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[[File:Mono tracks.jpg |right|thumb|300px|A print with both variable area and variable density tracks.]] | [[File:Mono tracks.jpg |right|thumb|300px|A 35mm print with both variable area and variable density mono tracks.]] | ||
[[File:35mm sound formats.JPG |right|thumb|300px|Example of a 35mm print with SDDS, Dolby digital, optical SR, and DTS.]] | |||
'''Sound formats''' are technologies that allow recorded sound to be synchronized to (or otherwise accompany) a film. Sound formats also encompass more advanced technologies like '''noise reduction''' and '''sound processing'''. Before the advent of sound formats, all films were [[silent film|silent]]. | |||
* [[magnetic sound]], [[optical soundtrack]], digital sound/sound on disc | |||
* magenta vs. cyan vs. black/silver/gray for optical tracks | * magenta vs. cyan vs. black/silver/gray for optical tracks | ||
* Determining sound formats (esp. optical formats) | * Determining sound formats (esp. optical formats) | ||
* Determining sound levels - best practices | * Determining sound levels - best practices | ||
* Amplifiers? | * Amplifiers? | ||
* Sound processors | * Sound processors | ||
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| [[Stereo]] || Optical || || x || || || || || | | [[Stereo]] || Optical || || x || || || || || | ||
|- | |- | ||
| [[Dolby SR]] || Optical || || x || || || || || | | [[Dolby SR]] (35mm) || Optical || || x || || || || || | ||
|- | |- | ||
| [[Dolby A]] || Optical || || x || || || || || | | [[Dolby A]] (35mm) || Optical || || x || || || || || | ||
|- | |- | ||
| [[Dolby | | [[Dolby Digital]] || Digital || || x || || || || || Also called Dolby SR-D | ||
|- | |- | ||
| [[DTS]] || Digital || x || x || | | [[DTS]] || Digital || x || x || x || || || || | ||
|- | |- | ||
| [[SDDS]] || Digital || || x || || || || || | | [[SDDS]] || Digital || || x || || || || || | ||
|- | |||
| [[Dolby SR]] (70mm) || Magnetic || x || || || || || || | |||
|- | |||
| [[Dolby A]] (70mm) || Magnetic || x || || || || || || | |||
|- | |- | ||
| Magnetic || Magnetic || x || x || x || x || x || || | | Magnetic || Magnetic || x || x || x || x || x || || | ||
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[[Category:Film | [[Category:Film prints]] | ||
[[Category: Sound]] | |||
[[Category: Sound formats]] |