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World wide networks give access to thousands of lively multilingual audiovisual  resources
Web:  Web TV , streamed archives on  broadcaster web sites
Broadcast networks: Satelite TV
Digital technology facilitates the management and use of accessible resources
Digital set top box, storage devices …
Indexation , navigation , hypermedia technology
Record  only closed-captioned broadcasted contents with a set top box
Split them in short clips
( 5 minutes each ) 
Extract closed-caption text from the videos
Encode broadcasted videos in order to stream them in a server
We choosed Real™ technology
500 kb/s ( ADSL compliant )