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Is Voice Deepness Genetic?

Maya Lin-Takahashi • • 7 min read
Is Voice Deepness Genetic?

When we hit puberty, hormones invariably cause the voice to change. During this time the vocal folds

vocal folds
Adulthood. Human vocal cords are paired structures located in the larynx, just above the trachea, which vibrate and are brought in contact during phonation. The human vocal cords are roughly 12 – 24 mm in length, and 3–5 mm thick.
› wiki › Vocal_cords
lengthen and thicken, causing them to resonate at a lower frequency, which produces a deeper pitch (think of the strings on a guitar). ... Genetics also play a role in how our voices mature.

What determines the deepness of voice?

The deepness of a voice is primarily determined by the length and thickness of the vocal cords. Longer and thicker vocal cords produce lower, James Earl Jones-like pitches. ... As your body went into testosterone overdrive during puberty, the hormone went to work on your vocal cords, causing them to lengthen and thicken.

Is a deep voice hereditary?

So far, there is little research on how much genetics contributes to our voice (Sataloff: 1995). ... Despite this however, one genetic difference clearly impacts the voice: sex. Males have larger vocal folds than females. This means that they typically have deeper voices than females even before adolescence.

Maya Lin-Takahashi
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Maya Lin-Takahashi

Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.