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[[User:BudjarnLambeth/Draft related tunings section]]
[[User:BudjarnLambeth/Draft related tunings section]]


= Lab =
== Octave stretch or compression ==
 
15edo
* 52ed11
* 11lim WE (79.770)
* 50ed10
* 47zpi (79.715)
* 54ed12
15edo's [[prime]]s 3, 5, 11 and 13 are all tuned sharp, so it can benefit from [[octave shrinking]].
 
18edo
* 42ed5
* 13lim WE (66.291)
* 61zpi (66.228)
* 65ed12
* 7lim WE (66.148)
* 47ed6
18edo's [[prime]]s 3, 5, 7 and 13 are all tuned sharp, so it can benefit from [[octave shrinking]].
18edo's [[prime]]s 3, 5, 7 and 13 are all tuned sharp, so it can benefit from [[octave shrinking]].


25edo
; 18edo
* 95zpi (48.067)
* Step size: NNN{{c}}, octave size: NNN{{c}}  
* 13lim WE (47.946)
Pure-octaves 18edo approximates all harmonics up to 16 within NNN{{c}}.
* 90ed12
{{Harmonics in equal|18|2|1|intervals=integer|columns=11|collapsed=true|title=Approximation of harmonics in 18edo}}
* 65ed6
{{Harmonics in equal|18|2|1|intervals=integer|columns=12|start=12|collapsed=true|title=Approximation of harmonics in 18edo (continued)}}
* 96zpi (47.642)
25edo's [[prime]] 3 is very sharp, and its sharp and flat mapping of 11 and 13 are about equally bad, it can benefit from [[octave shrinking]].
 
26edo
* 13lim WE (46.249)
* 93ed12
* 100zpi (46.268)
26edo's simple [[prime]]s with the most error - 3, 5 and 13 - are all tuned flat, so it can benefit from [[octave stretching]].
 
29edo
* 46edt
* [[116zpi]] (41.465)
* 13lim WE (41.484)
* 107ed13
* 100ed11
* 96ed10
29edo's [[prime]]s 5, 7, 11 and 13 are all tuned flat and the 3 has relatively little error, so 29edo can benefit from [[octave stretching]].
 
30edo
* 39.918zpi (39.918)
* 13lim WE (39.904)
* 11lim WE (79.770)
* 100ed10
* 108ed12
* 78ed6
30edo's simple [[prime]]s with the most error - 3, 5 and 11 - are all tuned sharp, so it can benefit from [[octave shrinking]].
 
34edo
* 11lim WE (35.284)
* 13lim WE (35.276) (octave identical to 113ed10 within 0.1{{c}})
* 79ed5
* 122ed12
* 88ed6
* 144zpi (35.248)
* 126ed13
* 54edt
34edo's [[prime]]s 3, 5, 11 and 13 are all tuned sharp, and it has two about equally bad mappings of 7, so 34edo can benefit from [[octave shrinking]].
 
35edo
* 11lim WE (35.284)
* 13lim WE (35.276)
* 121ed11
* [[149zpi]] (34.359)
* 116ed10
* 98ed7
* 81ed5
* 125ed12
* 90ed6
35edo's [[prime]]s 3, 5, 7 and 11 are all tuned flat, and it has two about equally bad mappings of 13, so 35edo can benefit from [[octave stretching]].
 
37edo
* 137ed13
* [[161zpi]] (32.408) (octave identical to 123ed10 within 0.1{{c}})
* 86ed5
* 104ed7
* 13lim WE (32.383)
* 11lim WE (32.377)
* 133ed12
* 96ed6
37edo's [[prime]]s 3, 5, 7, 11 and 13 are all tuned sharp, so it can benefit from [[octave shrinking]].
 
48edo
* 13lim WE (25.005)
* 226zpi (25.006)
* 166ed11
* 172ed12
* 124ed6 (octave identical to 11lim WE within 0.1{{c}})
* 76edt
* 28edf (octave identical to 159ed10 within 0.1{{c}})
Most of 48edo's simple [[prime]]s have low error, but its 5 is substantially flat, so 48edo can benefit from slight [[octave stretching]].
 
; Medium-low priority


10edo
; [[WE|18et, 13-limit WE tuning]]
* 2.5.7.13 WE (120.358)
* Step size: 66.291{{c}}, octave size: 1193.2{{c}}
* 28ed7
Compressing the octave of 18edo by around 7{{c}} results in improved primes NNN, but worse primes NNN. This approximates all harmonics up to 16 within NNN{{c}}. Its 13-limit WE tuning and 13-limit [[TE]] tuning both do this.
* 37ed13
{{Harmonics in cet|66.291|intervals=integer|columns=11|collapsed=true|title=Approximation of harmonics in 18et, 13-limit WE tuning}}
* 26zpi (119.899)
{{Harmonics in cet|66.291|intervals=integer|columns=12|start=12|collapsed=true|title=Approximation of harmonics in 18et, 13-limit WE tuning (continued)}}
* 2.3.7.13 WE (119.785)
* 13lim WE (119.776)
* 36ed12
If one wishes to use 10edo as a no-5s, 19-or-lower-limit tuning, then it benefits from [[octave shrinking]]. If one wishes to use 10edo as a no-3s, 13-or-lower-limit tuning, then it benefits from [[octave stretching]].


11edo
; [[zpi|61zpi]]
* 28ed6
* Step size: 66.228{{c}}, octave size: 1192.1{{c}}
* 39ed12
Compressing the octave of 18edo by around 8{{c}} results in improved primes NNN, but worse primes NNN. This approximates all harmonics up to 16 within NNN{{c}}. The tuning 61zpi does this.
* 2.7.11.13 WE (108.821)
{{Harmonics in cet| 66.228 |intervals=integer|columns=11|collapsed=true|title=Approximation of harmonics in 61zpi}}
* 30zpi (108.722)
{{Harmonics in cet| 66.228 |intervals=integer|columns=12|start=12|collapsed=true|title=Approximation of harmonics in 61zpi (continued)}}
* 35ed9
* 31ed7
* 41ed13
* 37ed10
11edo has about equally bad sharp and flat mappings of [[prime]]s 3 and 5. The 7 and 13 are quite sharp, but the 11 is a little flat. To use it as a 2.7.11.13 tuning, slight [[octave shrinking]] is advisable. To use its primes 3 or 5, extreme octave shrinking can be used, at the cost of making the octaves sound significantly weaker.


24edo
; [[65ed12]]
((13lim WE's octave is only 1/10th of a cent different from 24edo))
* Step size: NNN{{c}}, octave size: 1191.3{{c}}
* 56ed5
Compressing the octave of 18edo by around 9{{c}} results in improved primes NNN, but worse primes NNN. This approximates all harmonics up to 16 within NNN{{c}}. The tuning 65ed12 does this.
* 80ed10
{{Harmonics in equal|65|12|1|intervals=integer|columns=11|collapsed=true|title=Approximation of harmonics in 65ed12}}
* 89ed13
{{Harmonics in equal|65|12|1|intervals=integer|columns=12|start=12|collapsed=true|title=Approximation of harmonics in 65ed12 (continued)}}
* 2.3.5.11.13 WE (49.942)
* 90zpi (49.988)
* 11lim WE (50.017)
* 83ed11
* 86ed12
* 62ed6
* 38edt
If one wishes to use 24edo as a full 19-or-lower-limit tuning, then it benefits from slight [[octave stretching]], mostly to improve its [[prime]] 7. If one wishes to use 24edo as a no-7s 19-or-lower-limit tuning, then it benefits from slight [[octave shrinking]], mostly to improve its primes 5 and 13.


5edo
; [[WE|18et, 7-limit WE tuning]]
* 14ed7
* Step size: 66.148{{c}}, octave size: 1190.7{{c}}
* 2.3.7 WE (239.426)
Compressing the octave of 18edo by around 9.5{{c}} results in improved primes NNN, but worse primes NNN. This approximates all harmonics up to 16 within NNN{{c}}. Its 7-limit WE tuning and 7-limit [[TE]] tuning both do this.
* 18ed12
{{Harmonics in cet| 66.148 |intervals=integer|columns=11|collapsed=true|title=Approximation of harmonics in 18et, 7-limit WE tuning}}
If one wishes to use 5edo as a  2.3.7 [[subgroup]] tuning, then it benefits from slight [[octave shrinking]] to improve its prime 3.
{{Harmonics in cet| 66.148 |intervals=integer|columns=12|start=12|collapsed=true|title=Approximation of harmonics in 18et, 7-limit WE tuning (continued)}}


6edo
; [[47ed6]]
* 19ed9
* Step size: NNN{{c}}, octave size: 1188.0{{c}}
* 2.9.5 WE (199.736)
Compressing the octave of 18edo by around 12{{c}} results in improved primes NNN, but worse primes NNN. This approximates all harmonics up to 16 within NNN{{c}}. The tuning 47ed6 does this.
* 2.9.5.7 WE (199.329)
{{Harmonics in equal|47|6|1|intervals=integer|columns=11|collapsed=true|title=Approximation of harmonics in 47ed6}}
* 20ed10
{{Harmonics in equal|47|6|1|intervals=integer|columns=12|start=12|collapsed=true|title=Approximation of harmonics in 47ed6 (continued)}}
* 14ed5
* 12zpi (198.843)
* 17ed7
If one wishes to use 6edo as a 2.9.5 or 2.9.5.7 [[subgroup]] tuning, then it benefits from [[octave shrinking]].