A diesis is a comma type of musical interval, usually meaning the difference between an octave and three justly tuned major thirds, equal to 128:125 or about 41.06 cents. In 12-tone equal temperament (on a piano for example) three major thirds in a row equal an octave, but three justly-tuned major thirds fall quite a bit narrow of an octave, and the diesis describes the amount by which they are short. In quarter-comma meantone tuning, the diesis retains its value of 128:125.
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- Dagger (typography)
- the musical interval
- the use of diesis in typography
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- A diesis is a comma type of musical interval, usually meaning the difference between an octave and three justly tuned major thirds, equal to 128:125 or about 41.06 cents. In 12-tone equal temperament (on a piano for example) three major thirds in a row equal an octave, but three justly-tuned major thirds fall quite a bit narrow of an octave, and the diesis describes the amount by which they are short. In quarter-comma meantone tuning, the diesis retains its value of 128:125. In other meantone tunings the defect from an octave, whatever it is, from three major thirds is the diminished second, sometimes also called a diesis. It is then the interval involved between pairs of notes which are enharmonic in equal temperament; for instance the interval between E and F♭, however large that is, is a diesis. The word diesis has also been used to describe a large number of intervals, of varying sizes, but typically around 50 cents. Philolaus used it to describe the interval now usually called a limma, that of a justly tuned perfect fourth minus two whole tones, equal to 256:243, or around 90 cents. Other theorists have used it for various other intervals. Some acoustics texts use the term Great Diesis for the difference between two 5:4 major thirds down and eight 3:2 fifths up, which is equal to two syntonic commas or about 43 cents. Being larger, this comma was termed "great" while the 128:125 comma was termed "lesser". But this "great diesis" is almost completely theoretical and almost never evoked in actual music, while the 128:125 "lesser diesis" is easily evoked and of great importance in Western harmony. Thus over time the term Great Diesis came to be frequently used for the 128:125 "lesser" comma. In short the terms are used in contradictory ways by various theorists and musicians.
- Die Diësis (griechisch δίεσις ‚kleinstes Intervall‘, eigentlich ‚Durchgang‘, zu diiēmi διΐημι ‚durchgehen‘) ist ein kleines musikalisches Intervall. Sie tritt als Differenz von Intervallen in zwei Größen auf. Die Diësis muss in verschiedenen musikalischen Stimmungen (insbesondere der mitteltönigen Stimmung) beachtet werden.
- Diesis je malý hudební interval vyskytující se ve dvou variantách: malá diesis a velká diesis.
- Een diesis is een muziektheoretische term die oorspronkelijk afkomstig was uit de Griekse muziektheorie om bepaalde muzikale microtonale intervallen aan te duiden.
- Дие́са (греч. δίεσις — отделение, разделение) — один из наименьших музыкальных интервалов. Равен примерно четверти целого тона. Первое дошедшее до нас историческое свидетельство о диесе принадлежит Филолаю, который определяет её как остаток от вычитания трёх тонов из квинты или двух тонов из кварты; таким образом, в трактовке Филолая диеса — то же, что малый пифагорейский полутон, или лимма. Позже, начиная с Аристоксена, диеса определяется как микроинтервал, присущий энармоническому роду мелоса (две диесы в сумме равны полутону). Половину диесы Боэций (со ссылкой на Филолая) назвал диасхизмой. В позднем Средневековье и в эпоху Возрождения диеса описывалась как неотъемлемая часть одноголосной и многоголосной музыки, как интервал, придающий музыкальной интонации особую выразительность и изысканность. От диесы следует отличать (этимологически родственный) диез.
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- First an octave, C to C, is played (2:1). Then three major thirds (5:4): C, E, G, B. The 2:1 octave C and the 125:64 B are then compared. The difference, 128:125, is the diesis comma.
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- Diesis (128:125) demonstration
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- A diesis is a comma type of musical interval, usually meaning the difference between an octave and three justly tuned major thirds, equal to 128:125 or about 41.06 cents. In 12-tone equal temperament (on a piano for example) three major thirds in a row equal an octave, but three justly-tuned major thirds fall quite a bit narrow of an octave, and the diesis describes the amount by which they are short. In quarter-comma meantone tuning, the diesis retains its value of 128:125.
- Die Diësis (griechisch δίεσις ‚kleinstes Intervall‘, eigentlich ‚Durchgang‘, zu diiēmi διΐημι ‚durchgehen‘) ist ein kleines musikalisches Intervall. Sie tritt als Differenz von Intervallen in zwei Größen auf. Die Diësis muss in verschiedenen musikalischen Stimmungen (insbesondere der mitteltönigen Stimmung) beachtet werden.
- Diesis je malý hudební interval vyskytující se ve dvou variantách: malá diesis a velká diesis.
- Een diesis is een muziektheoretische term die oorspronkelijk afkomstig was uit de Griekse muziektheorie om bepaalde muzikale microtonale intervallen aan te duiden.
- Дие́са (греч. δίεσις — отделение, разделение) — один из наименьших музыкальных интервалов. Равен примерно четверти целого тона.
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- Diesis
- Diësis
- Diesis
- Diesis
- Диеса
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