User:Zhenlige/Chromatic notation: Difference between revisions

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! colspan="2" | Approximate ratios
! colspan="2" | Approximate ratios
|-
|-
! Degree !! Degree name<br>from [[12edo]] !! Quality
! Degree !! Degree name<br>from [[12edo]] diatonic !! Quality
! L !! s
! L !! s
! [[schismatic]] !! additional<br>in [[garibaldi]]
! [[schismatic]] !! additional<br>in [[garibaldi]]
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|-
|-
| rowspan="2" | Semitone<br>Sem / 1-sem
| rowspan="2" | Semitone<br>Sem / 1-sem
| rowspan="2" | Minor 2nd
| rowspan="2" | Minor second
|Narrow|| n1s / nm2 || 0 || 1 || 2 || '''m2''' || [[135/128]], [[256/243]] || [[21/20]]
|Narrow|| n1s / nm2 || 0 || 1 || 2 || '''m2''' || [[135/128]], [[256/243]] || [[21/20]]
|-
|-
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|-
|-
| rowspan="2" | Tone / 1-tone<br>2-sem
| rowspan="2" | Tone / 1-tone<br>2-sem
| rowspan="2" | Major 2nd
| rowspan="2" | Major second
|Narrow|| n2s / nM2 || 0 || 2 || 4 || d3 || [[10/9]] ||
|Narrow|| n2s / nM2 || 0 || 2 || 4 || d3 || [[10/9]] ||
|-
|-
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|-
|-
| rowspan="2" | 3-sem
| rowspan="2" | 3-sem
| rowspan="2" | Minor 3rd
| rowspan="2" | Minor third
|Narrow|| n3s / nm3 || 1 || 2 || 7 || '''m3''' || [[32/27]] ||
|Narrow|| n3s / nm3 || 1 || 2 || 7 || '''m3''' || [[32/27]] ||
|-
|-
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|-
|-
| rowspan="2" | Ditone / 2-tone<br>4-sem
| rowspan="2" | Ditone / 2-tone<br>4-sem
| rowspan="2" | Major 3rd
| rowspan="2" | Major third
|Narrow|| n4s / nM3 || 1 || 3 || 9 || d4 || [[5/4]] || [[56/45]]
|Narrow|| n4s / nM3 || 1 || 3 || 9 || d4 || [[5/4]] || [[56/45]]
|-
|-
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|-
|-
| rowspan="2" | Tetratone / 4-tone<br>8-sem
| rowspan="2" | Tetratone / 4-tone<br>8-sem
| rowspan="2" | Minor 6th
| rowspan="2" | Minor sixth
|Narrow|| n8s / nm6 || 3 || 5 || 19 || '''m6''' || [[128/81]] || [[63/40]], [[100/63]]
|Narrow|| n8s / nm6 || 3 || 5 || 19 || '''m6''' || [[128/81]] || [[63/40]], [[100/63]]
|-
|-
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|-
|-
| rowspan="2" | 9-sem
| rowspan="2" | 9-sem
| rowspan="2" | Major 6th
| rowspan="2" | Major sixth
|Narrow|| n9s / nM6 || 3 || 6 || 21 || d7 || [[5/3]] ||
|Narrow|| n9s / nM6 || 3 || 6 || 21 || d7 || [[5/3]] ||
|-
|-
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|-
|-
| rowspan="2" | Pentatone / 5-tone<br>10-sem
| rowspan="2" | Pentatone / 5-tone<br>10-sem
| rowspan="2" | Minor 7th
| rowspan="2" | Minor seventh
|Narrow|| n10s / nm7 || 4 || 6 || 24 || '''m7''' || [[16/9]] ||
|Narrow|| n10s / nm7 || 4 || 6 || 24 || '''m7''' || [[16/9]] ||
|-
|-
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|-
|-
| rowspan="2" | 11-sem
| rowspan="2" | 11-sem
| rowspan="2" | Major 7th
| rowspan="2" | Major seventh
|Narrow|| n11s / nM7 || 4 || 7 || 26 || d8 || [[15/8]] || [[28/15]]
|Narrow|| n11s / nM7 || 4 || 7 || 26 || d8 || [[15/8]] || [[28/15]]
|-
|-
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|}
|}


The 12edo diatonic interval names along the chain of fifths is P1-P5-WM2-WM6-WM3-WM7-WT-Wm2-Wm6-Wm3-Wm7-S4-S1-S5-SM2-… with the quality goes as perfect - wide major - wide minor - super perfect - super major - super minor - double super perfect….
The 12edo diatonic based interval names along the chain of fifths is P1-P5-WM2-WM6-WM3-WM7-WT-Wm2-Wm6-Wm3-Wm7-S4-S1-S5-SM2-… with the quality goes as perfect - wide major - wide minor - super - super major - super minor - double super .


== Note names ==
== Note names ==
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| '''ε''' || E♭
| '''ε''' || E♭
|-
|-
| ↑ε || D♯
| || D♯
|-
|-
| '''E''' || '''E'''
| '''E''' || '''E'''
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| '''γ''' || G♭
| '''γ''' || G♭
|-
|-
| ↑γ || F♯
| || F♯
|-
|-
| '''G''' || '''G'''
| '''G''' || '''G'''
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| '''α''' || A♭
| '''α''' || A♭
|-
|-
| ↑α || G♯
| || G♯
|-
|-
| '''A''' || '''A'''
| '''A''' || '''A'''
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| '''β''' || B♭
| '''β''' || B♭
|-
|-
| ↑β || A♯
| || A♯
|-
|-
| '''B''' || '''B'''
| '''B''' || '''B'''
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| '''δ''' || D♭
| '''δ''' || D♭
|-
|-
| ↑δ || C♯
| || C♯
|-
|-
| '''D''' || '''D'''
| '''D''' || '''D'''
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== Applications ==
== Applications ==
The chromatic notation is useful for notating temperaments which require many fifths to get some primes, making diatonic notation very unintuitive. 12edo diatonic names are used in the table below.
The chromatic notation is useful for notating temperaments that require many fifths to get some primes, making diatonic notation very unintuitive, or that have interdiatonic degrees such as the half octave.


{| class="wikitable"
{| class="wikitable"
|+
|+ Interval mappings in some temperaments<br>(12edo diatonic based names)
! Interval !! [[Ponta]] !! [[Cassandra]] !! [[Leapday]]
! Interval !! [[Ponta]] !! [[Cassandra]] !! [[Leapday]] !! [[Diaschismic]]
|-
|-
| [[5/4]] || nM3 || nM3 || Sm3
| [[5/4]] || nM3 || nM3 || Sm3 || ~M3
|-
|-
| [[7/4]] || 3SM6 || sm7 || SM6
| [[7/4]] || 3SM6 || sm7 || SM6 || 1/2-sm7
|-
|-
| [[11/8]] || 7s5 || 2S4 || S4
| [[11/8]] || 7s5 || 2S4 || S4 || 1/2-sT
|-
|-
| [[13/8]] || || Sm6 || Wm6
| [[13/8]] || || Sm6 || Wm6 || 1/2-sM6
|-
| [[17/16]] || || || 2S1 || ~m2
|}
 
{| class="wikitable"
|+ Interval mappings in some temperaments<br>(n-sem names)
! Interval !! [[Ponta]] !! [[Cassandra]] !! [[Leapday]] !! [[Diaschismic]]
|-
| [[5/4]] || n4s || n4s || S3s || ~4s
|-
| [[7/4]] || 3S9s || s10s || S9s || 1/2-s10s
|-
| [[11/8]] || 7s7s || 2S5s || S5s || 1/2-s6s
|-
| [[13/8]] || || S8s || W8s || 1/2-s9s
|-
| [[17/16]] || || || 2S0s || ~1s
|}
|}