l Compiz Some Demonstration Scenes What is Demonstration

l Compiz

Some Demonstration Scenes

What is Demonstration Scene? Non-interactive presentation with video and audio run in real-time. l Demonstration of programming skill, arts, and, music editing. l

Demonstration Scene Usually, CPU/GPU power and storage are essential to generate beautiful real-time scene. (not video, I mean…) l For example, the computer games you play… l ¡ ¡ Before 1995, most games can be easily stored into a CD -ROM. (They are just tens of MB) Some games nowadays cannot be stored simply with a DVD-ROM. l A criticized game “Grand Theft Auto 4” requires a blu-ray disc to be effectively stored. Hence, it took some efforts to make it playable on XBOX 360 since it still use DVD!

Demonstration Scene l Some demo scenes have very tiny size (several ~ tens of k. B). l 3 D objects, visual effects, text, and music are all combined in demo scenes. l Some demo scenes requires hardware acceleration.

Some Other Variation… l A 96 k. B first-person shooting game: . kkrieger

Program Skill Coding for audio. Consider a CD-quality music compressed to several k. B. l Godlike skill of programming and algorithm. l Concept of art also plays an important role. l

Conclusion l. A tiny executive file may contain great amount of contents. l Think of your homework. Almost all of them have larger size. l Similarly, please don’t open unknown file from the Internet even if their size is very tiny.