media @ VU

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technology

Multimedia is an area that abounds with facts, acronyms and technology. You must have a basic knowledge of the most common concepts and abbreviations. You must also know some facts, concerning the application of multimedia and the technology it involves.

technology (1)

• Give a brief sketch of the development of digital entertainment.
• Characterize: HDTV, SDTV, ITV.
• Discuss convergence with respect to platforms.
• Discuss convergence with respect to delivery.

technology (2)

• Discuss which developments make a large scale application of multimedia information systems possible.
• Give a characterization of an object, a query and a clue in an information space.
• Describe the Dexter Hypertext Reference Model.
• Give a description of the Amsterdam Hypermedia Model.

technology (3)

• What is the data rate for respectively (compressed) voice, audio and video?
• Explain how a codec functions.
• Which considerations can you mention for choosing a compression method?
• Give a brief description of: XML, MPEG-4, SMIL, RM3D

technology (5)

• Give a definition of: shape descriptor and property descriptor. Give an example of each.
• How would you define edit distance?
• Characterize the notions precision and recall.
• Give an example (with explanation) of a frequency table.

technology (6)

• What are the parameters for signal-based (audio) content?
• Give an example of the representation of frame-dependent en frame-independent properties of a video fragment.
• What are the elements of a query language for searching in video libraries.
• Give an example (with explanation) of the use of VideoSQL.

technology (7)

• Describe (the structure of) a video database, using media abstractions.
• Give a (formele) definition of the notion of a structured multimedia database.
• Give an example (with explanation) of querying a hybrid multimedia database.
• Define (and explain) the notion of virtual objects in networked multimedia.

technology (8)

• Give a brief characterization of: VRML.
• What is a viewpoint transformatie?
• What kinds of navigation can you think of?
• How may intelligent avatars be realized? Give an example.

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(C) A. Eliëns 21/5/2007

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