واک‌سازی

The term phonation has slightly different meanings depending on the subfield of phonetics. Among some phoneticians, phonation or phonating is the process by which the vocal cords, or vocal folds, produce certain sounds through quasi-periodic vibration. This is the definition used among those who study laryngeal anatomy and physiology and speech production in general. Phoneticians in other subfields, such as linguistic phonetics, call this process voicing, and use the term phonation to refer to any oscillatory state of any part of the larynx that modifies the airstream, of which voicing is just