Image: Optical-film-soundtrack
Size of this PNG preview of this SVG file: 420 × 520 pixels. Other resolution: 194 × 240 pixels.
Original image (SVG file, nominally 420 × 520 pixels, file size: 21 KB)
Description: Two methods of recording sound onto film. Variable density (left) and Variable width (right).
Title: Optical-film-soundtrack
Credit: Own work
Author: Iainf 09:33, 12 July 2006 (UTC)
Permission: My own work
Usage Terms: Creative Commons Attribution 2.5
License: CC BY 2.5
License Link: https://creativecommons.org/licenses/by/2.5
Attribution Required?: Yes
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