160/81: Difference between revisions

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**Imported revision 513417292 - Original comment: **
 
Details about naming
 
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<h2>IMPORTED REVISION FROM WIKISPACES</h2>
{{Infobox Interval
This is an imported revision from Wikispaces. The revision metadata is included below for reference:<br>
| Name = syntonic suboctave,
: This revision was by author [[User:spt3125|spt3125]] and made on <tt>2014-06-09 22:27:01 UTC</tt>.<br>
classic grave octave
: The original revision id was <tt>513417292</tt>.<br>
| Sound = jid_160_81_pluck_adu_dr220.mp3
: The revision comment was: <tt></tt><br>
| Color name = y8, yo octave
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>
'''160/81''' is the inversion of the syntonic comma, [[81/80]]. As such, it is very near a full octave. Because "grave" can denote that an interval is lowered by some sort of comma, we can also call this the "classic grave octave." It, being the octave complement of the syntonic comma, can alternatively be given the name "syntonic suboctave"  
<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">**160/81**
|5 -4 1&gt;
1178.4937 cents
[[media type="file" key="jid_160_81_pluck_adu_dr220.mp3"]] [[file:xenharmonic/jid_160_81_pluck_adu_dr220.mp3|sound sample]]


160/81 is the inversion of the syntonic comma, [[81_80|81/80]].  As such it is very near a full octave.
== See also ==
</pre></div>
* [[81/80]] – its [[octave complement]]
<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;160_81&lt;/title&gt;&lt;/head&gt;&lt;body&gt;&lt;strong&gt;160/81&lt;/strong&gt;&lt;br /&gt;
 
|5 -4 1&amp;gt;&lt;br /&gt;
{{stub}}
1178.4937 cents&lt;br /&gt;
[[Category:Octave]]
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&lt;br /&gt;
160/81 is the inversion of the syntonic comma, &lt;a class="wiki_link" href="/81_80"&gt;81/80&lt;/a&gt;.  As such it is very near a full octave.&lt;/body&gt;&lt;/html&gt;</pre></div>

Latest revision as of 12:18, 31 August 2026

Interval information
Ratio 160/81
Factorization 25 × 3-4 × 5
Monzo [5 -4 1
Size in cents 1178.494 ¢
Names syntonic suboctave,
classic grave octave
Color name y8, yo octave
FJS name [math]\displaystyle{ \text{P8}^{5} }[/math]
Special properties reduced
Tenney norm (log2 nd) 13.6618
Weil norm (log2 max(n, d)) 14.6439
Wilson norm (sopfr(nd)) 27

[sound info]
Open this interval in xen-calc

160/81 is the inversion of the syntonic comma, 81/80. As such, it is very near a full octave. Because "grave" can denote that an interval is lowered by some sort of comma, we can also call this the "classic grave octave." It, being the octave complement of the syntonic comma, can alternatively be given the name "syntonic suboctave"

See also


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