Here’s a new YouTube video of mine illustrating some ExifTool techniques for figuring out why files behave strangely. It also serves as a teaser for my new course on ExifTool.
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Here’s a new video on viewing publicly available information in the Harvard Library’s Digital Collections, Harvard Geospatial Library (HGL), and Visual Information Access (VIA).
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A new video on my YouTube channel offers a seven-minute introduction to JHOVE. This is a teaser for my upcoming video course on file format identification tools, as well as a public test of the techniques I’ve been developing. It’s a screen capture video, and I cover the GUI version, even if it’s not as widely used, because it lets me focus on the concepts, and because it’s silly to teach a command line application in a video.
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My video for today briefly covers graphic file formats from the forties to the present. I made some interesting discoveries along the way, especially Laposky’s CRT “Oscillons.”
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This is my very first YouTube video, intended to give starting-level computer science students an idea of some of the basic issues of file formats. Suggestions on how to make future ones better, in terms of both content and technique, are welcome. If I get serious about these, I’ll invest in something better than the very painful iMovie.
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Some of us know that JPEG uses the Discrete Cosine Transform (DCT) to do lossy compression. A few people have more than the vaguest idea of what that means, and I don’t claim to be one of them. Today, though, I found a video on YouTube which gets me closer, even though I’m not very inclined toward advanced mathematics. It’s included in my file formats playlist on YouTube.
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Files that Last: Digital Preservation for Everygeek, an e-book to bring the message of digital preservation to the broader geek world.
Mad File Format Science 