What Deepens Your Voice?

Take a really deep breath and start humming for as long as you can while holding it. This will stretch your vocal cords — and stretched vocal cords always make a voice sound significantly deeper. After you've done that, take another deep breath but point your chin down toward your chest.

What deepens a man's voice?

It's the same process with vocal cords. Before a boy reaches puberty, his larynx is pretty small and his vocal cords are kind of small and thin. That's why his voice is higher than an adult's. But as he goes through puberty, the larynx gets bigger and the vocal cords lengthen and thicken, so his voice gets deeper.

What does it mean if your voice deepens?

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.