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“Linked Media: Weaving non-textual content into the semantic web” – Raphaël Troncy

Traditional media cunsumption (like TV) is declining and moving to the web. The question is: how can we make media into a first class object on the web?

Lots of issues: codecs, metadata, content protection and so on. Is there a viable OSS alternative?

Media Fragments WG

Case: media fragments identification and selective retrieval of media fragments, the goal of the Media Fragments WG of the W3C. Basic principles apply: fragment identification needs to be based on the URI.

There are four dimensions which define a fragment: time (point or interval), space (rectangle for now), track (video, audio, subtitles) and id (the unique name of the fragment).

The possibilities are limited by the container format can express (e.g. quicktime and such) Protocols include http, rtsp and a lot of proprietary protocols like mms, and the various p2p protocols.

Much of the fragment identification is already possible for the most important players in the market, but the syntax is not standard in any way.

Warning, hardcore geekery ahead… Read the rest of this entry »

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