41edo: Difference between revisions
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{| class="wikitable center-1 right-2 center-5 center-6 center-8 center-9" | {| class="wikitable center-1 right-2 center-5 center-6 center-8 center-9" | ||
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<nowiki>* | <nowiki/>* Based on treating 41edo as a 2.3.5.7.11.13.19 subgroup temperament; other approaches are possible. | ||
=== Interval quality and chord names in color notation === | === Interval quality and chord names in color notation === | ||
Combining ups and downs notation with [[color notation]], qualities can be loosely associated with colors: | Combining ups and downs notation with [[color notation]], qualities can be loosely associated with colors: | ||
{| class="wikitable" style="text-align:center" | {| class="wikitable" style="text-align: center;" | ||
|- | |||
! Quality | ! Quality | ||
! [[Color notation|Color]] | ! [[Color notation|Color]] | ||
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All 41edo chords can be named using ups and downs. An up, down or mid immediately after the chord root affects the 3rd, 6th, 7th, and/or the 11th (every other note of a stacked-3rds chord 6-1-3-5-7-9-11-13). Alterations are always enclosed in parentheses, additions never are. Here are the zo, gu, ilo, yo and ru triads: | All 41edo chords can be named using ups and downs. An up, down or mid immediately after the chord root affects the 3rd, 6th, 7th, and/or the 11th (every other note of a stacked-3rds chord 6-1-3-5-7-9-11-13). Alterations are always enclosed in parentheses, additions never are. Here are the zo, gu, ilo, yo and ru triads: | ||
{| class="wikitable" style="text-align:center" | {| class="wikitable" style="text-align: center;" | ||
|- | |||
! [[Color notation|Color of the 3rd]] | ! [[Color notation|Color of the 3rd]] | ||
! JI Chord | ! JI Chord | ||
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== Regular temperament properties == | == Regular temperament properties == | ||
{| class="wikitable center-4 center-5 center-6" | {| class="wikitable center-4 center-5 center-6" | ||
|- | |||
! rowspan="2" | [[Subgroup]] | ! rowspan="2" | [[Subgroup]] | ||
! rowspan="2" | [[Comma list]] | ! rowspan="2" | [[Comma list]] | ||
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{| class="commatable wikitable center-1 center-2 right-3 center-6" | {| class="commatable wikitable center-1 center-2 right-3 center-6" | ||
|- | |||
! [[Harmonic limit|Prime<br>limit]] | ! [[Harmonic limit|Prime<br>limit]] | ||
! [[Ratio]]<ref>Ratios with more than 8 digits are presented by placeholders with informative hints</ref> | ! [[Ratio]]<ref>Ratios with more than 8 digits are presented by placeholders with informative hints</ref> | ||
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== Scales and modes == | == Scales and modes == | ||
=== Lists of 41edo scales === | === Lists of 41edo scales === | ||
* [[41edo modes]] | * [[41edo modes]] | ||
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=== Harmonic scale === | === Harmonic scale === | ||
41edo is the first edo to do some justice to Mode 8 of the [[harmonic series]], which Dante Rosati calls the "[[overtone scale|Diatonic Harmonic Series Scale]]," consisting of overtones 8 through 16 (sometimes made to repeat at the octave). | 41edo is the first edo to do some justice to Mode 8 of the [[harmonic series]], which Dante Rosati calls the "[[overtone scale|Diatonic Harmonic Series Scale]]," consisting of overtones 8 through 16 (sometimes made to repeat at the octave). | ||
{| class="wikitable" style="text-align:center" | {| class="wikitable" style="text-align: center;" | ||
|- | |||
| Overtones in "Mode 8": | | Overtones in "Mode 8": | ||
| 8 | | 8 | ||
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=== Nonoctave temperaments === | === Nonoctave temperaments === | ||
Taking every third degree of 41edo produces a scale extremely close to [[88cET]] or 88-cent equal temperament (or the 8th root of 3:2). Likewise, taking every fifth degree produces a scale very close to the equal-tempered <span style="">[[BP|Bohlen-Pierce]]</span>[[BP| Scale]] (or the 13th root of 3). See [[Relationship between Bohlen-Pierce and octave-ful temperaments]], and see this chart: | Taking every third degree of 41edo produces a scale extremely close to [[88cET]] or 88-cent equal temperament (or the 8th root of 3:2). Likewise, taking every fifth degree produces a scale very close to the equal-tempered <span style="">[[BP|Bohlen-Pierce]]</span>[[BP| Scale]] (or the 13th root of 3). See [[Relationship between Bohlen-Pierce and octave-ful temperaments]], and see this chart: | ||
{| class="wikitable center-all right-3 right-4 right-5 mw-collapsible mw-collapsed" | {| class="wikitable center-all right-3 right-4 right-5 mw-collapsible mw-collapsed" | ||
|- | |||
! colspan="3" | 3 degrees of 41edo near 88cET | ! colspan="3" | 3 degrees of 41edo near 88cET | ||
! overlap | ! overlap | ||