AIDAC - Permanent Appeal - Entreaty from the Association of Italian Translators for Cinema and TV, regarding the liberties frequently taken in audio dubbing today.
HowStuffWorks: How Movie Sound Works - Illustrated narrative explains analog and digital sound systems, Digital Theater Systems (DTS), Dolby Digital and Sony Dynamic Digital Sound (SDDS).
Syncronizing Sound and Vision - Collection of frequently asked questions based around 'lip sync' and other audio/visual syncronization used in filmmaking.