Sound design is an art, and though it can be a lot of work and is also a serious business, it’s fun! “Sound design” is really sort of a fancy name for foley or sound effects, though it is really a bigger thing that encompasses both of those things. Sure, you can argue terminology, but in a nutshell, sound design is what is responsible for all the non-dialog (and non-music, usually) sounds you hear while watching a movie. You know the sounds – the footsteps, howling winds, rain, hail, sizzling steaks, monster noises, creaking, cracking, and sounds for things that don’t even exist.
Essentially, it could be argued that sound design is responsible for about half of the artistry of a film, though it is so weaved into the fabric of it all that it almost goes unnoticed.
You cannot really teach it out of the box, but there are some tips that you can follow to make it wilder! Check out the article by Music Tech where they highlighted 6 sound design tips.