Ptolemi-nicema: Difference between revisions
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'''Ptolemismic nicema''' is an unnoticeable 11-limit comma which marks the difference between 69 intervals of [[100/99]] and the octave. For EDOs N up to ~20000, it is tempered if and only if 69 divides N. | '''Ptolemismic nicema''' is an unnoticeable [[11-limit]] comma which marks the difference between 69 intervals of [[100/99]] and the octave. For EDOs N up to ~20000, it is tempered if and only if 69 divides N. | ||
Tempering it out means that [[11/10]] and [[10/9]] are set exactly 1/69th of the octave apart. | |||
== Temperaments == | |||
By tempering it out, rank-4 '''ptolemismic nice''' temperament is defined. | |||
Revision as of 19:02, 9 January 2023
| Interval information |
Ptolemismic nicema is an unnoticeable 11-limit comma which marks the difference between 69 intervals of 100/99 and the octave. For EDOs N up to ~20000, it is tempered if and only if 69 divides N.
Tempering it out means that 11/10 and 10/9 are set exactly 1/69th of the octave apart.
Temperaments
By tempering it out, rank-4 ptolemismic nice temperament is defined.