Armodue theory: Difference between revisions

Wikispaces>hstraub
**Imported revision 240977343 - Original comment: **
Wikispaces>hstraub
**Imported revision 240978573 - Original comment: **
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<h2>IMPORTED REVISION FROM WIKISPACES</h2>
<h2>IMPORTED REVISION FROM WIKISPACES</h2>
This is an imported revision from Wikispaces. The revision metadata is included below for reference:<br>
This is an imported revision from Wikispaces. The revision metadata is included below for reference:<br>
: This revision was by author [[User:hstraub|hstraub]] and made on <tt>2011-07-12 09:38:12 UTC</tt>.<br>
: This revision was by author [[User:hstraub|hstraub]] and made on <tt>2011-07-12 09:48:22 UTC</tt>.<br>
: The original revision id was <tt>240977343</tt>.<br>
: The original revision id was <tt>240978573</tt>.<br>
: The revision comment was: <tt></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>
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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One step of 16edo (75 cents) is nearly equal to two steps (2\31) of [[31edo]] (77.42 cents). If we take the latter as a base, we get semi-equalized Armodue. In this temperament there is inevitably a smaller microtone (eka between the notes '7#' and '8'). leading to the 16 note MOS Valentine[16] of [[Starling temperaments#Valentine|valentine temperament]]. Similarly we might use three steps of [[46edo]], 3\46, 78.26 cents, or five steps of [[77edo]], 77.92 cents.
One step of 16edo (75 cents) is nearly equal to two steps (2\31) of [[31edo]] (77.42 cents). If we take the latter as a base, we get semi-equalized Armodue. In this temperament there is inevitably a smaller microtone (eka between the notes '7#' and '8'). leading to the 16 note MOS Valentine[16] of [[Starling temperaments#Valentine|valentine temperament]]. Similarly we might use three steps of [[46edo]], 3\46, 78.26 cents, or five steps of [[77edo]], 77.92 cents.


Semi-equalized Armodue provides a balance between the symmetry of the equalized system and the purity of natural intervals (intervals of semi-equalized Armodue are very pure, and at the same time it preserves the symmetry of the equalized system and its interval sizes almost unchanged).</pre></div>
Semi-equalized Armodue provides a balance between the symmetry of the equalized system and the purity of natural intervals (intervals of semi-equalized Armodue are very pure, and at the same time it preserves the symmetry of the equalized system and its interval sizes almost unchanged).
 
||~ Armodue note ||~ cents (16edo) ||~ cents (semi-equalized Armodue based on [[31edo]]) ||
|| 1 || 0 || 0 ||
|| 1# || 75 || 77.42 ||
|| 2 || 150 || 154.84 ||
|| 2# || 225 || 232.26 ||
|| 3 || 300 || 309.68 ||
|| 3# || 375 || 387.10 ||
|| 4 || 450 || 464.52 ||
|| 5 || 525 || 541.94 ||
|| 5# || 600 || 619.35 ||
|| 6 || 675 || 696.77 ||
|| 6# || 750 || 774.19 ||
|| 7 || 825 || 851.61 ||
|| 7# || 900 || 929.03 ||
|| 8 || 975 || 967.74 ||
|| 8# || 1050 || 1045.16 ||
|| 9 || 1125 || 1122.58 ||</pre></div>
<h4>Original HTML content:</h4>
<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;Armodue theory&lt;/title&gt;&lt;/head&gt;&lt;body&gt;&lt;!-- ws:start:WikiTextTocRule:6:&amp;lt;img id=&amp;quot;wikitext@@toc@@flat&amp;quot; class=&amp;quot;WikiMedia WikiMediaTocFlat&amp;quot; title=&amp;quot;Table of Contents&amp;quot; src=&amp;quot;/site/embedthumbnail/toc/flat?w=100&amp;amp;h=16&amp;quot;/&amp;gt; --&gt;&lt;!-- ws:end:WikiTextTocRule:6 --&gt;&lt;!-- ws:start:WikiTextTocRule:7: --&gt;&lt;a href="#Armodue Theory of 16EDO"&gt;Armodue Theory of 16EDO&lt;/a&gt;&lt;!-- ws:end:WikiTextTocRule:7 --&gt;&lt;!-- ws:start:WikiTextTocRule:8: --&gt; | &lt;a href="#Armodue just intonation - connection to Lou Harrison and Andrián Pertout"&gt;Armodue just intonation - connection to Lou Harrison and Andrián Pertout&lt;/a&gt;&lt;!-- ws:end:WikiTextTocRule:8 --&gt;&lt;!-- ws:start:WikiTextTocRule:9: --&gt; | &lt;a href="#Semi-equalized Armodue"&gt;Semi-equalized Armodue&lt;/a&gt;&lt;!-- ws:end:WikiTextTocRule:9 --&gt;&lt;!-- ws:start:WikiTextTocRule:10: --&gt;
<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;Armodue theory&lt;/title&gt;&lt;/head&gt;&lt;body&gt;&lt;!-- ws:start:WikiTextTocRule:6:&amp;lt;img id=&amp;quot;wikitext@@toc@@flat&amp;quot; class=&amp;quot;WikiMedia WikiMediaTocFlat&amp;quot; title=&amp;quot;Table of Contents&amp;quot; src=&amp;quot;/site/embedthumbnail/toc/flat?w=100&amp;amp;h=16&amp;quot;/&amp;gt; --&gt;&lt;!-- ws:end:WikiTextTocRule:6 --&gt;&lt;!-- ws:start:WikiTextTocRule:7: --&gt;&lt;a href="#Armodue Theory of 16EDO"&gt;Armodue Theory of 16EDO&lt;/a&gt;&lt;!-- ws:end:WikiTextTocRule:7 --&gt;&lt;!-- ws:start:WikiTextTocRule:8: --&gt; | &lt;a href="#Armodue just intonation - connection to Lou Harrison and Andrián Pertout"&gt;Armodue just intonation - connection to Lou Harrison and Andrián Pertout&lt;/a&gt;&lt;!-- ws:end:WikiTextTocRule:8 --&gt;&lt;!-- ws:start:WikiTextTocRule:9: --&gt; | &lt;a href="#Semi-equalized Armodue"&gt;Semi-equalized Armodue&lt;/a&gt;&lt;!-- ws:end:WikiTextTocRule:9 --&gt;&lt;!-- ws:start:WikiTextTocRule:10: --&gt;
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&lt;table class="wiki_table"&gt;
&lt;table class="wiki_table"&gt;
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         &lt;td&gt;&lt;!-- ws:start:WikiTextRemoteImageRule:215:&amp;lt;img src=&amp;quot;http://www.armodue.com/TETR-%5B1%5D.jpg&amp;quot; alt=&amp;quot;copyright Armodue, used with permission&amp;quot; title=&amp;quot;copyright Armodue, used with permission&amp;quot; /&amp;gt; --&gt;&lt;table class="captionBox"&gt;&lt;tr&gt;&lt;td class="captionedImage"&gt;&lt;img src="http://www.armodue.com/TETR-%5B1%5D.jpg" alt="copyright Armodue, used with permission" title="copyright Armodue, used with permission" /&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td class="imageCaption"&gt;copyright Armodue, used with permission&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;!-- ws:end:WikiTextRemoteImageRule:215 --&gt;&lt;br /&gt;
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&lt;br /&gt;
&lt;br /&gt;
&lt;!-- ws:start:WikiTextLocalImageRule:214:&amp;lt;img src=&amp;quot;/file/view/Armodue_Neck.PNG/215944122/640x126/Armodue_Neck.PNG&amp;quot; alt=&amp;quot;&amp;quot; title=&amp;quot;&amp;quot; style=&amp;quot;height: 126px; width: 640px;&amp;quot; /&amp;gt; --&gt;&lt;img src="/file/view/Armodue_Neck.PNG/215944122/640x126/Armodue_Neck.PNG" alt="Armodue_Neck.PNG" title="Armodue_Neck.PNG" style="height: 126px; width: 640px;" /&gt;&lt;!-- ws:end:WikiTextLocalImageRule:214 --&gt;&lt;br /&gt;
&lt;!-- ws:start:WikiTextLocalImageRule:352:&amp;lt;img src=&amp;quot;/file/view/Armodue_Neck.PNG/215944122/640x126/Armodue_Neck.PNG&amp;quot; alt=&amp;quot;&amp;quot; title=&amp;quot;&amp;quot; style=&amp;quot;height: 126px; width: 640px;&amp;quot; /&amp;gt; --&gt;&lt;img src="/file/view/Armodue_Neck.PNG/215944122/640x126/Armodue_Neck.PNG" alt="Armodue_Neck.PNG" title="Armodue_Neck.PNG" style="height: 126px; width: 640px;" /&gt;&lt;!-- ws:end:WikiTextLocalImageRule:352 --&gt;&lt;br /&gt;
Armodue Neck Inlays&lt;br /&gt;
Armodue Neck Inlays&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
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One step of 16edo (75 cents) is nearly equal to two steps (2\31) of &lt;a class="wiki_link" href="/31edo"&gt;31edo&lt;/a&gt; (77.42 cents). If we take the latter as a base, we get semi-equalized Armodue. In this temperament there is inevitably a smaller microtone (eka between the notes '7#' and '8'). leading to the 16 note MOS Valentine[16] of &lt;a class="wiki_link" href="/Starling%20temperaments#Valentine"&gt;valentine temperament&lt;/a&gt;. Similarly we might use three steps of &lt;a class="wiki_link" href="/46edo"&gt;46edo&lt;/a&gt;, 3\46, 78.26 cents, or five steps of &lt;a class="wiki_link" href="/77edo"&gt;77edo&lt;/a&gt;, 77.92 cents.&lt;br /&gt;
One step of 16edo (75 cents) is nearly equal to two steps (2\31) of &lt;a class="wiki_link" href="/31edo"&gt;31edo&lt;/a&gt; (77.42 cents). If we take the latter as a base, we get semi-equalized Armodue. In this temperament there is inevitably a smaller microtone (eka between the notes '7#' and '8'). leading to the 16 note MOS Valentine[16] of &lt;a class="wiki_link" href="/Starling%20temperaments#Valentine"&gt;valentine temperament&lt;/a&gt;. Similarly we might use three steps of &lt;a class="wiki_link" href="/46edo"&gt;46edo&lt;/a&gt;, 3\46, 78.26 cents, or five steps of &lt;a class="wiki_link" href="/77edo"&gt;77edo&lt;/a&gt;, 77.92 cents.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Semi-equalized Armodue provides a balance between the symmetry of the equalized system and the purity of natural intervals (intervals of semi-equalized Armodue are very pure, and at the same time it preserves the symmetry of the equalized system and its interval sizes almost unchanged).&lt;/body&gt;&lt;/html&gt;</pre></div>
Semi-equalized Armodue provides a balance between the symmetry of the equalized system and the purity of natural intervals (intervals of semi-equalized Armodue are very pure, and at the same time it preserves the symmetry of the equalized system and its interval sizes almost unchanged).&lt;br /&gt;
&lt;br /&gt;
 
 
&lt;table class="wiki_table"&gt;
    &lt;tr&gt;
        &lt;th&gt;Armodue note&lt;br /&gt;
&lt;/th&gt;
        &lt;th&gt;cents (16edo)&lt;br /&gt;
&lt;/th&gt;
        &lt;th&gt;cents (semi-equalized Armodue based on &lt;a class="wiki_link" href="/31edo"&gt;31edo&lt;/a&gt;)&lt;br /&gt;
&lt;/th&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;1&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;0&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;0&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;1#&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;75&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;77.42&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;2&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;150&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;154.84&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;2#&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;225&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;232.26&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;3&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;300&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;309.68&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;3#&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;375&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;387.10&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;4&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;450&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;464.52&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;5&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;525&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;541.94&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;5#&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;600&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;619.35&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;6&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;675&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;696.77&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;6#&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;750&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;774.19&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;7&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;825&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;851.61&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;7#&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;900&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;929.03&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;8&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;975&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;967.74&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;8#&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;1050&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;1045.16&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;9&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;1125&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;1122.58&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
&lt;/table&gt;
 
&lt;/body&gt;&lt;/html&gt;</pre></div>