![]() ![]() The 422 codecs are differentiated mainly by expected file size ranges, software version support and data rate limits. ![]() The Apple ProRes 422 Codec Family comprises four subtypes, each of which is geared for a different end use. There are two main branches of Apple ProRes: the Apple ProRes 422 Codec Family and the Apple ProRes 4444 Codec Family. As mentioned in a previous blog post, the Federal Agencies Digitization Guidelines Initiative published several reports on this topic including “ Creating and Archiving Born Digital Video.” Work on the “ Eight Federal Case Histories” (PDF) report nudged us to add the Apple ProRes 422 family of video codecs to the Sustainability of Digital Formats website because both the American Folklife Center’s Civil Rights History Project and NOAA’s Office of Ocean Exploration and Research Okeanos Explorer make use of these codecs.ĭeveloped and maintained by Apple, Inc, ProRes is a family of proprietary, lossy compressed, high quality intermediate codecs for digital video primarily supported by the Final Cut Pro suite of post-production and editing software programs. We’ve spent a lot of time recently thinking about digital video issues. FADGI’s report on selected born digital video projects in a range of federal agencies includes the use of various Apple ProRes 422 codecs. ![]()
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