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Tone is the use of pitch in language to distinguish lexical or grammatical meaning—that is, to distinguish or to inflect words. [1] All oral languages use pitch to express emotional and other para-linguistic information and to convey emphasis, contrast and other such features in what is called intonation, but not all languages use tones to distinguish words or their inflections, analogously ...
Left: Halftone dots. Right: Example of how the human eye would see the dots from a sufficient distance. Halftone is the reprographic technique that simulates continuous-tone imagery through the use of dots, varying either in size or in spacing, thus generating a gradient-like effect. [ 1] ". Halftone" can also be used to refer specifically to ...
Roulettes of different types were used together with the burin and needle to create densely packed marks which appear as tonal to the eye, and allow a great variety of textures and effects. True burin engraving was generally used to finish the etched image. [2] First a broad, general outline is made on the plate before starting the detailed image.
Ü (lowercase ü) is a Latin script character composed of the letter U and the diaeresis diacritical mark. In some alphabets such as those of a number of Romance languages or Guarani it denotes an instance of regular U to be construed in isolation from adjacent characters with which it would usually form a larger unit; other alphabets like the Azerbaijani, Estonian, German, Hungarian and ...
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de Moivre. Euler. Fourier. v. t. e. In trigonometry, trigonometric identities are equalities that involve trigonometric functions and are true for every value of the occurring variables for which both sides of the equality are defined. Geometrically, these are identities involving certain functions of one or more angles.
The tone contours of Mandarin Chinese. In the convention for Chinese, 1 is low and 5 is high. The corresponding tone letters are ˥ , ˧˥ , ˨˩˦ , ˥˩. A series of iconic tone letters based on a musical staff was devised by Yuen Ren Chao in the 1920s [ 2] by adding a reference stave to the existing convention of the International Phonetic ...