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Multimedia Adapter Cards

Multimedia Adapter Cards. Chapter 10 Lowell Bass. Questions. What does a DAC do? What are the four basic parts of a Sound card? List three types of Multimedia Adapter cards. Name the parts of a Video card. True or False. A multimedia adapter card often has its own RAM.

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Multimedia Adapter Cards

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  1. Multimedia Adapter Cards Chapter 10 Lowell Bass

  2. Questions • What does a DAC do? • What are the four basic parts of a Sound card? • List three types of Multimedia Adapter cards. • Name the parts of a Video card. • True or False. A multimedia adapter card often has its own RAM.

  3. Multimedia Adapter Cards Overview • These types of cards produce the visual, audio as well as the other effects that are produced • by your computer • Examples: • Sound Card • Video Card • TV tuner • Radio tuner

  4. Sound cards • A sound card must convert analog sound into binary code and • vice versa • Four basic components on a sound card • Analog to digital converter • Digital to analog converter • Interface with computer(PCI for example) • I/O ports • Codec can be used in of place ADA and DAC

  5. More on Sound Cards • Not all motherboards have sound cards • Many laptops, for example have integrated sound • Sound cards generally sound better and than integrated sound • External Sound Cards available

  6. Video Cards • A VideoCard organizes the data given to into an array of pixels • This type of card has a processor memory and even a bios because of the complexity of its job • These cards also have a DAC connected directly to the RAM (RAMDAC)

  7. Other Cards • TV Tuners allow the user to record and play TV signals • These cards convert the signal into audio and video for the computer to display • They also insure audio and video is sycnhronized • Types of TV tuners include • Analog TV Tuners • Digital TV Tuners • Hybrid TV Tuners • Combination TV Tuners • Radio tuners also exist

  8. Common Features • Multi-media adapter cards usually have RAM on the card • All require an interface with the motherboard • With exception, external versions and versions integrated with the motherboard exist • Many have Digital to Analog converters and Analog to Digital converters

  9. Sources • http://computer.howstuffworks.com/sound-card.htm • http://computer.howstuffworks.com/graphics-card.htm • PowerPoint Chapter 10 • http://www.pcworld.com/article/118799/article.html?page=4 • http://www.ehow.com/how-does_4968644_tv-tuner-cards-work.html • http://www.ehow.com/how-does_4596852_tv-tuner-card-work.html

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