Introduction to the Practices and Principles of Audio-Visual Archiving International Council on Archives, Section of International Organisations Nairobi, Kenya 25 October, 2007 Martha Hunt, Audio-Visual Archivist United Nations International Criminal Tribunal for Rwanda SIO AV Archiving Presentation What are Audio-Visual Records? Audio – something that is heard Visual – something that is seen An object that: stores sight and sound reproduces sight and sound SIO AV Archiving Presentation History of Audio Recording Tin-foil “phonograph” Wax cylinder Pressed disks (LPs) Magnetic tape (various formats) Cassette tapes CD Digital audio files SIO AV Archiving Presentation Henry Fox Talbot Louis Daguerre SIO AV Archiving Presentation Edward Muybridge SIO AV Archiving Presentation Nitrate Film Flammable Destroyed by studios when no longer financially valuable Nitrate deterioration SIO AV Archiving Presentation The British Film Institute Established to “encourage the development of the art of the film, to promote its use as a record of contemporary life and manners, and to foster public appreciation and study of it from these points of view.” SIO AV Archiving Presentation Cinematheque Francaises The first national cinematheque, and model for numerous institutions worldwide. Focused on the public screenings and museum exhibits. SIO AV Archiving Presentation Acetate Film Non-flammable “safety” film 35mm 16mm 8mm affordable for amateur use SIO AV Archiving Presentation Video Television Broadcasting only, not recordable Magnetic tape used for recording image First videos too large for consumer use Various formats developed Professional quality Consumer quality (VHS) SIO AV Archiving Presentation DVD and Digital Files DVD Same shape and physical make-up as CDs Capable of storing large amounts of information Image quality superior to VHS Digital Video Files No longer a physical object Storage space costly Will become more common in the near future SIO AV Archiving Presentation Goals of Audio-Visual Archiving Preservation Public Accessibility SIO AV Archiving Presentation Problems with film Nitrate deterioration Acetate deterioration (vinegar syndrome) Black and white fading Color fading Physical damage to prints SIO AV Archiving Presentation Problems with video Drop-outs Damage in playback Dust and pollutants Mould Binder break-down (stick-shed syndrome) SIO AV Archiving Presentation Problems with CDs and DVDs Scratches Dye-fading No standards Uncertain life expectancy SIO AV Archiving Presentation Points to consider regarding digitisation Purpose Compression schemes Lossy vs. loseless Storage media Enhanced public accessibility Preservation LTO RAID Technological Obsolescence Back-ups Retention of original materials SIO AV Archiving Presentation Care and Handling of AV Material Videos Store in a cool, dry, and clean environment Rewind Store in enclosed cases Clearly label case and tape Store on end Limited use Metal shelving CDs and DVDs Store in a dark, clean environment Store in cases Only write on the clear hub of disc to label Store on end Limited use SIO AV Archiving Presentation Preservation of Audio-Visual Materials Professional formats Standardize if possible Back ups DVCAM or DigiBeta 2 copies, stored separately Plan ahead SIO AV Archiving Presentation Public accessibility of an audiovisual collection Physical organization Intellectual organization Database should fit your needs Digitization Shelves designed for your material Easy to reproduce and distribute Do the best you can within your budget SIO AV Archiving Presentation Challenges of A-V archiving Instability of materials Multiple formats Expensive SIO AV Archiving Presentation Why keep A-V records? Accuracy of information Accessible to a wider public Nuance and meaning SIO AV Archiving Presentation United Nations International Criminal Tribunal for Rwanda SIO AV Archiving Presentation