Xenharmonic Wiki:Conventions: Difference between revisions

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== Logarithmic interval measures ==
== Logarithmic interval measures ==
For normal tables, we decided to stick to [[cent]] values with a fixed precision, mostly 2 or 3 in the fractional part. 3 is helpful when serving as a canonical reference point for people to compare their own calculations with. Its main purpose is to give an idea of interval sizes and relation to known intervals in the [[12edo]] system of western music. Alternative [[interval size measure]]s are acceptable if they better reflect the idea behind an interval system, scale etc. but "competing" columns with logarithmic sizes in the same table should usually be avoided.
Logarithmic interval measures should generally be given in [[cent]]s since it is the most standard unit for that purpose: it is more easily understood by musicians already familiar with [[12edo]] and by many software programs, such as the [[Scala]] file format. Alternative [[interval size measure]]s are acceptable if they better reflect the idea behind an interval system, scale, etc., but "competing" columns with logarithmic sizes in the same table should usually be avoided. Simple cases like [[degree]]s alongside cents in an interval chain are acceptable.
 
[[Cent]] values should be written up to 3 decimal places in most contexts where precision matters, such as [[Technical data guide for regular temperaments|temperament data pages]] and other technical tables. Very small intervals may be written up to 3 significant figures, and in scientific notation if needed. In contexts where high precision does not matter as much, it is generally sufficient to round to 1 decimal place or to the nearest cent.


== Links ==
== Links ==