Häälsidevahetus
Häälsidevahetus is an Estonian term that translates to "voice change" or "vocal mutation." It refers to the significant physiological transformation that occurs in the voice of individuals, primarily during puberty. This change is most pronounced in males but also affects females, albeit to a lesser extent.
During puberty, hormonal changes, particularly the increase in testosterone in males, cause the larynx (voice box)
The timing and extent of häälsidevahetus can vary significantly from person to person. Factors such as genetics