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Blog

Musings of a librarian, former archivist, musician, bibliophile, and tech-obsessed.

Entries in Metadata (7)

Monday
Jan312011

More in Metadata

This message was posted on the ARSC listserv and contains information and resources concerning the new audio and moving image metadata standards put forward by the Library of Congress:


The technical metadata schemas AudioMD (AMD) and VideoMD (VMD) were developed in 2002 at the Library of Congress for use in the LC Audiovisual Prototyping Project with METS. They have continued to be used since then because there has not been an alternative that has suited the needs of some cultural heritage institutions, particularly those using METS. They have now been updated. The two schemas describe audio and video and are likely to be interim schemas to the coming AES-X098B schema (see:http://www.aes.org/standards/meetings/aes129-sc-03-07-report.cfm ) as well as a video one under development as part of the Federal Agencies Digitization Guidelines Initiative (see: gttp://www.digitizationguidelines.gov/).

The draft revised schemas are available at:

http://www.loc.gov/standards/premis/AMD_review.xsd

http://www.loc.gov/standards/premis/VMD_review.xsd

For AMD and VMD schemas there are some issues that we want to get feedback on:

Both schemas have their element names changed to camel case to harmonize with PREMIS and other standards. Previously underscore was used. Is this change desirable?

VMD has undergone a bigger update adding more elements to make it able to hold more information about video-files. An element <track> has been added. However to harmonize with AMD some more general elements are left in the schema so you can have a simpler description or you can use track to give more specific information. Should the two options be available in the VMD-schema?

VMD now allows for the repetition of elements that previously weren't repeatable. Are the added ones sufficient or do more elements need to be repeatable?

AMD has not changed the repeatability of elements. Are there elements that should be repeatable?

Does AMD need additional changes such as was done with the VMD schema?

Should the schemas be merged into one or should they be kept separated?

We will have a 3-week review; please send comments by Feb. 24, 2011.

Thanks to Karin Bredenberg (National Archives of Sweden) for revising the XML schemas.

Rebecca

Rebecca S. Guenther

Senior Networking & Standards Specialist Network Development & MARC Standards Office Library of Congress

Monday
Aug022010

Lecture: "Open Source at the Library of Congress"

I attended the lecture "Open Source at the Library of Congress" presented by Leslie Johnston at George Washington University on July 15. Her presentation focused on how the Library of Congress has used and has been instrumental in creating opensource software for digitization projects, digital preservation, and information management.
The most interesting part of this presentation (for me) was the mention of BWFMetaEdit, the opensource embedded metadata editor for broadcast wave files I was introduced to at ARSC 2010. LoC contracted the creation of this program, which was available, though not formally released, as of July 15. Though I have not downloaded this program yet, I look forward to experimenting with it.
I also discovered that the Library of Congress is involved in so many electronic records management projects and digital initiatives, they archive over one Petabyte of material each year! And to think, I thought that archiving one Terabyte in a year was a lot!
Monday
May242010

ARSC Days 4 and 5

More sessions, more learning. My favorite presentations of the day were the updates on copyright activism, and Chris Lacinak's (from Audio Visual Preservation Solutions) presentation on BWF MetaEdit, a new software program for editing embedded metadata! I can't wait to try it! CUA has needed something like this--a way to access all of the embedded metadata chunks in one program and a way of batch-importing the metadata from existing Excel sheets. This could be a workable solution for importing metadata!

Sunday
May162010

Bouncing For Joy

I had an epiphany working with Logic Express this week! I finally figured out how to proprely bounce my audio project, creating the master file, and preservation and mp3 surrogates. It's so easy, now that I reflect back on it, that I'm surprised it took me so long. I blame my lack of Mac knowledge and teminology.

I was also able to create the ID3 tags--metadata!!!

This revelation happened just in time. I received a few more requests this week for audio reels. I'm really looking forward to tracking the time of an actual digitization process. Tomorrow, it's game time!

Wednesday
Jan272010

Moving Image Metadata

I wish I would have known about this symposium on metadata from The Academy of Motion Picture Arts and Sciences, not that I could have made it... But I'm excited to watch the online presentations!