The human singing voice is also a vibration which is amplified by resonance. The vocal chords are the vibrating part and the throat, mouth, nasal cavities and bronchial tubes constitute the resonance ...The human singing voice is also a vibration which is amplified by resonance. The vocal chords are the vibrating part and the throat, mouth, nasal cavities and bronchial tubes constitute the resonance cavities that amplify these vibrations into sound. Because every person's combination of throat, mouth, nasal cavities and bronchial tubes is slightly different, we all sound slightly different.
