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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 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. 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]].


* [[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
* Sound on disc
* optical vs. digital vs. mag
* 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 SR-D]]  || Digital ||  || x ||  ||  ||  ||  || Also called Dolby Digital
  | [[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 prints]]
[[Category:Film prints]]
[[Category:Film components]]
[[Category: Sound]]
[[Category: Sound formats]]

Latest revision as of 11:13, 26 May 2017

A 35mm print with both variable area and variable density mono tracks.
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.

  • magnetic sound, optical soundtrack, digital sound/sound on disc
  • magenta vs. cyan vs. black/silver/gray for optical tracks
  • Determining sound formats (esp. optical formats)
  • Determining sound levels - best practices
  • Amplifiers?
  • Sound processors
  • Speakers


Sound format Type 70mm? 35mm? 16mm? 8mm? Super8? Other gauges? Notes
Mono Optical x x variable density vs. variable area
Stereo Optical x
Dolby SR (35mm) Optical x
Dolby A (35mm) Optical x
Dolby Digital Digital x Also called Dolby SR-D
DTS Digital x x x
SDDS Digital x
Dolby SR (70mm) Magnetic x
Dolby A (70mm) Magnetic x
Magnetic Magnetic x x x x x