Diminished family

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Revision as of 01:52, 8 May 2012 by Wikispaces>genewardsmith (**Imported revision 331608928 - Original comment: **)
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IMPORTED REVISION FROM WIKISPACES

This is an imported revision from Wikispaces. The revision metadata is included below for reference:

This revision was by author genewardsmith and made on 2012-05-08 01:52:37 UTC.
The original revision id was 331608928.
The revision comment was:

The revision contents are below, presented both in the original Wikispaces Wikitext format, and in HTML exactly as Wikispaces rendered it.

Original Wikitext content:

[[toc|flat]]

The dimipent family tempers out the major diesis aka diminished comma, 648/625, the amount by which four 6/5 minor thirds exceed an octave, and so identifies the minor third with the quarter-octave. Hence it has the same 300-cent 6/5-approximations as 12edo. 

=Dimipent=
Comma: 648/625

POTE generator: ~3/2 =  699.507

Map: [<4 0 3|, <0 1 1|]
EDOs: 8, 12
Badness: 0.0472

=Hemidim=
Commas: 49/48, 648/625

POTE generator: ~8/7 = 252.555

Map: [<4 0 3 8|, <0 2 2 1|]
Wedgie: <<8 8 4 -6 -16 -13||
EDOs: 24, 52d, 76cd
Badness: 0.0864

==11-limit==
Commas: 49/48, 77/75, 243/242

POTE generator: ~8/7 = 251.658

Map: [<4 0 3 8 -2|, <0 2 2 1 5|]
EDOs: 24, 76cde
Badness: 0.0566

==13-limit==
Commas: 49/48, 66/65, 77/75, 648/625

POTE generator: ~8/7 = 252.225

Map: [<4 0 3 8 -2 -1|, <0 2 2 1 5 5|]
EDOs: 24, 52de, 76cde
Badness: 0.039






Original HTML content:

<html><head><title>Dimipent family</title></head><body><!-- ws:start:WikiTextTocRule:8:&lt;img id=&quot;wikitext@@toc@@flat&quot; class=&quot;WikiMedia WikiMediaTocFlat&quot; title=&quot;Table of Contents&quot; src=&quot;/site/embedthumbnail/toc/flat?w=100&amp;h=16&quot;/&gt; --><!-- ws:end:WikiTextTocRule:8 --><!-- ws:start:WikiTextTocRule:9: --><a href="#Dimipent">Dimipent</a><!-- ws:end:WikiTextTocRule:9 --><!-- ws:start:WikiTextTocRule:10: --> | <a href="#Hemidim">Hemidim</a><!-- ws:end:WikiTextTocRule:10 --><!-- ws:start:WikiTextTocRule:11: --><!-- ws:end:WikiTextTocRule:11 --><!-- ws:start:WikiTextTocRule:12: --><!-- ws:end:WikiTextTocRule:12 --><!-- ws:start:WikiTextTocRule:13: -->
<!-- ws:end:WikiTextTocRule:13 --><br />
The dimipent family tempers out the major diesis aka diminished comma, 648/625, the amount by which four 6/5 minor thirds exceed an octave, and so identifies the minor third with the quarter-octave. Hence it has the same 300-cent 6/5-approximations as 12edo. <br />
<br />
<!-- ws:start:WikiTextHeadingRule:0:&lt;h1&gt; --><h1 id="toc0"><a name="Dimipent"></a><!-- ws:end:WikiTextHeadingRule:0 -->Dimipent</h1>
Comma: 648/625<br />
<br />
POTE generator: ~3/2 =  699.507<br />
<br />
Map: [&lt;4 0 3|, &lt;0 1 1|]<br />
EDOs: 8, 12<br />
Badness: 0.0472<br />
<br />
<!-- ws:start:WikiTextHeadingRule:2:&lt;h1&gt; --><h1 id="toc1"><a name="Hemidim"></a><!-- ws:end:WikiTextHeadingRule:2 -->Hemidim</h1>
Commas: 49/48, 648/625<br />
<br />
POTE generator: ~8/7 = 252.555<br />
<br />
Map: [&lt;4 0 3 8|, &lt;0 2 2 1|]<br />
Wedgie: &lt;&lt;8 8 4 -6 -16 -13||<br />
EDOs: 24, 52d, 76cd<br />
Badness: 0.0864<br />
<br />
<!-- ws:start:WikiTextHeadingRule:4:&lt;h2&gt; --><h2 id="toc2"><a name="Hemidim-11-limit"></a><!-- ws:end:WikiTextHeadingRule:4 -->11-limit</h2>
Commas: 49/48, 77/75, 243/242<br />
<br />
POTE generator: ~8/7 = 251.658<br />
<br />
Map: [&lt;4 0 3 8 -2|, &lt;0 2 2 1 5|]<br />
EDOs: 24, 76cde<br />
Badness: 0.0566<br />
<br />
<!-- ws:start:WikiTextHeadingRule:6:&lt;h2&gt; --><h2 id="toc3"><a name="Hemidim-13-limit"></a><!-- ws:end:WikiTextHeadingRule:6 -->13-limit</h2>
Commas: 49/48, 66/65, 77/75, 648/625<br />
<br />
POTE generator: ~8/7 = 252.225<br />
<br />
Map: [&lt;4 0 3 8 -2 -1|, &lt;0 2 2 1 5 5|]<br />
EDOs: 24, 52de, 76cde<br />
Badness: 0.039</body></html>