729/490: Difference between revisions
Copied some more info from 729/490 |
m Fixed typo, categories |
||
| Line 5: | Line 5: | ||
| Name = sensamagic fifth | | Name = sensamagic fifth | ||
| Color name = rrg4, rurugu 4th | | Color name = rrg4, rurugu 4th | ||
| FJS name = A4<sub>5, 49</sub> | | FJS name = A4<sub>5,49</sub> | ||
| Sound = | | Sound = | ||
}} | }} | ||
| Line 11: | Line 11: | ||
'''729/490''', the '''sensamagic fifth''' is a [[7-limit]] ratio of about 687 cents, flat of a just fifth [[3/2]] by a sensamagic comma [[245/243]]. | '''729/490''', the '''sensamagic fifth''' is a [[7-limit]] ratio of about 687 cents, flat of a just fifth [[3/2]] by a sensamagic comma [[245/243]]. | ||
It arises in just intonation as the difference between the | It arises in just intonation as the difference between the semidiminished fourth [[35/27]] and the supermajor seventh [[27/14]], making it a critical tempering target in the [[Canovian chord]]. However, its distinction from 3/2 is emphasised in the [[canou family]] of temperaments, through its accessibility by two steps of the [[81/70]]-generator. | ||
== See also == | == See also == | ||
| Line 19: | Line 19: | ||
[[Category:7-limit]] | [[Category:7-limit]] | ||
[[Category:Fifth]] | [[Category:Fifth]] | ||
[[Category:Augmented fourth]] | [[Category:Augmented fourth]] | ||
[[Category:Sensamagic]] | [[Category:Sensamagic]] | ||
[[Category:Canou]] | [[Category:Canou]] | ||