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Using Sound Media

In addintion to still image and video, sound is another powerful medium. Audio in a multimedia presdentation, just as graphics, can originate from a wide variety of sources—from commercial pre-recorded music or historical speeches, stand-alone sounds or part of a video, to narration recorded with a microphone connected to your computer.

Playback of audio usually involves a sound card, now built into most multimedia Windows systems. The quality of the sound will vary drastically depending upon whether the sound card supports 8-bit or 16-bit sampling resolutions. Most multimedia computers include 16-bit sound cards as a standard feature. Without getting too technical, a comparison between the two is similar to the difference between AM radio and compact disc audio.


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