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Annodex is a way of embedding hyperlinks and timed metadata inside of Ogg Vorbis music, and Ogg Theora videos. There's a Mozilla Firefox extension for surfing annodex media at


For Debian folks there are two user packages in "unstable" that make it easy to try out *.anx annodex streams and a development package needed to build the AFE module for Firefox.

apt-get -t unstable install annodex-tools
apt-get -t unstable install libannodex0
apt-get -t unstable install libannodex0-dev

This package contains tools that can be used to create and modify Annodex media. The Annodex media format allows annotations and indexes in streaming media and other types of continuous data, which can be used for hyperlinked video amongst other things.

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Category: Software