Question

define quality or timber

Answer 1

when pitch(frequency)
and loudness of two sounds are equal then
quality helps us to distinguish between the sound
since both the sounds have different patterns thus can be distinguished

Answer 2

(a) Pitch: Pitch is the characteristic of a wave by which sound wave appears shrill or grave. It depends upon the frequency of the wave.

Higher the frequency higher will be the pitch and vice-versa.

Frequency and hence the pitch of a female voice is more than the frequency and the pitch of a male voice and hence female voice is shrill and male voice is grave.

(c) Quality : It is the sensation received by the ear by which, we are able to differentiate two sounds (even if they are of same pitch and loudness).