phonation
Phonation is the process of producing sound through the vibration of the vocal cords, which are located in the larynx, or voice box. When air from the lungs passes through the closed vocal cords, they vibrate, creating sound waves. The pitch and volume of the sound can be altered by changing the tension and length of the vocal cords.
This process is essential for human communication, allowing us to speak and sing. Factors such as breath control, vocal cord health, and resonance in the throat and mouth can influence the quality of the sound produced during phonation.