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Film Sound: Designing a Movie for Sound
What is sound design? This well written column explains in detail the importance of sound design for movies and film.
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Film Sound: Film Sound Design
A vast resource included hundred of articles dealing with sound design. Many articles are about major motion pictures and the way the sounds were designed for them. There is a lot of very interesting information here.
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Film Sound: An Introduction to Film Sound
This is an interesting introductory article about the use of sound in films. It explains the use of the human voice, background effects and music in film and the roles they have towards creating a balanced sound track.