Jon W. Dunn et al. have self-archived "HydraDAM2: Extending Fedora 4 and Hydra for Media Preservation."
Here's an excerpt:
The overarching goal of the HydraDAM2 project, funded by a grant from the National Endowment for the Humanities Preservation and Access Research and Development program, was to extend the existing HydraDAM digital asset management system, developed with prior NEH support, to be able to serve as a digital preservation repository for time-based media collections implementable at a wide range of institutions using multiple digital storage strategies. The new open source digital preservation repository system developed as part of the project by partners Indiana University (IU) and WGBH, known as Phydo, is based on the Fedora 4.x digital repository system and Samvera (formerly Hydra) repository application development framework and is intended to support storage and long-term preservation management of audio and video files and their accompanying metadata. This white paper describes the work of the HydraDAM2 project to develop the Phydo system, along with future plans.