Sound:
Vibrations that travel through the air or another medium and can be heard when they reach a person’s or animal’s air is called Sound.
Sound is a form of energy.
Sound cannot travel through vaccum.
A thing that can be heard.
Voice:
The sound produced in a person’s larynx and uttered through the mouth, as speech or song.](=)
All noise are sounds but all sounds are not noise.
Sound is any vibration in the air which you can hear. Noise is any vibration in the air which you can hear but you feel uncomfortable.
“Sound is what we hear. Noise is unwanted sound. The difference between sound and noise depends upon the listener and the circumstances. Rock music can be pleasurable sound to one person and an annoying noise to another. In either case, it can be hazardous to a person’s hearing if the sound is loud and if he or she is exposed long and often enough .” Source