The issue was born in 2001 at the University Centre for Languages at the University of Padova, with the aim to video record conferences and courses in different languages and scientific areas, to create a collection of original documents to be used in  languages teaching in different areas. The article considers technical and biblioteconomic aspects of creation, management and distribution of this kind f materials.
The project has had a great success, and won a national motion and a prize on teaching in libraries in 2002.