This article was written by Jay Staudt.
“When you sit down to watch a film, you are immediately bombarded by an introduction that usually contains at least some background music. Sometimes the opening scene includes dialogue, someone doing something or going somewhere, and all the sound effects associated with that activity.
Of course, this is assuming you like to watch talkies, and not silent films. But since the last silent film produced by a major motion picture studio probably came out before the 1930’s, I’m going to assume that every movie you watch has sound in it. So the next time you see a movie, pay more attention to what you’re hearing and how it shapes your view of the scene and the overall story.”
Read the rest of this article from Screenwriting Basics.