Neutral second: Difference between revisions
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| '''Neutral seconds''' are intervals with a size in between a whole tone and a semitone. They are one of the most distinctive-sounding yet versatile xenharmonic intervals, which makes them highly valuable.
| | #REDIRECT [[Second]] |
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| ==Function==
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| The large step of armotonic is always some sort of neutral second, which functions similar to both a whole tone and semitone.
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| A step of 13ed3 is a middle neutral second. It is notable for having an unusually good approximation of LCJI for a system generated by neutral seconds.
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| '''Porcupine neutral seconds''' are larger neutral seconds most commonly between 2\15 and 3\22 which, consistent with Porcupine temperament, split a sharp 6/5 in half and a flat 4/3 into thirds. This functionally makes them a very flat minor whole tone (T10/9), and are thus an easy way to make otherwise uninteresting progressions sound xenharmonic.
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| In larger edos, it's possible to have a similar tuning of intervals, but without Porcupine tempering. In the 100b val, the T10/9 is a slightly larger 168¢ in exchange for making the T81/80 48¢, a much more usable aberrisma than Porcupine typically offers.
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| ==Categorization==
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| Neutral seconds are generally considered to be between 1\9 and 1\7, being half of some sort of minor third. If semifourths are included, they can be as narrow as 1\10.
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| ===Ground's Neutral Second Categorization System===
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| This is going to need a huge table import.
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Latest revision as of 09:59, 6 March 2026
