This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: Multimedia BSc Exam 2000 SOLUTIONS Setter: ADM CheckerACJ Additional Material: SMIL Language Description Sheet Answer 3 Questions out of 4 1. (a) What is meant by the terms Multimedia and Hypermedia? Distinguish between these two concepts. Multimedia ---- An Application which uses a collection of multiple media sources e.g. text, graphics, images, sound/audio, animation and/or video. Hypermedia --- An application which uses associative relationships among information contained within multiple media data for the purpose of facilitating access to, and manipulation of, the information encapsulated by the data. 2 MARKS ---- BOOKWORK (b) What is meant by the terms static media and dynamic media? Give two examples of each type of media. Static Media – does not change over time, e.g. text, graphics Dynamic Media --- Time dependent (Temporal), e.g. Video, sound, animation. 4 MARKS --- BOOKWORK (c) What issues of functionality need to be provided in order to effectively use a wide variety of media in Multimedia applications? Your answer should briefly address how such functionality can facilitated in general Multimedia applications. The following functionality should be provided: - Digital Representation of Media --- Many formats for many media - Capture: Digitisation of Media --- special Hardware/Software - Creation and editing --- assemble media and alter it - Storage Requirements --- significant for multimedia - Compression --- related to above and below, ie can save on storage but can hinder retrieval - Structuring and retrieval methods of media --- simple to advanced DataBase Storage - Display or Playback methods --- effect of retrieval must view data - Media Synchronisation --- display multimedia as it is intended 9 MARKS --- BOOKWORK (d) Different types of media will require different types of supporting operations to provide adequate levels of functionality. For the examples of static and dynamic media given in your answer to part 1(b) briefly discuss what operations are need to support a wide range of multimedia applications. A selection of the items below is reuired for good marks NOT ALL. Other Solns Possible? Typical Range of operations required for common media Text : Editing Formatting Sorting Indexing Searching Encrypting ABOVE REQUIRE: : Character Manipulation String Manipulation Audio : Audio Editing Synchronisation Conversion/Translation Filtering/ Sound Enhancing Operators Compression Searching Indexing ABOVE REQUIRE: : Sample Manipulation Waveform Manipulation Graphics : Graphic primitive Editing Shading Mapping Lighting Viewing Rendering Searching Indexing ABOVE REQUIRE: : Primitive Manipulation - Display or Playback methods --- effect of retrieval must view data - Media Synchronisation --- display multimedia as it is intended 9 MARKS --- BOOKWORK (d) Different types of media will require different types of supporting operations to provide adequate levels of functionality. For the examples of static and dynamic media given in your answer to part 1(b) briefly discuss what operations are need to...
View Full Document
This note was uploaded on 01/26/2012 for the course CM 0340 taught by Professor Davidmarshall during the Fall '09 term at Cardiff University.
- Fall '09