The larynx growing larger results in it protruding as the 'Adam's Apple'. The voice box becomes bigger, the vocal cords thicken, and the resonance of the voice changes to a deeper tone.

These areas act as resonating chambers, contributing to the unique characteristics of one's voice.ĭuring this stage of life, as the facial bones grow, the nose, sinuses and throat become bigger. The structure of areas like the throat, nose and sinuses vary from person to person. However, the larynx does not contribute to the distinctive voice quality of individuals. They vibrate like the strings of a guitar to produce sound. Two vocal cords stretch across the larynx. The way a person's voice changes depend on the larynx, which is present in the front part of the throat. To begin with, you need to understand the functioning of the voice box, an organ called the larynx in medical terms. To help your son cope with this change, you need an in-depth understanding of this phenomenon. It usually takes from a few weeks to three months for a boy's voice to settle into its adult form. If your child's voice starts changing well before he is nine years old, it is better to consult a doctor. This usually begins at around nine years and goes on until the child turns 14. A lot of physiological changes also happen during this period. If you have sons, their mischief and boundless energy aren't the only things you must contend with as they enter their teens.

Voice changer girl to boy