FilmSound.org
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Dedicated to the art and analysis of film sound. Includes glossary, news, features on specific designers, history, links, and notes on film sound cliches.
www.filmsound.org
Cinema Audio Society
Working to further communication between related sound crafts and between those producing films.
www.cinemaaudiosociety.org
Film Sound History Timeline
From the pre-1920s to the 1990s. Offers details about the technical advancements of sound in the movies, Dolby Stereo, THX, and DTS.
www.mtsu.edu/~smpte/timeline.html
Wikipedia: Sound Editor
Detailed history of sound editing in film, including the early talkies in the 1920s, mechanical editing, and digital sound.
en.wikipedia.org/wiki/Sound_editor
Film Sound Theory
Devoted to the study of film sound. Features on line articles, terminology, bibliography of books, chapters, and journal articles.
hem.passagen.se/filmljud/filmsound.htm