36/19: Difference between revisions

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**Imported revision 513547448 - Original comment: **
 
m Text replacement - " {{Interval_Edo_Approximation | " to "{{Interval edo approximation|"
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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 = undevicesimal major seventh, Boethius' major seventh
: This revision was by author [[User:spt3125|spt3125]] and made on <tt>2014-06-10 21:56:48 UTC</tt>.<br>
| Color name = 19u7, inu 7th
: The original revision id was <tt>513547448</tt>.<br>
| Sound = jid_36_19_pluck_adu_dr220.mp3
: 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>
In [[19-limit]] [[just intonation]], '''36/19''' is the '''undevicesimal major seventh''' or '''Boethius' major seventh''', measuring about 1106.4¢. It is flat of the [[243/128|Pythagorean major seventh (243/128)]] by [[513/512]], the ''undevicesimal comma'' aka ''Boethius' comma''.  
<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">**36/19**
== Approximation ==
|2 2 0 0 0 0 0 -1&gt;
{{Interval edo approximation|36/19}}
1106.397 cents
 
[[media type="file" key="jid_36_19_pluck_adu_dr220.mp3"]] [[file:xenharmonic/jid_36_19_pluck_adu_dr220.mp3|sound sample]]
== See also ==
</pre></div>
* [[19/18]] – its [[octave complement]], the large undevicesimal semitone
<h4>Original HTML content:</h4>
* [[19/10]] – the undevicesimal diminished octave
<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;36_19&lt;/title&gt;&lt;/head&gt;&lt;body&gt;&lt;strong&gt;36/19&lt;/strong&gt;&lt;br /&gt;
* [[Gallery of just intervals]]
|2 2 0 0 0 0 0 -1&amp;gt;&lt;br /&gt;
 
1106.397 cents&lt;br /&gt;
[[Category:Seventh]]
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[[Category:Major seventh]]
[[Category:Boethius]]

Latest revision as of 13:15, 3 November 2025

Interval information
Ratio 36/19
Subgroup monzo 2.3.19 [2 2 -1
Size in cents 1106.397¢
Names undevicesimal major seventh,
Boethius' major seventh
Color name 19u7, inu 7th
FJS name [math]\displaystyle{ \text{M7}_{19} }[/math]
Special properties reduced
Tenney norm (log2 nd) 9.41785
Weil norm (log2 max(n, d)) 10.3399
Wilson norm (sopfr(nd)) 29

[sound info]
Open this interval in xen-calc

In 19-limit just intonation, 36/19 is the undevicesimal major seventh or Boethius' major seventh, measuring about 1106.4¢. It is flat of the Pythagorean major seventh (243/128) by 513/512, the undevicesimal comma aka Boethius' comma.

Approximation

Edo approximations for 36/19 (1106.40 ¢)
≤ 80edo, relative error ≤ 10%
Edo Step size Cents (¢) Absolute error (¢) Relative error (%)
12 11\12 1100.00 -6.40 -6.40
13 12\13 1107.69 +1.30 +1.40
14 13\14 1114.29 +7.89 +9.20
25 23\25 1104.00 -2.40 -4.99
26 24\26 1107.69 +1.30 +2.81
38 35\38 1105.26 -1.13 -3.59
39 36\39 1107.69 +1.30 +4.21
50 46\50 1104.00 -2.40 -9.99
51 47\51 1105.88 -0.51 -2.19
52 48\52 1107.69 +1.30 +5.61
63 58\63 1104.76 -1.64 -8.58
64 59\64 1106.25 -0.15 -0.78
65 60\65 1107.69 +1.30 +7.02
76 70\76 1105.26 -1.13 -7.18
77 71\77 1106.49 +0.10 +0.62
78 72\78 1107.69 +1.30 +8.42

See also