Question

Which characteristics of the sound help you to identify your friend by his voice while sitting with others in a dark room?

Answer 1

1. Timbre is the distinctive tone coloration of equipment or voice that results from the reinforcement of various harmonics or overtones (q.v.) of a basic pitch by specific vocalists or instruments.
2. Pitch is defined as the characteristic of sound that distinguishes between shrill and flat sounds.
3. Timbre and pitch are the characteristics of sound which help to identify the sound of different voices.
4. Thus, because of the difference in timbre and pitch of the sound wave, a person can identify the voice of his friend sitting with others in a dark room.