The human voice text to voice consists of man-made sounds using the vocal cords: talking, singing, laughing, crying, screaming, and screaming. The human vocal frequency is part of the human voice. The vocal cords (the glottis) are the main source of sound text to speech voice. (Other sound production mechanisms occur in the common areas of the body: the production of nonverbal sounds, clicks, whistles, and whispers.

In general, the human voice mechanism can be divided into three parts: the lungs, the vocal cords (glottis) and the joints. In the lungs, a "pump" must generate enough airflow and air pressure to keep the vocal cords vibrating. Then the vocal cords (glottis) are vibrated using air currents from the lungs to produce audible sounds that generate the speech convert text to speech sound source in the larynx. Laryngeal muscles regulate the length and tension of the vocal cords to "correct" the pitch and duration. The vocalizer (part of the vocal cords above the throat, including the tongue, palate, cheeks, lips, etc.) comes from the larynx and interacts with the airflow in the larynx to increase or decrease the voice. To some extent, like background music

Combining vocal cords and sound generators can create complex vocal arrays. The tone of your voice can be modified to indicate emotions such as anger, surprise, fear, happiness, or sadness. The human voice is used to express feelings and can also indicate the age and gender of the speaker Text to Speech. Singers use the human voice as a songwriting tool.

Adult men and women tend to have different sizes of vocal cords. The difference between men and women also reflects the size of the larynx. Mature males' voices tend to be deeper and more curly.