Mistuning

Alpha chord as mistuned major chord  Play (help·info).

In music mistuning is most generally the action of incorrectly tuning or the state of being out of tune. Mistuning is also the displacement of a pitch a semitone away from its standard position in a stable tonal structure such as the most common perfect fourth or fifth, which mistuned in the opposite directions produce a tritone. A portion of the alpha chord:E-G-C-E♭, may be considered an E major chord: E-G♯-B-E, whose members are mistuned. (Wilson 1992, p.9) See alteration and chord substitution.

In mechanics mistuning is a lack of symmetry present in a real object that ideally is perfectly symmetric. This phenomenon is studied for example in the turbine disks; it can cause an increase of the forced response that can bring to unexpected failures due to fatigue. Mistuning is caused by manufacturer tolerances, non homogeneity of the material, the usage, etc., and so it is unavoidable. It has been observed that the amount of increase in the forced response of mistuned turbine disks strongly depends on the physical characteristics of the disk itself: actual efforts to limit the negative effects of this phenomenon into turbine disks are to understand how to design a disk that is not much influenced by mistuning in the working rotational speed.

Source

• Kárpáti, János (1975). Bartók's String Quartets. Translated by Fred MacNicol. Budapest: Corvina Press. Cited in Wilson (1992).
• Wilson, Paul (1992). The Music of Béla Bartók. ISBN 0-300-05111-5.

This music theory article is a stub. You can help Wikipedia by expanding it.v · Categories: Chromaticism Music theory stubs Wikimedia Foundation. 2010. Игры ⚽ Нужно решить контрольную? Melur Kasdan Look at other dictionaries: mistuning — išderinimas statusas T sritis fizika atitikmenys: angl. detuning; misalignment; mistuning vok. Fehlanpassung, f; Verstimmung, f rus. рассогласование, n; расстройка, f pranc. désaccord, m …   Fizikos terminų žodynas mistuning — noun An incorrect tuning …   Wiktionary mistuning — v. tune improperly, tune wrong n. bad adjustment …   English contemporary dictionary tuning and temperament — In music, the adjustment of one sound source, such as a voice or string, to produce a desired pitch in relation to a given pitch, and the modification of that tuning to lessen dissonance. Tuning assures a good sound for a given pair of tones;… …   Universalium Equal temperament — is a musical temperament, or a system of tuning in which every pair of adjacent notes has an identical frequency ratio. In equal temperament tunings an interval mdash; usually the octave mdash; is divided into a series of equal steps (equal… …   Wikipedia Italian musical terms used in English — For a general, non language specific list of terms, see Musical terminology. A great many musical terms are in Italian. This is because many of the most important early composers in the renaissance period were Italian, and that period is when… …   Wikipedia Scordatura — A scordatura (literally Italian for mistuning ), also called cross tuning, is an alternative tuning used for the open strings of a string instrument. In the Western classical music tradition it is an extended technique to allow the playing of… …   Wikipedia Intonation (music) — Intonation, in music, is a musician s realization of pitch accuracy, or the pitch accuracy of a musical instrument.tringsWith fretless string instruments such as violins, intonation depends on the musician pressing with their fingers at the exact …   Wikipedia Optical bistability — In optics, optical bistability is an attribute of certain optical devices where two resonant transmissions states are possible and stable, dependent on the input. Optical devices with a feedback mechanism, e.g. a laser, provide two methods of… …   Wikipedia 34 equal temperament — In musical theory, 34 equal temperament, also referred to as 34 tet, 34 edo or 34 et, is the tempered tuning derived by dividing the octave into 34 equal sized steps. Each step represents a frequency ratio of 21/34, or 35.29 cents.Unlike… …   Wikipedia 18+ © Academic, 2000-2024 Contact us: Technical Support, Advertising Dictionaries export, created on PHP, Joomla, Drupal, WordPress, MODx. Mark and share Search through all dictionaries Translate… Search Internet Share the article and excerpts Direct link … Do a right-click on the link above and select “Copy Link”