120fps as a Universal Production Format for Motion Pictures

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Publisher: SMPTE — White Plains, NY
Doc Type: Conference Paper
Content Type: Original Research
Volume: 2014, No. 10, pp. 1–15
Abstract: For decades motion picture production was locked into the 24 fps frame rate as the release standard for cinema exhibition, despite the shortcomings of that rate for representing movement of both the photographed subjects and the camera. With the advent of digital projection in theaters there are more frame rate options, as some recent movie releases have shown. Not only may movies be photographed and exhibited at higher rates, but the prospect of digital cinematography combined with digital projection has opened up the possibility of new filmmaking workflows, including the intentional decoupling of capture and display frame rates. By using a frame rate of 120 fps during original photography, DCP masters with frame rates of 24, 30, 40, and 60 frames/sec may be generated from the same source material. One might call this concept “oversampling motion,” and has many of the same benefits as does oversampling in audio processing. There are several additional benefits: the director can control the effective shutter angle thereby optimizing motion blur versus aliasing artifacts; decide whether to employ a slow motion effect, and if so how much – all in post-production. Additionally the method eliminates the need to implement 3-2 pulldown for subsequent broadcast or home video release. The method combines frames using a simple blending scheme and doesn't introduce the motion artifacts typical with frame rate conversion.
Publication Date: 2014-10-01
DOI: 10.5594/M001564
Link: https://doi.org/10.5594/M001564
Author(s): David RichardsMoving iMage Technologies 17760B Newhope Street Fountain Valley, CA 92708 David.richards@movingimagetech.com.
Keyword(s): Frame Rate, HFR
Copyright: © 2014 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

1 . DiGiulio , Edmund: SMPTE Study Group on 30-Frame Film Rate: Final Committee Report on the Feasibility of Motion Picture Frame-Rate Modification to 30 Frames/sec . J.SMPTE 1988 , V97 : 404 – 408 EXTERNAL
2 . Fox Jesse David : “What the Critics Are Saying About The Hobbit'S High Frame Rate.” Dec. 14, 2012 , Vulture.com. www.vulture.com/2012/12/critics-on-the-hobbits-high-frame-rate.html EXTERNAL
3 . Richards David : Temporal Oversampling: A New Paradigm in Moviemaking. May 1, 2011 . Self-published. EXTERNAL
4 . US Patent Application US 2010/0259627 A1. Method and Apparatus for Photographing and Projecting Moving Images . Application published October 14, 2010 . EXTERNAL

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<span class="citation">David Richards; <cite>120fps as a Universal Production Format for Motion Pictures</cite>, SMPTE Meetings and Conferences ( October 2014); SMPTE, 2014. Available at <a href="https://doi.org/10.5594/M001564" target="_blank" rel="noopener">https://doi.org/10.5594/M001564</a></span>

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David Richards; 120fps as a Universal Production Format for Motion Pictures, SMPTE Meetings and Conferences ( October 2014); SMPTE, 2014
doi: 10.5594/M001564
url: https://doi.org/10.5594/M001564

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<span class="doi">10.5594/M001564</span>
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