Misty comma: Difference between revisions

Wikispaces>genewardsmith
**Imported revision 251684638 - Original comment: **
ArrowHead294 (talk | contribs)
mNo edit summary
 
(17 intermediate revisions by 11 users not shown)
Line 1: Line 1:
<h2>IMPORTED REVISION FROM WIKISPACES</h2>
{{Infobox Interval
This is an imported revision from Wikispaces. The revision metadata is included below for reference:<br>
| Ratio = 67108864/66430125
: This revision was by author [[User:genewardsmith|genewardsmith]] and made on <tt>2011-09-07 16:09:49 UTC</tt>.<br>
| Name = misty comma
: The original revision id was <tt>251684638</tt>.<br>
|Color name = ssg<sup>3</sup>3, sasatrigu 3rd,<br>Sasatrigu comma
: The revision comment was: <tt></tt><br>
| Comma = yes
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>
The '''misty comma''', '''67108864/66430125''' = {{monzo| 26 -12 -3 }}, is a [[small comma]] of 17.599 cents. It is the amount by which a stack of three [[512/405|ptolemaic diminished fourths (512/405)]] exceed the [[octave]]. It can be written as ([[81/80]])/([[32805/32768]])<sup>2</sup>, ([[2048/2025]])/([[32805/32768]]), ([[128/125]])/([[531441/524288]]). Since these are commas of [[12edo]], so is the misty comma. It factors into simpler commas as ([[393216/390625]])([[1600000/1594323]]). However, the [[misty]] temperament, the 5-limit temperament tempering out the misty comma, is much more accurate than 12 equal can provide, and is also a comma of [[87edo]] and [[99edo]]. This temperament is notably in the [[schismic–Pythagorean equivalence continuum]], with ''n'' = 3.
<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">67108864/66430125 = |26 -12 -3&gt;, the misty comma of 17.599 cents, can be written as (81/80)/(32805/32768)^2, (2048/2025)/(32805/32768) and 393216/390625 * 1600000/1594323. Since these are commas of 12et, so is the misty comma. However, [[Misty family|misty temperament]], the 5-limit temperament tempering out the misty comma, is much more accurate than 12 equal can provide, and is also a comma of [[87edo]] and [[99edo]].</pre></div>
 
<h4>Original HTML content:</h4>
== Etymology ==
<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;misty comma&lt;/title&gt;&lt;/head&gt;&lt;body&gt;67108864/66430125 = |26 -12 -3&amp;gt;, the misty comma of 17.599 cents, can be written as (81/80)/(32805/32768)^2, (2048/2025)/(32805/32768) and 393216/390625 * 1600000/1594323. Since these are commas of 12et, so is the misty comma. However, &lt;a class="wiki_link" href="/Misty%20family"&gt;misty temperament&lt;/a&gt;, the 5-limit temperament tempering out the misty comma, is much more accurate than 12 equal can provide, and is also a comma of &lt;a class="wiki_link" href="/87edo"&gt;87edo&lt;/a&gt; and &lt;a class="wiki_link" href="/99edo"&gt;99edo&lt;/a&gt;.&lt;/body&gt;&lt;/html&gt;</pre></div>
The misty comma seems to have been named by [[Paul Erlich]] in 2002, referring to the fact that [[Carl Lumma]] "missed" this comma in a 5-limit comma search<ref>[https://yahootuninggroupsultimatebackup.github.io/tuning-math/topicId_5080.html#5113 Yahoo! Tuning Group | ''Ultimate 5-limit comma list'']</ref>.
 
== Notes ==
 
[[Category:Misty]]
[[Category:Commas named following events]]