What Are The Properties Of A Sound Wave?

A wave basically is a disturbance which spreads in the course of space or space time, generally transmitting energy. Although a mechanical wave subsists in a medium, waves of electromagnetic radiation can pass through vacuum, which is exclusive of a medium.

Waves pass through and transmit energy from one particular point to another, generally with slight or no stable displacements of the elements of the medium, in its place there are oscillations around almost set positions. Periodic waves are distinguished by crests and troughs, and might generally be classified as either longitudinal or transverse.   

When an article moves up and down on a wave in a pond, it faces an orbital course because ripples are not plain oblique sinusoidal waves.

Sound wave are sinusoidal in nature.
Loudness of sound waves are determined by the amplitude of each wave.
The frequency of voice is 300Hz to 3kHz ^^