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Sound formats: Difference between revisions
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[[File:Mono tracks.jpg |right|thumb|300px|A print with both variable area and variable density mono tracks.]] | [[File:Mono tracks.jpg |right|thumb|300px|A print with both variable area and variable density mono tracks.]] | ||
'''Sound formats''' are technologies that allow recorded sound to be synchronized to (or otherwise accompany) a film. Before the advent of sound formats, all films were [[silent film|silent]]. | '''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]]. | ||
* magenta vs. cyan vs. black/silver/gray for optical tracks | * magenta vs. cyan vs. black/silver/gray for optical tracks | ||
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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 || || || || || | ||
|- | |- | ||
| [[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 || || | ||