When you go through puberty, your voice deepens. Men's voices often deepen up to an octave, while women's voices usually move about three tones lower. After puberty and well into older adulthood, some people's voices may change, but not everyone's. ... Women's voices tend to go down.

Do voices deepen over time?

That's why your voice is higher than an adult's. As you go through puberty, the larynx gets bigger and the vocal cords lengthen and thicken, so your voice gets deeper. As your body adjusts to this changing equipment, your voice may "crack" or "break." But this process lasts only a few months.

Do men's voices deepen with age?

A. Men's voices deepen in the teenage years, but a different kind of change can happen later in life. Doctors call that change presbyphonia, meaning "aging voice." Over time, the vocal cords become drier and have less ability to vibrate at high speeds, which provides the tone in your voice.