Welcome to Sprocket School! This project is maintained by volunteer editors. Learn more about how this works.

16mm sound formats: Difference between revisions

From Sprocket School
Jump to navigation Jump to search
No edit summary
No edit summary
 
(3 intermediate revisions by the same user not shown)
Line 6: Line 6:


__NOTOC__
__NOTOC__
==Mono==
If you see an optical soundtrack on the film you're about to project, it is a mono track. (16mm stereo was developed in the 1990s, but virtually no prints were made this way.)
However, mono optical tracks can look very different from one another. Do not be alarmed.
<gallery widths=200px heights=200px>
File:Mauer track.JPG|A "Mauer" style mono variable area track.
File:16mm-mono-single.jpg|A single bilateral variable area track.
File:16mm film frames.JPG|A dual bilateral variable area track.
File:16mm-scope2.jpg|A (poorly photographed) variable density track.
</gallery>
==Identifying silent prints==
==Identifying silent prints==
Silent 16mm prints are easily identified because they have perforations on both edges of the film ("double perf"). Sound prints have sprockets on only one edge ("single perf").
Silent 16mm prints are easily identified because they have perforations on both edges of the film ("double perf"). Sound prints have sprockets on only one edge ("single perf").
Line 21: Line 34:
==Sound from external sources==
==Sound from external sources==
Exhibitors of ultra low budget or experimental films may encounter 16mm prints that don't have a soundtrack on the print but are meant to be projected with sound from an external source such as a digital file, cassette tape<ref>https://canyoncinema.com/catalog/film/?i=1789</ref>, radio<ref>https://web.archive.org/web/20240120092009/https://film-makerscoop.com/catalogue/barbara-rubin-christmas-on-earth</ref>, etc.
Exhibitors of ultra low budget or experimental films may encounter 16mm prints that don't have a soundtrack on the print but are meant to be projected with sound from an external source such as a digital file, cassette tape<ref>https://canyoncinema.com/catalog/film/?i=1789</ref>, radio<ref>https://web.archive.org/web/20240120092009/https://film-makerscoop.com/catalogue/barbara-rubin-christmas-on-earth</ref>, etc.
==Mono==
If you see an optical soundtrack on the film you're about to project, it is a mono track. (16mm stereo was developed in the 1990s, but no prints were made this way.)
However, mono optical tracks can look very different from one another. Do not be alarmed.
<gallery widths=200px heights=200px>
File:Mauer track.JPG|A "Mauer" style mono variable area track.
File:16mm-mono-single.jpg|A standard variable area track.
File:16mm-scope2.jpg|A (poorly photographed) variable density track.
</gallery>
* Need pix of: other styles of variable area tracks, various styles of variable density tracks




Line 42: Line 41:




=Gallery=
==Gallery==
<gallery widths=200px heights=200px>
<gallery widths=200px heights=200px>
File:16mm test film.jpg
File:16mm test film.jpg

Latest revision as of 20:55, 16 October 2025

Most 16mm prints encountered in a projection setting are either silent or have mono optical soundtracks.

Vintage prints with magnetic soundtracks may be projected in specialty settings, for example in a program of Scopitones or at a Home Movie Day.

Other 16mm sound formats exist, but these do not normally come up in exhibition contexts. Examples include 16mm DTS and full coat magnetic sound elements.


Mono

If you see an optical soundtrack on the film you're about to project, it is a mono track. (16mm stereo was developed in the 1990s, but virtually no prints were made this way.)

However, mono optical tracks can look very different from one another. Do not be alarmed.


Identifying silent prints

Silent 16mm prints are easily identified because they have perforations on both edges of the film ("double perf"). Sound prints have sprockets on only one edge ("single perf").

Caution: some early 16mm projectors have rollers with sprockets on both sides, and cannot be used to play back sound films. Do not use these projectors to play back a sound print; they will destroy it.

Note that a print of a film that is known to be "a silent film" may have a soundtrack of music printed on the film! Likewise, just because a print doesn't have a soundtrack doesn't mean that the film doesn't have sound; for example, some artists' films are meant to be played with sound from an external source.


Sound from external sources

Exhibitors of ultra low budget or experimental films may encounter 16mm prints that don't have a soundtrack on the print but are meant to be projected with sound from an external source such as a digital file, cassette tape[1], radio[2], etc.


Magnetic sound on 16mm

  • need a projector that can do it, like some models of Kodak Pageant, some Eastmans, some Norelcos, the Kinoton FP38, some Eikis...
  • need photo of mag stripe sound


Gallery

See also

--