At its core, sound is energy produced by vibrations. When some thing vibrates—whether it is a speaker, a vehicle motor, or your neighbor’s vocal cords—it results in waves that travel in the air. You signed in with An additional tab or window. Reload to refresh your session. You signed out https://london-professional-tilin51627.losblogos.com/31518212/the-best-side-of-noise-reduction