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"
|-
! #
! #
! Cents
! Cents
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| Do
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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.  
<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