Question

Which characteristic of sound will help you to:
(a) Distinguish between the sound of a boy and a girl.
(b) Distinguish between the sounds of two girls.

Answer 1

(a) For distinguishing between a boy and a girl's sound, the characteristic of sound which will help is pitch. Because pitch of girl is higher than the pitch of boys.Pitch denotes the frequency of sound production.

(b) For distinguishing between two girl's sound, the characteristic of sound which will help is timbre. Timbre is the character or quality of a musical sound or voice as distinct from its pitch and intensity.