt;br /&gt;
|-
&lt;/td&gt;
| | 26
    &lt;/tr&gt;
| | 821.053
    &lt;tr&gt;
|-
        &lt;td&gt;13&lt;br /&gt;
| | 27
&lt;/td&gt;
| | 852.632
        &lt;td&gt;410.526&lt;br /&gt;
|-
&lt;/td&gt;
| | 28
    &lt;/tr&gt;
| | 884.211
    &lt;tr&gt;
|-
        &lt;td&gt;14&lt;br /&gt;
| | 29
&lt;/td&gt;
| | 915.789
        &lt;td&gt;442.105&lt;br /&gt;
|-
&lt;/td&gt;
| | 30
    &lt;/tr&gt;
| | 947.368
    &lt;tr&gt;
|-
        &lt;td&gt;15&lt;br /&gt;
| | 31
&lt;/td&gt;
| | 978.947
        &lt;td&gt;473.684&lt;br /&gt;
|-
&lt;/td&gt;
| | 32
    &lt;/tr&gt;
| | 1010.526
    &lt;tr&gt;
|-
        &lt;td&gt;16&lt;br /&gt;
| | 33
&lt;/td&gt;
| | 1042.105
        &lt;td&gt;505.263&lt;br /&gt;
|-
&lt;/td&gt;
| | 34
    &lt;/tr&gt;
| | 1073.684
    &lt;tr&gt;
|-
        &lt;td&gt;17&lt;br /&gt;
| | 35
&lt;/td&gt;
| | 1105.263
        &lt;td&gt;536.842&lt;br /&gt;
|-
&lt;/td&gt;
| | 36
    &lt;/tr&gt;
| | 1136.842
    &lt;tr&gt;
|-
        &lt;td&gt;18&lt;br /&gt;
| | 37
&lt;/td&gt;
| | 1168.421
        &lt;td&gt;568.421&lt;br /&gt;
|}
&lt;/td&gt;
[[Category:edo]]
    &lt;/tr&gt;
[[Category:theory]]
    &lt;tr&gt;
        &lt;td&gt;19&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;600&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;20&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;631.579&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;21&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;663.158&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;22&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;694.737&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;23&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;726.316&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;24&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;757.895&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;25&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;789.474&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;26&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;821.053&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;27&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;852.632&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;28&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;884.211&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;29&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;915.789&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;30&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;947.368&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;31&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;978.947&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;32&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;1010.526&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;33&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;1042.105&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;34&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;1073.684&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;35&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;1105.263&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;36&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;1136.842&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;37&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;1168.421&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
&lt;/table&gt;
 
&lt;/body&gt;&lt;/html&gt;</pre></div>