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CIS 102 Introduction to Hardware and Software

CIS 102 Introduction to Hardware and Software. Chapter 2 Input and Output part 3 output devices. Audio Input and Output. A sound card is an expansion card that records sound, saves it in a file on your hard drive, and plays it back

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CIS 102 Introduction to Hardware and Software

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  1. CIS 102 Introduction to Hardware and Software Chapter 2 Input and Outputpart 3 output devices

  2. Audio Input and Output • A sound card is an expansion card that records sound, saves it in a file on your hard drive, and plays it back • A computer’s CD-ROM or DVD-ROM drive is attached to the sound card internally • A sound card can be an expansion card or embedded on a motherboard Chapter 6: Supporting Input, Output, and Multimedia Devices

  3. Internal Sound cards

  4. Sampling and Digitizing the Sound • The analog-to-digital converter digitizes the analog sound flowing to sound cards • Several factors in the sampling process affect the quality of the sound during playback: • Sampling rate • Audio resolution • Mono or stereo recording Chapter 6: Supporting Input, Output, and Multimedia Devices

  5. Microphone In

  6. Line In or Digital In

  7. Firewire and USB connection

  8. Line Out or Digital Out

  9. MP3 Players • A popular audio compression method is MP3, a method that can reduce the size of a sound file to make it significantly smaller and easier to transfer to and from computers and audio devices, without much loss of quality • An MP3 playeris a device that plays MP3 files Chapter 6: Supporting Input, Output, and Multimedia Devices

  10. MP3 Cycle

  11. Internal sound card

  12. External sound card

  13. Surround Sound

  14. Sound Quality

  15. Sound Blaster

  16. API Support

  17. Speakers

  18. Speaker System

  19. Active and Passive Speakers

  20. Power Output

  21. Signal-To-Noise Ratio

  22. Frequency Response

  23. Headphones

  24. Headsets

  25. Earbuds

  26. Noise Cancellation

  27. Frequency Response

  28. Videoconferencing

  29. Work with Video

  30. Speed and Resolution

  31. Software

  32. Motion Sensing Capabilities

  33. Wireless Web Cameras

  34. Digital Camera Capabilities

  35. Other Output Devices • Sends resistance to joystick or wheel in response to actions of user What is force feedback?

  36. Gaming Devices

  37. Types of Connectors

  38. Game Pad

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