audiovisual archives digital preservation preforma research projects open source file formats presto4u prestocentre netherlands institute for sound and vision euscreen europeana sounds europeana file conformance oais valorization interoperability labs open collections innovation images for the future video encoding video migration film digitisation conformance checking trusted digital repositories fp7 digitisation film preservation euscreenxl archives accessibility sound archives televisie content strategy crowdsourcing geschiedenis scanning digital durability jpeg2000 transcoding storage formats digitizing film mxf digitization dpx
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