Matrix presentation curatecamp_04192013

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File Format Comparison for Analog-to-Digital Reformatting

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Matrix presentation curatecamp_04192013

  1. 1. Format Comparison forAnalog-to-Digital Reformatting(The Matrix)April 19, 2013CURATECamp AVPres
  2. 2. Progress Report• Small NARA working group– LOC Culpeper and AVPS, also contributing• Populating the data cells – more than halfwaydone (DRAFT)• Some structural changes• Received input from FADGI members at lastAV meeting
  3. 3. Overall Structure• Across the top are the formats we’reevaluating• Down the side are the criteria we’re using forevaluation• Evaluating wrappers and encodings separately• Show Matrix
  4. 4. Overall Structure, cont.• Show Matrix• Section 1: Sustainability Factors (from LOC andCarl)• Section 2: Cost Factors (how much does itcost?)• Section 3: System Implementation Factors(how difficult is it to do?)• Section 4: Settings and Capabilities (whatspecial or additional features does it support?)
  5. 5. Recent Changes• We’ve added MPEG-2 PS and TS to codecs– This raised some interesting questions about whatexactly the encoding is doing vs. what thewrapper is doing, especially in terms of metadatasupport– We might still evaluate the ad hoc .mpg wrapperon the Wrappers Tab• Uncompressed 8 and 10-bit were split into 2columns– They are distinct and have different strengths andweaknesses
  6. 6. Next Steps…• Will continue to populate data cells• Compile narrative– Planar vs. packed, MPEG-2 wrapper and encoding,second-tier Encodings, etc.• Watch this space:http://www.digitizationguidelines.gov/guidelines/File_format_compare.html
  7. 7. Contact Info• cegan@nara.gov• 301-837-0608Thanks!
  8. 8. Contact Info• cegan@nara.gov• 301-837-0608Thanks!

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