T-111.2350 Multimedia Technology

Extra summer exam 19.6.2006.

Write the course name, date, your name, and your student number on each answer
paper.

1. Networked Multimedia Application Areas

What are the most important application areas of networked multimedia? Mention at
least six application areas and tell how networked multimedia can be applied on each
area.

2. Multimedia Terminal Java Environments

What Java platforms are used commonly in mobile phones and digital television?
What similarities and differences these environments have concerning the following
aspects:
 * applet loading and execution
 * data loading and storing
 * user interface
 * multimedia extensions
 * memory consumption and required processor performance

3. Sound Coding

Describe how sound coding is implemented in the following use cases:
 * CD disc
 * MP3
 * 3. generation mobile phone voice codec
In each case, tell on which principle the sound coding is based on and how it can be
implemented in practice. Which are the advantages and disadvantages of each
alternative?

4. Interchange Formats

Tell about so called multimedia track and object models:
 * What data structure each model is based on?
 * What purpose each model suits best?
 * Which model utilizes commonly so called events?
 * How the synchronization of the multimedia elements is typically implemented
   during the playing?
 * What advantages and disadvantages both models have?
 * Give at least one example of commonly used interchange format from both
   categories.

5. Internet Quality of Service Architectures

Which are the two most common Internet quality of service architectures? Which
protocols the architectures are based on? What both architectures typically require
from the routers? Which are the most important advantages in both architectures? And
disadvantages? Which architecture is better in your opinion (justify your selection)?