Superfourth: Difference between revisions
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A '''superfourth''' is an [[interval]] too wide to sound like a [[perfect fourth]] and too narrow to sound like a [[tritone]]. [[Margo Schulter]], in her article [http://www.bestii.com/%7Emschulter/IntervalSpectrumRegions.txt Regions of the Interval Spectrum], proposes an approximate range for a superfourth to be from 528¢ to 560¢. Some of the simplest superfourths in [[ | A '''superfourth''' is an [[interval]] too wide to sound like a [[perfect fourth]] and too narrow to sound like a [[tritone]]. [[Margo Schulter]], in her article [http://www.bestii.com/%7Emschulter/IntervalSpectrumRegions.txt Regions of the Interval Spectrum], proposes an approximate range for a superfourth to be from 528¢ to 560¢. Some of the simplest superfourths in [[just intonation]] are [[11/8]] (about 551.3¢) and [[15/11]] (about 537¢), both undecimal (11-based) superfourths; and [[48/35]] (about 546.8¢) and [[49/36]] (about 533.7¢), both septimal (7-based) superfourths. | ||
The inversion of a superfourth is a [[subfifth]]. | The inversion of a superfourth is a [[subfifth]]. | ||
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Of course, this categorization should not be taken for granted. Since music is subjective and culturally influenced, the borders of what is a superfourth are "fuzzy". Other descriptions are possible and legitimate. | Of course, this categorization should not be taken for granted. Since music is subjective and culturally influenced, the borders of what is a superfourth are "fuzzy". Other descriptions are possible and legitimate. | ||
==Examples== | == Examples == | ||
Below is a list of some intervals in the superfourth range, both just and tempered. | Below is a list of some intervals in the superfourth range, both just and tempered. | ||
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== See also == | == See also == | ||
* [[43/31]] -- a tritone with a "superfourthish" taste | * [[43/31]] -- a tritone with a "superfourthish" taste | ||
* [[Interval category]] | * [[Interval category]] | ||
* [[Gallery of just intervals]] | * [[Gallery of just intervals]] | ||
* [[Subfifth]] | * [[Subfifth]] — the [[octave complement|octave-complement]] region | ||
[[Category:Superfourth]] | [[Category:Superfourth| ]] <!-- main article --> | ||