B. Student B explains to Student A with the help of these notes what MPEG Video and how it operates. Be ready to answer the questions.

MPEG= method of compressing/decompressing video signals to reduce size by up to 95%

•Video sequence stored in video frames

•Intraframe (I-frame) every 1/3^rd second has most important picture information

•Between I-frames are predicted frames (P-frames) and bidirectional (B-frames) frames

•P- and B-frames store changes only

•P- and B-frames preserve video quality between I-frames

•Human eyes can’t detect information discarded

2. Search the Internet or use other reference sources and prepare a short report on the following multimedia terms: Ethernet, LAN, JPEG, Firewall, GIF, Presentation Graphics Program, Multipoint Videoconferencing, XGA (extended graphics array).

Project Work.

Follow these steps for making a short PowerPoint presentation to the class about modern multimedia and its use in your life.

1. Find a short article in a newspaper, magazine or on the Internet about a recent discovery in the multimedia sphere. Share it with your classmates.

2. Find an interesting video interview or information about resent breakthroughs in multimedia.

3. Interview your friends, relatives, group mates on how they use multimedia in their lives.

4. Talk about its role for a person in everyday life. Give examples.

5. Summarize your information and make conclusions.

UNIT 6. WORLD WIDE WEB: INTERNET, NETWORKS

COMPUTER TALKING

Work in pairs and answer the questions. Do new developments in information technology affect your life? Which of these phrases describes you?

· I’m an Internet addict.

· I have an Internet phobia.

· I use the Internet, but it doesn’t influence my life.

<== попередня сторінка	\|	наступна сторінка ==>
VOCABULARY	\|	Now take the quiz. Ask your partner about the answers to the quiz and compare them.

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