Hemififths: Difference between revisions

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Interval chain: added ups and downs notation
Line 11: Line 11:
! rowspan="2" | Cents*
! rowspan="2" | Cents*
! colspan="2" | Approximate Ratios
! colspan="2" | Approximate Ratios
! rowspan="2" |ups and downs
notation **
|-
|-
! 7-limit
! 7-limit
Line 19: Line 21:
| '''1/1'''
| '''1/1'''
|
|
|P1
|-
|-
| 1
| 1
Line 24: Line 27:
| 49/40, 60/49
| 49/40, 60/49
| 11/9, '''16/13''', 27/22, 39/32
| 11/9, '''16/13''', 27/22, 39/32
|~3 = ^m3 = vM3
|-
|-
| 2
| 2
Line 29: Line 33:
| '''3/2'''
| '''3/2'''
|
|
|P5
|-
|-
| 3
| 3
Line 34: Line 39:
| 90/49
| 90/49
| 11/6, 24/13
| 11/6, 24/13
|~7 = ^m7 = vM7
|-
|-
| 4
| 4
Line 39: Line 45:
| '''9/8'''
| '''9/8'''
|  
|  
|M2
|-
|-
| 5
| 5
Line 44: Line 51:
| 112/81
| 112/81
| '''11/8''', 18/13
| '''11/8''', 18/13
|~4 = ^4 = vA4
|-
|-
| 6
| 6
Line 49: Line 57:
| 27/16
| 27/16
| 22/13
| 22/13
|M6
|-
|-
| 7
| 7
Line 54: Line 63:
| 28/27
| 28/27
| 33/32, 27/26
| 33/32, 27/26
|^1 = \m2
|-
|-
| 8
| 8
Line 59: Line 69:
| 80/63, 81/64
| 80/63, 81/64
| 14/11, 33/26
| 14/11, 33/26
|M3
|-
|-
| 9
| 9
Line 64: Line 75:
| 14/9
| 14/9
|  
|  
|^5 = \m6
|-
|-
| 10
| 10
Line 69: Line 81:
| 40/21
| 40/21
| 21/11
| 21/11
|M7
|-
|-
| 11
| 11
Line 74: Line 87:
| 7/6
| 7/6
|  
|  
|^M2 = \m3
|-
|-
| 12
| 12
Line 79: Line 93:
| 10/7
| 10/7
|  
|  
|A4 = \~5
|-
|-
| 13
| 13
Line 84: Line 99:
| '''7/4'''
| '''7/4'''
|  
|  
|^M6 = \m7
|-
|-
| 14
| 14
Line 89: Line 105:
| 15/14
| 15/14
| 14/13
| 14/13
|A1 = \~2
|-
|-
| 15
| 15
Line 94: Line 111:
| '''21/16'''
| '''21/16'''
|  
|  
|^M3 = \4
|-
|-
| 16
| 16
Line 99: Line 117:
| 45/28
| 45/28
| 21/13
| 21/13
|A5 = \~6
|-
|-
| 17
| 17
Line 104: Line 123:
| 63/32, 160/81
| 63/32, 160/81
|
|
|^M7 = \8
|-
|-
| 18
| 18
Line 109: Line 129:
| 98/81, 135/112
| 98/81, 135/112
| 40/33
| 40/33
|A2 = \~3
|-
|-
| 19
| 19
Line 114: Line 135:
| 40/27
| 40/27
|  
|  
|^A4 = \5
|-
|-
| 20
| 20
Line 119: Line 141:
| 49/27
| 49/27
| 20/11
| 20/11
|A6 = \~7
|-
|-
| 21
| 21
Line 124: Line 147:
| 10/9
| 10/9
|  
|  
|^A1 = \M2
|-
|-
| 22
| 22
Line 129: Line 153:
| 49/36
| 49/36
| 15/11
| 15/11
|A3 = \~4
|-
|-
| 23
| 23
Line 134: Line 159:
| 5/3
| 5/3
|  
|  
|^A5 = \M6
|-
|-
| 24
| 24
Line 139: Line 165:
| 49/48, 50/49
| 49/48, 50/49
| 40/39, 45/44, 55/54, 65/64
| 40/39, 45/44, 55/54, 65/64
|A7 - P8 = -d2 = ^\1
|-
|-
| 25
| 25
Line 144: Line 171:
| '''5/4'''
| '''5/4'''
|  
|  
|^A2 = \M3
|-
|-
| 26
| 26
Line 149: Line 177:
| 49/32
| 49/32
| 20/13
| 20/13
|AA4 = ^\5
|-
|-
| 27
| 27
Line 154: Line 183:
| '''15/8'''
| '''15/8'''
|  
|  
|^A6 = \M7
|-
|-
| 28
| 28
Line 159: Line 189:
| 147/128
| 147/128
| 15/13
| 15/13
|AA1= ^\2
|-
|-
| 29
| 29
Line 164: Line 195:
| 45/32
| 45/32
|  
|  
|^A3 = \A4
|}
|}
<nowiki />* In 7-limit CTE tuning
<nowiki>*</nowiki> In 7-limit CTE tuning, generator = 351.445¢, P5 = 702.89¢, c = 2.89¢
 
<nowiki>**</nowiki> Enharmonic equivalences: vvA1 and v\m2. Cents: ^1 = 50¢ + 3.5c and /1 = 50¢ - 8.5c


== Notation ==
== Notation ==
Line 172: Line 206:
# The Pythagorean comma (+24 gensteps, inverse diminished second).  
# The Pythagorean comma (+24 gensteps, inverse diminished second).  


Below is tabulated how to notate the prime harmonics with an arrow representing a syntonic~septimal comma.  
Below is tabulated how to notate the prime harmonics with an arrow representing a syntonic~septimal comma (thus ^C = Ddb).  
{| class="wikitable center-1 center-3"
{| class="wikitable center-1 center-3"
|+ style="font-size: 105%;" | Hemififths nomenclature<br />for selected intervals
|+ style="font-size: 105%;" | Hemififths nomenclature<br />for selected intervals
Line 201: Line 235:
|}
|}


Below is tabulated how to notate the prime harmonics with an arrow representing a Pythagorean comma.  
Below is tabulated how to notate the prime harmonics with an arrow representing a Pythagorean comma (thus ^C = B#).  
{| class="wikitable center-1 center-3"
{| class="wikitable center-1 center-3"
|+ style="font-size: 105%;" | Hemififths nomenclature<br />for selected intervals
|+ style="font-size: 105%;" | Hemififths nomenclature<br />for selected intervals