View source for NDSA:Standards and Best Practices Working Group/Optical MeetingNotes/Morel

*'''Morgan Morel (George Blood Audio & Video)''' [https://twitter.com/av_morgan @av_morgan]
**500 once written DVDs - American Folklife Collection Veterans History Project. 
**Staff at vendor asked to create findings report; outlining troubles and tools used.
**Formats for medium term storage white paper; ISO disc image recommended.
**ISO disc image can be mounted filesystem as if it were inserted into drive
**Extract production master files 
**VideoTS folder and AudioTS folder 
***[Going through folders as they appear:] VideoTS is all video content - IFO is info about playback and navigation
***VOB - audio and video data _0 menus - limit to 1GB content - need to connect to make more than one to make it playable
***All folders listed needed to be intact
**CLI: *ended up using most for project on-site at George Blood. 
***hdiutil*
***dd
***ddrescue*
**GUI: 
***Mediagrabber
***DVD Decrypter
***Used hdutil and ddrescure - powerful for automated systems  run from server
***make workable iso images in case of damage etc
**Tools for extraction: *ended up using most for project on-site at George Blood. 
***GUI: compressor, handbrake, mpegstreamclip, streamz
***CLI: FFmpeg*
**Out of 500 DVDs, 49 were problematic
**9 had physical issues - ok after polishing
**Cloning errors for rest - ddresue could still make working ISO images
**31 were DVD-ROM instead of DVD-video. 
**http://www.digitizationguidelines.gov/audio-visual/documents/IntrmMastVidFormatRecs_20111001.pdf