Stein–Zimmermann–Gould notation: Difference between revisions

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Clarify Gould arrows' appearance. Update a link
 
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== Symbol set ==
== Symbol set ==
The symbol set comprises standard accidentals (sharps, flats, and naturals), Stein–Zimmermann quartertone accidentals (semisharps and semiflats) and Gould arrows. When Gould arrows are not available, one may borrow the similar-looking [[Helmholtz–Ellis notation|Helmholtz–Ellis just intonation accidentals]] for prime 5.
The symbol set comprises standard accidentals (sharps, flats, and naturals), Stein–Zimmermann quartertone accidentals (semisharps and semiflats) and Gould arrows. When Gould arrows are not available, one may borrow the similar-looking [[Helmholtz–Ellis notation|Helmholtz–Ellis just intonation accidentals]] for prime 5. Gould arrows may be attached or detached.


The standard accidentals modify the note by multiples of a chromatic semitone (Pythagorean apotome, [[2187/2048]]).
The standard accidentals modify the note by multiples of a chromatic semitone (Pythagorean apotome, [[2187/2048]]).  


The Stein–Zimmermann quartertone accidentals modify the note by half a chromatic semitone. They apply to edos of even sharpness values only.   
The Stein–Zimmermann quartertone accidentals modify the note by half a chromatic semitone. They apply to edos of even sharpness values only.   
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Provided with more stacks of arrows, or the ability to attach arrows to demi- and sesqui-sharps and flats, edos of higher sharpness value can be notated in the same method as above.
Provided with more stacks of arrows, or the ability to attach arrows to demi- and sesqui-sharps and flats, edos of higher sharpness value can be notated in the same method as above.


{{W|SMuFL}} currently supplies [https://w3c.github.io/smufl/latest/tables/extended-stein-zimmermann-accidentals.html extended Stein-Zimmermann accidentals (U+E290–U+E29F)], which contains demi- and sesqui-sharps and flats with a single arrow.  
{{W|SMuFL}} currently supplies [https://smufl.formats.music/latest/tables/extended-stein-zimmermann-accidentals.html extended Stein-Zimmermann accidentals (U+E290–U+E29F)], which contains demi- and sesqui-sharps and flats with a single arrow.  


Here is an example of a notation scheme for sharp-10 edos.  
Here is an example of a notation scheme for sharp-10 edos.