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Porcupine intervals: Difference between revisions

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Made this page not plug one specific notation system
There's no accepted interval names for zarlino. Use ups and downs instead, which has real scores made in it. Formatting
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In [[15edo]], on the other hand, the intervals that are shown as about 40 cents apart are actually the same. For example, the augmented third (9/7), is now the same as a '''minor''' fourth (4/3) rather than a diminished one. That is because 28/27 is tempered out in 15edo.
In [[15edo]], on the other hand, the intervals that are shown as about 40 cents apart are actually the same. For example, the augmented third (9/7), is now the same as a '''minor''' fourth (4/3) rather than a diminished one. That is because 28/27 is tempered out in 15edo.


{| class="wikitable right-2 center-4"
{| class="wikitable right-3 center-5"
|-
|-
!Name (zarlino)
! Name (ups and downs)
! Name (heptatonic MOS)
! Name (1L 6s (onyx))
! Size*
! Size*
! Ratio
! Ratio
Line 14: Line 14:
! Comments
! Comments
|-
|-
!
! colspan="6" | Unisons
! colspan="4" | Unisons
!
|-
|-
|Perfect unison (P1)
| Perfect unison (P1)
| Perfect unison (P1)
| Perfect unison (P1)
| 0.0
| 0.0
Line 25: Line 23:
|  
|  
|-
|-
|Augmented unison (A1)
| Up unison (^1)
| Augmented unison (A1)
| Augmented unison (A1)
| 61.1
| 61.1
| 81/80~36/35~33/32~25/24
| 81/80~36/35~33/32~25/24
| -7
| -7
| [[Cluster temperament #porcupine(fish)|And other ratios, of course]]
| [[Cluster temperament #porcupine(fish)|Among other ratios]]
|-
|-
!
! colspan="6" | Seconds
! colspan="4" | Seconds
!
|-
|-
|Minor second (m2)
| Up minor second (^m2)
| Diminished second (d2)
| Diminished second (d2)
| 101.6
| 101.6
Line 43: Line 39:
|  
|  
|-
|-
|Neutral second (n2)
| Down major second (vM2)
| Perfect second (P2)
| Perfect second (P2)
| 162.7
| 162.7
| 12/11~11/10~10/9~35/32
| 12/11~11/10~10/9~35/32
| 1
| 1
| Rather than "minor 2nd"
|  
|-
|-
|Major second (M2)
| Major second (M2)
| Augmented second (A2)
| Augmented second (A2)
| 223.8
| 223.8
| 9/8~8/7
| 9/8~8/7
| -6
| -6
| Rather than "major 2nd"
|  
|-
|-
|Augmented second (A2)
| Up major second (^M2)
| Double-augmented second (AA2)
| Double-augmented second (AA2)
| 284.9
| 284.9
Line 64: Line 60:
| Also "subminor third"
| Also "subminor third"
|-
|-
!
! colspan="6" | Thirds
! colspan="4" | Thirds
!
|-
|-
|Wolf third (w3)
| Minor third (m3)
| Diminished third (d3)
| Diminished third (d3)
| 264.3
| 264.3
Line 75: Line 69:
| Also "supermajor second"
| Also "supermajor second"
|-
|-
|Minor third (m3)
| Up minor third (^m3)
| Minor third (m3)
| Minor third (m3)
| 325.4
| 325.4
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|  
|  
|-
|-
|Major third (M3)
| Down major third (vM3)
| Major third (M3)
| Major third (M3)
| 386.5
| 386.5
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|  
|  
|-
|-
|Augmented third (A3)
| Major third (M3)
| Augmented third (A3)
| Augmented third (A3)
| 447.6
| 447.6
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| Also "subminor fourth"
| Also "subminor fourth"
|-
|-
!
! colspan="6" | Fourths
! colspan="4" | Fourths
!
|-
|-
|Diminished fourth (d4)
| Down fourth (v4)
| Diminished fourth (d4)
| Diminished fourth (d4)
| 427.0
| 427.0
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| Also "supermajor third"
| Also "supermajor third"
|-
|-
|Perfect fourth (P4)
| Perfect fourth (P4)
| Minor fourth (m4)
| Minor fourth (m4)
| 488.1
| 488.1
| 4/3
| 4/3
| 3
| 3
| Rather than "perfect fourth"
|  
|-
|-
|Wolf fourth (w4)
| Up fourth (^4)
| Major fourth (M4)
| Major fourth (M4)
| 549.2
| 549.2
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|  
|  
|-
|-
|Augmented fourth (A4)
| Down augmented fourth (vA4)
| Augmented fourth (A4)
| Augmented fourth (A4)
| 610.3
| 610.3
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| Also "subminor fifth"
| Also "subminor fifth"
|-
|-
!
! colspan="6" | Fifths
! colspan="4" | Fifths
!
|-
|-
|Diminished fifth (d5)
| Up diminished fifth (^d5)
| Diminished fifth (d5)
| Diminished fifth (d5)
| 589.7
| 589.7
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| Also "supermajor fourth"
| Also "supermajor fourth"
|-
|-
|Wolf fifth (w5)
| Down fifth (v5)
| Minor fifth (m5)
| Minor fifth (m5)
| 650.8
| 650.8
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|  
|  
|-
|-
|Perfect fifth (P5)
| Perfect fifth (P5)
| Major fifth (M5)
| Major fifth (M5)
| 711.9
| 711.9
| 3/2
| 3/2
| -3
| -3
| Rather than "perfect fifth"
|  
|-
|-
|Augmented fifth (A5)
| Up fifth (^5)
| Augmented fifth (A5)
| Augmented fifth (A5)
| 773.0
| 773.0
Line 160: Line 150:
| Also "subminor sixth"
| Also "subminor sixth"
|-
|-
!
! colspan="6" | Sixths
! colspan="4" | Sixths
!
|-
|-
|Diminished sixth (d6)
| Minor sixth (m6)
| Diminished sixth (d6)
| Diminished sixth (d6)
| 752.4
| 752.4
Line 171: Line 159:
| Also "supermajor fifth"
| Also "supermajor fifth"
|-
|-
|Minor sixth (m6)
| Up minor sixth (^m6)
| Minor sixth (m6)
| Minor sixth (m6)
| 813.5
| 813.5
Line 178: Line 166:
|  
|  
|-
|-
|Major sixth (M6)
| Down major sixth (vM6)
| Major sixth (M6)
| Major sixth (M6)
| 874.6
| 874.6
Line 185: Line 173:
|  
|  
|-
|-
|Wolf sixth (W6)
| Major sixth (M6)
| Augmented sixth (A6)
| Augmented sixth (A6)
| 935.7
| 935.7
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| Also "subminor seventh"
| Also "subminor seventh"
|-
|-
!
! colspan="6" | Sevenths
! colspan="4" | Sevenths
!
|-
|-
|Diminished seventh (d7)
| Down minor seventh (vm7)
| Double-diminished seventh (dd7)
| Double-diminished seventh (dd7)
| 915.1
| 915.1
Line 203: Line 189:
| Also "supermajor sixth"
| Also "supermajor sixth"
|-
|-
|Minor seventh (m7)
| Minor seventh (m7)
| Diminished seventh (d7)
| Diminished seventh (d7)
| 976.2
| 976.2
| 7/4~16/9
| 7/4~16/9
| 6
| 6
| Rather than "minor 7th"
|  
|-
|-
|Neutral seventh (n7)
| Up minor seventh (^m7)
| Perfect seventh (P7)
| Perfect seventh (P7)
| 1037.3
| 1037.3
| 9/5~11/6
| 9/5~11/6
|  -1
|  -1
| Rather than "major 7th"
|  
|-
|-
|Major seventh (M7)
| Down major seventh (vM7)
| Augmented seventh (A7)
| Augmented seventh (A7)
| 1098.4
| 1098.4
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|  
|  
|-
|-
!
! colspan="6" | Octaves
! colspan="4" | Octaves
!
|-
|-
|Diminished octave (d8)
| Down octave (v8)
| Diminished octave (d8)
| Diminished octave (d8)
| 1138.9
| 1138.9
Line 235: Line 219:
|  
|  
|-
|-
|Perfect octave (P8)
| Perfect octave (P8)
| Perfect octave (P8)
| Perfect octave (P8)
| 1200.0
| 1200.0
Line 242: Line 226:
|  
|  
|-
|-
|Augmented octave (A8)
| Up octave (^8)
| Augmented octave (A8)
| Augmented octave (A8)
| 1261.1
| 1261.1
Retrieved from "https://en.xen.wiki/w/Porcupine_intervals"