"What are the secrets to creating quality shots? You won't find the answers in your camcorder manual (nomatter how many languages it's printed in!). And there's no magic button you can push to deliver professional results. But don't despair. The techniques of quality camerawork are relatively simple and straightforward. Anyone can learn them. In this lesson you will learn the basic camera techniques necessary to compose shots like a pro.
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Back in the days of yore, when cheese didn't come in pre-sliced, individually wrapped packets, and the word "cloud" only referred to the visible masses of precipitation in our planet's atmosphere, there was only one way to accurately make a movie with sound. That way, my friends, relied heavily on the aid of a slate or clapperboard.
Sound whose source is visible on the screen or whose source is implied to be present by the action of the film:
voices of characters
sounds made by objects in the story
music represented as coming from instruments in the story space ( = source music)
Diegetic sound is any sound presented as originated from source within the film's world