Fundamental voice frequency measured by electroglottography during continuous speech. A new exact secondary sex characteristic in boys in puberty.
The variation of fundamental voice frequency measured by the average of 2000 consecutive electroglottographic cycles in a reading situation has been examined in relation to pubertal development and androgens. Fundamental frequency among other parameters was related to height (r -0.82), pubic hair stage (r -0.87), testis volume (r -0.78), total testosterone (r -0.73) and serum hormone binding globulin (r 0.75). Single observations of fundamental frequency show a clear grouping of results under and over 200 Hz. Fundamental frequency of more than 200 Hz and serum testosterone of more than 10 nmol/l probably represent values for a boy in puberty. There seem to be comparable relations with other androgens and with serum hormone binding globulin.
Pedersen
M F
MF
Møller
S
S
Krabbe
S
S
Bennett
P
P
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000728:Androgens / Q000097:blood; D001827:Body Height; D002648:Child; D004568:Electrodiagnosis; D005931:Glottis / Q000502:physiology*; D006197:Hair; D006801:Humans; D008297:Male; D011627:Puberty; D012727:Sex Characteristics; D013060:Speech / Q000502:physiology*; D013737:Testis / Q000033:anatomy & histology; D014831:Voice
D000728:Androgens