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Chapter 24. Advanced Mulitmedia Presentations > Understanding Video and Audio

Understanding Video and Audio

Audio and video are at the heart of PC-based multimedia, and can help add excitement to presentations. However, both video and audio can be difficult to work with, because they both require knowledge of editing tools in order to create appropriate clips. Video, for example, requires significant system resources, as well as some compromises in order to maintain smooth playback. Audio, meanwhile, can grab attention at key junctures.

Understanding Video Formats and Compression

To play on a PC, digital video must be presented in a recognizable format. For Windows 95, that format is Microsoft's Video for Windows, which uses the familiar AVI file extension. The other popular format, Apple's QuickTime, is used with many multimedia CD-ROM titles. To recognize Video for Windows AVI files and QuickTime for Windows MOV files, your system must have the proper drivers and software loaded.


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