Question

which characteristics of sound helps you to udentify your friend byhis voice while sitting with other in dark room?

Answer 1

characters that help us are timbre and pitch

Answer 2

☆$\red {HELLO\:DEAR}$☆

Quality of sound is that characteristic which helps us identify a particular person.

Sound produced by two persons may have the same pitch and loudness, but the quality of the two sounds will be different.

☆$\green {VISHU\:PANDAT}$☆

☆$\blue {FOLLOW\:ME}$☆