Perfect fifth: Difference between revisions

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<h2>IMPORTED REVISION FROM WIKISPACES</h2>
A perfect fifth in meantone, and in common practice theory, consists of four diatonic semitones and three chromatic semitones. In [[12edo|12edo]], and hence in most discussions these days, that is simplified to seven semitones. On the other hand, in just intonation it consists of four just diatonic semitones of 16/15, three just chromatic semitones of 25/24, and two Didymus commas of 81/80, and is the [[just_perfect_fifth|just perfect fifth]] of 3/2.
This is an imported revision from Wikispaces. The revision metadata is included below for reference:<br>
[[Category:interval]]
: This revision was by author [[User:genewardsmith|genewardsmith]] and made on <tt>2011-08-08 23:19:47 UTC</tt>.<br>
: The original revision id was <tt>244963163</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">A perfect fifth in meantone, and in common practice theory, consists of four diatonic semitones and three chromatic semitones. In [[12edo]], and hence in most discussions these days, that is simplified to seven semitones. On the other hand, in just intonation it consists of four just diatonic semitones of 16/15, three just chromatic semitones of 25/24, and two Didymus commas of 81/80, and is the [[just perfect fifth]] of 3/2.</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;perfect fifth&lt;/title&gt;&lt;/head&gt;&lt;body&gt;A perfect fifth in meantone, and in common practice theory, consists of four diatonic semitones and three chromatic semitones. In &lt;a class="wiki_link" href="/12edo"&gt;12edo&lt;/a&gt;, and hence in most discussions these days, that is simplified to seven semitones. On the other hand, in just intonation it consists of four just diatonic semitones of 16/15, three just chromatic semitones of 25/24, and two Didymus commas of 81/80, and is the &lt;a class="wiki_link" href="/just%20perfect%20fifth"&gt;just perfect fifth&lt;/a&gt; of 3/2.&lt;/body&gt;&lt;/html&gt;</pre></div>

Revision as of 00:00, 17 July 2018

A perfect fifth in meantone, and in common practice theory, consists of four diatonic semitones and three chromatic semitones. In 12edo, and hence in most discussions these days, that is simplified to seven semitones. On the other hand, in just intonation it consists of four just diatonic semitones of 16/15, three just chromatic semitones of 25/24, and two Didymus commas of 81/80, and is the just perfect fifth of 3/2.