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The weakest forms of the Semitic hypothesis are similar to Gnanadesikan's trans-cultural diffusion view of the development of Brahmi and Kharoṣṭhī, in which the idea of alphabetic sound representation was learned from the Aramaic-speaking Persians, but much of the writing system was a novel development tailored to the phonology of Prakrit.
An eighth note or a quaver is a musical note played for one eighth the duration of a whole note (semibreve). Its length relative to other rhythmic values is as expected—e.g., half the duration of a quarter note (crotchet), one quarter the duration of a half note (minim), and twice the value of a sixteenth note.
A distinct use of the term sound from its use in physics is that in physiology and psychology, where the term refers to the subject of perception by the brain. The field of psychoacoustics is dedicated to such studies. Webster's dictionary defined sound as: "1. The sensation of hearing, that which is heard; specif.: a. Psychophysics.
Nasal airflow may be added as an independent parameter to any speech sound. It is most commonly found in nasal occlusives and nasal vowels, but nasalized fricatives, taps, and approximants are also found. When a sound is not nasal, it is called oral. Laterality is the release of airflow at the side of the tongue. This can be combined with other ...
Sound types are the most sonorous on the left side of the scale, and become progressively less sonorous towards the right (e.g., fricatives are less sonorous than nasals). The labels on the left refer to distinctive features , and categories of sounds can be grouped together according to whether they share a feature.
The opposition between consonance and dissonance can be made in different contexts: In acoustics or psychophysiology, the distinction may be objective.In modern times, it usually is based on the perception of harmonic partials of the sounds considered, to such an extent that the distinction really holds only in the case of harmonic sounds (i.e. sounds with harmonic partials).
The fraction of sound absorbed is governed by the acoustic impedances of both media and is a function of frequency and the incident angle. [2] Size and shape can influence the sound wave's behavior if they interact with its wavelength, giving rise to wave phenomena such as standing waves and diffraction .
Chromesthesia or sound-to-color synesthesia is a type of synesthesia in which sound involuntarily evokes an experience of color, shape, and movement. [ 1 ] [ 2 ] Individuals with sound-color synesthesia are consciously aware of their synesthetic color associations/ perceptions in daily life. [ 3 ]