Category Archives: Technical

Open Hardware: Inexpensive Enclosures From Junction Boxes.

I had a need for a cheap, standard enclosure for a humidity and temperature monitoring project. While there are many, many options for enclosures out there, few are cheap AND locally available. It occurred to me that electrical junction boxes … Continue reading

Posted in Technical | 14 Comments

improved h.264 derivatives!

We have thoroughly tested a newer and simpler way to create h.264 derivatives! Changes you’ll notice: More pixels!  previously 320 x 240    goes to 640 x 480 pixels Slightly higher video bitrate — from about 512kb/s   to   … Continue reading

Posted in Technical, Video Archive | Tagged , , , , , | 25 Comments

How items are structured

What is an item? An item is a logical “thing” that we present on one web page on An item may be one video file along with scans of the DVD cover, one book, one audio file, or a … Continue reading

Posted in Technical | 7 Comments

How Montana State Library Uploaded Batches of Digital Objects to the Internet Archive

by Chris Stockwell for Montana State Library, 12/29/2010 Introduction The Montana State Library (MSL) last year moved a copy of its collection of 3000 born digital state publications to the Internet Archive (IA). Since MSL will be continuing to upload … Continue reading

Posted in Books Archive, Technical | 10 Comments

New BookReader!

By mang We’re pleased to announce the release of our freshly re-designed BookReader on the Internet Archive. The updated BookReader has these great new features (links will take you to a live example): Redesigned user interface that maximizes the amount … Continue reading

Posted in Books Archive, Open Library, Technical | 23 Comments

The Fourth Generation Petabox

Behind all the cool stuff users see on is some serious hardware. I was curious about the ongoing development of data storage here at Internet Archive. I spent a little time with Mario, Master of the Machines, while he … Continue reading

Posted in News, Technical | 14 Comments

New Support for HTML5 audio tag!

We just rolled out the tag support option for our audio files (which is similar to our tag support that we have had as an option for a bit). So patrons can now opt to not use our flash plugin … Continue reading

Posted in Audio Archive, Technical | Tagged , | 7 Comments

better mp4 (h.264) derivatives at!

Late last week, we pushed live a new video deriving technique, as well as in the process updated our audio/video file reader, ffmpeg. New items will benefit from this newer method, and prior items can be re-derived by users if … Continue reading

Posted in Technical, Video Archive | Tagged , , , , , | 2 Comments

Project funded to add features to a Million books

The Center for Intelligent Information Retrieval at UMass Amherst, the Perseus Digital Library Project at Tufts, and the Internet Archive are investigating large-scale information extraction and retrieval technologies for digitized book collections. The NSF has awarded a grant of $2.7 … Continue reading

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Book Reader supports Zooming

Internet Archive’s web-based book reader now supports zooming and panning around books with their pages open. This is helpful for foldout maps. The books can be embedded into any webpage, and the software is all opensource so others can integrate … Continue reading

Posted in Announcements, Technical | Comments Off on Book Reader supports Zooming