Preservation

Motion Picture Digital Product Options

For digital products created from film-based source material, the specifications are dictated by the source material’s original characteristics including format and condition. Materials in advanced stages of deterioration as measured on the At Risk Assessment Guide are scanned to include all the available visual information within a DPX sequence including the optical soundtrack if available. When reproduction copies are needed, a second file without the soundtrack image may be generated through reprocessing the over-scanned image to mask the soundtrack. One-light color timing will be employed as appropriate during the initial capture process, but otherwise, the preservation files are unaltered. Reproduction and distribution files may have additional image improvements such as the use of restoration tools including dust and scratch removal as needed and scene-by-scene color correction.

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The U.S. National Archives and Records Administration
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