![]() Singers, teachers, doctors, lawyers, nurses, sales people, and public speakers are among those who make great demands on their voices. Many people use their voices for their work. This is why people's voices sound so different. The quality of your voice-its pitch, volume, and tone-is determined by the size and shape of the vocal folds and the resonating cavities. The vibrations produce sound waves that travel through the throat, nose, and mouth, which act as resonating cavities to modulate the sound. The vocal folds snap together while air from the lungs blows past, making them vibrate. When it's time to speak, however, the brain orchestrates a series of events. When you are not speaking, the vocal folds are open so that you can breathe. The larynx is located between the base of the tongue and the top of the trachea, which is the passageway to the lungs (see figure). The sound of your voice is produced by vibration of the vocal folds, which are two bands of smooth muscle tissue that are positioned opposite each other in the larynx. Structures involved in speech and voice production What is voice? Congressional Testimony and the NIDCD Budget.Research Training in NIDCD Laboratories (Intramural).Types of Research Training Funding Opportunities. ![]()
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