Porcupine notation: Difference between revisions
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[[ | [[Mike Battaglia]] posted the following description of a [[Porcupine]] notation to the Xenharmonic Alliance Facebook Group: | ||
== ''This is Paul's (and Herman's?) porcupine naming system which names the notes like this:'' == | |||
''A B C D E F G H A'' | ''A B C D E F G H A'' | ||
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This is the rank-2 notation, for a generator of indeterminate cents. The edo notation uses ups and downs to represent one EDO-step. If an edo tempers out porcupine, it must be sharp-3, sharp-6, sharp-9, etc. (See the scale tree on the [[EDO|EDOs]] page.) The notation is identical for sharp-3 edos (15, 22, 29, etc.). For sharp-6 edos (e.g. 30 or 72), simply double all ups and downs. The generator is vvM2. The genchain is P1 - vvM2 - ^^m3 - P4 - vv5... or C - vvD - ^^Eb - F - vvG... Sharp-9 edos are rarely used, but the generator would be v<span style="font-size: 14.4px; vertical-align: super;">3</span>M2. | This is the rank-2 notation, for a generator of indeterminate cents. The edo notation uses ups and downs to represent one EDO-step. If an edo tempers out porcupine, it must be sharp-3, sharp-6, sharp-9, etc. (See the scale tree on the [[EDO|EDOs]] page.) The notation is identical for sharp-3 edos (15, 22, 29, etc.). For sharp-6 edos (e.g. 30 or 72), simply double all ups and downs. The generator is vvM2. The genchain is P1 - vvM2 - ^^m3 - P4 - vv5... or C - vvD - ^^Eb - F - vvG... Sharp-9 edos are rarely used, but the generator would be v<span style="font-size: 14.4px; vertical-align: super;">3</span>M2. | ||
{{Navbox notation}} | |||
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[[Category:Porcupine]] | [[Category:Porcupine]] | ||
[[Category:Notation]] | [[Category:Notation]] | ||