CIS 102Introduction to Hardware and Software Chapter 2 Input and Output part 3 output devices.
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CIS 102 Introduction to Hardware and Software Chapter 2 Input and Output part 3 output devices
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Transcript of CIS 102Introduction to Hardware and Software Chapter 2 Input and Output part 3 output devices.
CIS 102 Introduction to Hardware and Software
Chapter 2 Input and Outputpart 3 output devices
2
Chapter 6: Supporting Input, Output, and Multimedia Devices
3
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
Internal Sound cards
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Chapter 6: Supporting Input, Output, and Multimedia Devices
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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
Microphone In
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Line In or Digital In
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Firewire and USB connection
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Line Out or Digital Out
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Chapter 6: Supporting Input, Output, and Multimedia Devices 11
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 player is a device that plays MP3 files
MP3 Cycle
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Internal sound card
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External sound card
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Surround Sound
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Sound Quality
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Sound Blaster
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API Support
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Speakers
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Speaker System
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Active and Passive Speakers
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Power Output
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Signal-To-Noise Ratio
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Frequency Response
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Headphones
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Headsets
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Earbuds
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Noise Cancellation
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Frequency Response
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Videoconferencing
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Work with Video
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Speed and Resolution
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Software
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Motion Sensing Capabilities
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Wireless Web Cameras
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Digital Camera Capabilities
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Other Output DevicesWhat is force feedback? Sends resistance to joystick or wheel in response to
actions of user
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Gaming Devices
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Types of Connectors
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Game Pad
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Joystick
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Racing Wheel
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Wii 7th Generation Game System
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Wii Name
• Code Name “Revolution” until April 27, 2006• First home console marketed outside Japan
without company name• The two lower case I’s represent people
standing side by side – players gathering together
• Emphasizes it is for ‘Everyone’
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Bluetooth Wireless Devices
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About Bluetooth Devices
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Add Bluetooth to Computer
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Common Bluetooth Devices
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Non-Bluetooth Wireless Devices
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