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Jablonski diagram of FRET with typical timescales indicated. The black dashed line indicates a virtual photon.. Förster resonance energy transfer (FRET), fluorescence resonance energy transfer, resonance energy transfer (RET) or electronic energy transfer (EET) is a mechanism describing energy transfer between two light-sensitive molecules (chromophores). [1]
Musical symbols are marks and symbols in musical notation that indicate various aspects of how a piece of music is to be performed. There are symbols to communicate information about many musical elements, including pitch, duration, dynamics, or articulation of musical notes; tempo, metre, form (e.g., whether sections are repeated), and details about specific playing techniques (e.g., which ...
To compensate for the increase in string tension when the string is pressed against the frets, the bridge position is adjusted slightly so the 12th fret plays exactly in tune. Frets tied on to the neck of a saz; note microtonal frets between semitones. Many instruments' frets are not spaced according to the semitones of equal temperament.
The fret number, which shows the position of the node in terms of half tones (or frets on a fretted instrument) then is given by: F = log s m m − n {\displaystyle F=\log _{s}{\frac {m}{m-n}}} With s equal to the twelfth root of two , notated s because it's the first letter of the word "semitone".
Consequently, three hand-positions (of frets 1-4, 5-8, and 9-12) cover the 12-fret octave of each string. [7] In common with other classical stringed instruments, classical guitar playing and notation use formal positions of the left hand. The 'nth position' means that the hand is positioned with the first finger over the nth fret.
In fret dressing, a luthier levels and polishes the frets, and crowns (carefully rounds and shapes) the ends and edges. Stainless steel guitar frets may never need dressing, because of the density of the material. [2] Not having frets carefully and properly aligned with the fingerboard can cause severe intonation issues and constant detuning.
Same range as standard six-string. Allows over two full chromatic octaves without changing position, slides or bends. All fourths tuning – B'-E-A-d-g-c'-f' Expands the major third between the second and third strings, extending range a half step higher. Russian Tuning – D-G-B-D-g-b-d 6-string Open G tuning with additional 5th B-string.
The note layouts on the fretboard of a guitar tuned in perfect 4ths, with arrows that show where the same note continues on a higher-pitched string. All adjacent strings have the same interval and repeat at the 5th fret, unlike standard guitar tuning which has an inconsistency between the 2nd and 3rd strings.