ED5: Difference between revisions
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'''Ed5''' means '''Division of the Fifth Harmonic (5/1) into n equal parts'''. | '''Ed5''' means '''Division of the Fifth Harmonic (5/1) into n equal parts'''. | ||
=Division of the fifth harmonic into n equal parts | <span style="font-size: 150%;">Division of the fifth harmonic into n equal parts</span> | ||
The fifth harmonic is particularly wide as far as equivalences go. | The fifth harmonic is particularly wide as far as equivalences go. There are (at absolute most) ~4.8 pentaves within the human hearing range; imagine if that were the case with octaves. If one does indeed deal with pentave equivalence, this fact shapes one's musical approach dramatically. Following this, the quintessential example of a pentave based tuning is hyperpyth (see [[17ed5]]). However, perhaps the more common reason to use these scales is in approximation with lower harmonic factors than 5. This approach is highlighted by Hieronymus ([[20ed5]]) which itself is a zeta peak tuning (not "no-fives", full on zeta). Other reasons for taking the nth root of 5 include finding temperaments like orwell, meantone, and thuja. This approach can of course be used indiscriminately. | ||
== Individual pages for ED5s == | == Individual pages for ED5s == | ||
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*[[99ed5]] | *[[99ed5]] | ||
*[[100ed5]] compare [[43edo]] | *[[100ed5]] compare [[43edo]] | ||
==ED5-EDO correspondence== | |||
{| class="wikitable" | |||
|- | |||
! | ED5 | |||
! | EDO | |||
! | Comments | |||
|- | |||
| | [[7ed5]] | |||
| | [[3edo]] | |||
| | 7ed5 is 3edo with ~5.9 cent compressed octaves. <br>Equivalently, 3edo is 7ed5 with pentaves stretched by ~13.7 cents. <br>Patent vals match through the 67-limit. | |||
|- | |||
| | [[9ed5]] | |||
| | [[4edo]] | |||
| | Very rough correspondence, but patent vals agree through the 7-limit. | |||
|- | |||
| | [[14ed5]] | |||
| | [[6edo]] | |||
| | Same 5.9 cent octave compression as 7ed5~3edo. Patent vals agree through the 17-limit. | |||
|- | |||
| | [[16ed5]] | |||
| | [[7edo]] | |||
| | Only rough correspondence. Patent vals differ in the 7-limit. | |||
|- | |||
| | [[21ed5]] | |||
| | [[9edo]] | |||
| | Same 5.9 cent octave compression as 7ed5~3edo. Patent vals agree through the 59-limit. | |||
|- | |||
| | [[23ed5]] | |||
| | [[10edo]] | |||
| | 23ed5 is 10edo with ~11 cent stretched octaves. Patent vals match through the 23-limit, with the exception of 11 and 17. | |||
|- | |||
| | [[28ed5]] | |||
| | [[12edo]] | |||
| | Same 5.9 cent octave compression as 7ed5~3edo. Patent vals match through the 19-limit, with the exception of 13 (as expected). | |||
|- | |||
| | [[30ed5]] | |||
| | [[13edo]] | |||
| | 30ed5 is 13edo with ~7.4 cent stretched octaves. Patent vals match through the 19-limit, with the exception of 3 (which neither represents well). | |||
|- | |||
| | [[35ed5]] | |||
| | [[15edo]] | |||
| | Same 5.9 cent octave compression as 7ed5~3edo. Patent vals agree through the 13-limit. | |||
|- | |||
| | [[37ed5]] | |||
| | [[16edo]] | |||
| | 37ed5 is 16edo with ~4.9 cent stretched octaves. Patent vals match through the 23-limit. | |||
|- | |||
| | [[42ed5]] | |||
| | [[18edo]] | |||
| | Same 5.9 cent octave compression as 7ed5~3edo. Patent vals match through the 17-limit, with the exception of 11. | |||
|- | |||
| | [[44ed5]] | |||
| | [[19edo]] | |||
| | 44ed5 is 19edo with ~3.2 cent stretched octaves. Patent vals match through the 13-limit. | |||
|- | |||
| | [[49ed5]] | |||
| | [[21edo]] | |||
| | Same 5.9 cent octave compression as 7ed5~3edo. Patent vals agree through the 17-limit. | |||
|- | |||
| | [[51ed5]] | |||
| | [[22edo]] | |||
| | 51ed5 is 22edo with ~1.9 cent stretched octaves. Patent vals match through the 19-limit. | |||
|- | |||
| | [[56ed5]] | |||
| | [[24edo]] | |||
| | This is a rough correspondence, as the (7n)ed5 ~ (3n)edo sequence begins to break down. Patent vals match through the 13-limit, with the exception of 7. | |||
|- | |||
| | [[58ed5]] | |||
| | [[25edo]] | |||
| | 58ed5 is 25edo with ~1.0 cent stretched octaves. Patent vals match through the 73-limit, with the exception of 13. | |||
|- | |||
| | [[65ed5]] | |||
| | [[28edo]] | |||
| | 65ed5 is 28edo with ~0.26 cent stretched octaves. | |||
|- | |||
| | [[72ed5]] | |||
| | [[31edo]] | |||
| | 72ed5 is 31edo with ~0.34 cent compressed octaves. | |||
|- | |||
| | [[79ed5]] | |||
| | [[34edo]] | |||
| | 79ed5 is 34edo with ~0.83 cent compressed octaves. | |||
|- | |||
| | [[81ed5]] | |||
| | [[35edo]] | |||
| | | |||
|- | |||
| | [[86ed5]] | |||
| | [[37edo]] | |||
| | | |||
|- | |||
| | [[88ed5]] | |||
| | [[38edo]] | |||
| | | |||
|- | |||
| | [[93ed5]] | |||
| | [[40edo]] | |||
| | | |||
|- | |||
| | [[95ed5]] | |||
| | [[41edo]] | |||
| | | |||
|- | |||
| | [[100ed5]] | |||
| | [[43edo]] | |||
| | | |||
|- | |||
| | [[102ed5]] | |||
| | [[44edo]] | |||
| | | |||
|- | |||
| | [[107ed5]] | |||
| | [[46edo]] | |||
| | | |||
|- | |||
| | [[109ed5]] | |||
| | [[47edo]] | |||
| | | |||
|- | |||
| | [[114ed5]] | |||
| | [[49edo]] | |||
| | | |||
|- | |||
| | [[116ed5]] | |||
| | [[50edo]] | |||
| | | |||
|- | |||
| | [[121ed5]] | |||
| | [[52edo]] | |||
| | | |||
|- | |||
| | [[123ed5]] | |||
| | [[53edo]] | |||
| | | |||
|- | |||
| | [[128ed5]] | |||
| | [[55edo]] | |||
| | | |||
|- | |||
| | [[130ed5]] | |||
| | [[56edo]] | |||
| | | |||
|- | |||
| | [[137ed5]] | |||
| | [[59edo]] | |||
| | | |||
|- | |||
| | [[144ed5]] | |||
| | [[62edo]] | |||
| | | |||
|- | |||
| | [[146ed5]] | |||
| | [[63edo]] | |||
| | | |||
|- | |||
| | [[151ed5]] | |||
| | [[65edo]] | |||
| | | |||
|- | |||
| | [[153ed5]] | |||
| | [[66edo]] | |||
| | | |||
|- | |||
| | [[158ed5]] | |||
| | [[68edo]] | |||
| | | |||
|- | |||
| | [[160ed5]] | |||
| | [[69edo]] | |||
| | | |||
|- | |||
| | [[165ed5]] | |||
| | [[71edo]] | |||
| | | |||
|- | |||
| | [[167ed5]] | |||
| | [[72edo]] | |||
| | | |||
|- | |||
| | [[172ed5]] | |||
| | [[74edo]] | |||
| | | |||
|- | |||
| | [[174ed5]] | |||
| | [[75edo]] | |||
| | | |||
|- | |||
| | [[179ed5]] | |||
| | [[77edo]] | |||
| | | |||
|- | |||
| | [[181ed5]] | |||
| | [[78edo]] | |||
| | | |||
|- | |||
| | [[186ed5]] | |||
| | [[80edo]] | |||
| | | |||
|- | |||
| | [[188ed5]] | |||
| | [[81edo]] | |||
| | | |||
|- | |||
| | [[193ed5]] | |||
| | [[83edo]] | |||
| | | |||
|- | |||
| | [[195ed5]] | |||
| | [[84edo]] | |||
| | | |||
|- | |||
| | [[202ed5]] | |||
| | [[87edo]] | |||
| | | |||
|- | |||
| | [[209ed5]] | |||
| | [[90edo]] | |||
| | | |||
|- | |||
| | [[211ed5]] | |||
| | [[91edo]] | |||
| | | |||
|- | |||
| | [[216ed5]] | |||
| | [[93edo]] | |||
| | | |||
|- | |||
| | [[218ed5]] | |||
| | [[94edo]] | |||
| | | |||
|- | |||
| | [[223ed5]] | |||
| | [[96edo]] | |||
| | | |||
|- | |||
| | [[225ed5]] | |||
| | [[97edo]] | |||
| | | |||
|- | |||
| | [[230ed5]] | |||
| | [[99edo]] | |||
| | | |||
|} | |||
==See also== | ==See also== | ||