1216/1215: Difference between revisions
+source of one of the names |
m Notes -> references |
||
| (9 intermediate revisions by 4 users not shown) | |||
| Line 28: | Line 28: | ||
== Temperaments == | == Temperaments == | ||
Tempering out this comma defines '''eratosthenes temperament''', which enables [[eratosthenes chords]]. Edos supporting this temperament includes {{Optimal ET sequence| 12, 29, 41, 53, 65, 77, 87, 94, 99, 106, 111, 118, 130, 140, 152, 159, 183, 193, 205, 217, 270, 282, 311, 323, 364, 400, 422, 581, and 692 }}. | |||
== Etymology == | == Etymology == | ||
This comma was named after {{w|Eratosthenes}}, the Ancient Greek polymath. According to an analysis by [[Joseph Monzo]], Eratosthenes made use of this comma by employing "standard" [[3-limit]] pitches in his diatonic genus, but substituting 19-limit ratios which are very close by in pitch in his chromatic and enharmonic genera.<ref>[https://yahootuninggroupsultimatebackup.github.io/tuning/topicId_26618.html Yahoo! Tuning Group | ''ratios in ancient Greek tetrachords (was: Byzantine and Serb Church Music)'']</ref> | This comma was named after {{w|Eratosthenes}}, the Ancient Greek polymath. According to an analysis by [[Joseph Monzo]], Eratosthenes made use of this comma by employing "standard" [[3-limit]] pitches in his diatonic [[genus]], but substituting 19-limit ratios which are very close by in pitch in his chromatic and enharmonic genera.<ref>[https://yahootuninggroupsultimatebackup.github.io/tuning/topicId_26618.html Yahoo! Tuning Group | ''ratios in ancient Greek tetrachords (was: Byzantine and Serb Church Music)'']</ref> | ||
The etymology for "password" is unknown, but it can be noted that it was at one point logged as ''password comma''. | |||
== See also == | == See also == | ||
* [[List of superparticular intervals]] | * [[List of superparticular intervals]] | ||
== | == References == | ||
[[Category:Eratosthenes]] | [[Category:Eratosthenes]] | ||
[[Category:Commas named after polymaths]] | |||
[[Category:Commas with unknown etymology]] | |||