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Multimedia Hardware. Display Devices, Scanners, Digital Cameras, Digital Camcorders, Web Cameras . Display Devices. Computer Monitor CRT Monitor LCD Monitor Touch Screen Plasma Projector Ceiling Mounted LCD Projector Presentation Cart Document Camera. Scanners.

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multimedia hardware

Multimedia Hardware

Display Devices, Scanners, Digital Cameras, Digital Camcorders, Web Cameras

display devices
Display Devices
  • Computer Monitor
    • CRT Monitor
    • LCD Monitor
    • Touch Screen
    • Plasma
  • Projector
    • Ceiling Mounted LCD Projector
    • Presentation Cart
    • Document Camera
scanners
Scanners
  • A scanner captures images from photographic prints, posters, magazine pages etc.
  • There are two types of scanner

Film Scanner

Flatbed Scanner

digital camera
Digital Camera
  • A digital camera records and stores photographic images in digital format
  • Once a picture is taken, it is stored in the digital camera’s buffer and is compressed into JPEG format
  • The compressed image is transferred to the memory card
  • The images can be fed to a computer for further processing
dv camcorders
DV Camcorders
  • A DV Camcorder, or called a digital video camera, captures full-motion images and sound into digital data
  • The CCD (Charged Coupling Device) in a DV camcorder is used to capture video
    • The quality of video a digital video camera (resolution) can produce depends on the amount of detail the CCD can detect
    • Measured in pixels (in terms of Mega pixels (e.g. 1488 times 1728)
  • The captured video is exported to the video editing software for further processing
hard drive camcorders
Hard Drive Camcorders
  • No tapes, no discs, it stores video and images (photos) on an internal hard disk drive
  • The video file can be transferred to a PC
  • 30GB can store up to 7 hours of DVD quality video
web cameras
Web Cameras
  • A Web camera is a device that allows you to send real time video over the Internet. You can also use a Web camera to record videos that you can save on your computer
  • The quality of the images produced by a Web camera is determined by its resolution and speed
    • Web cameras can commonly transfer video a speed of 15 frames per second and a resolution of 640 x 480 pixels or a speed of 30 frames per second at a resolution of 352 x 288 pixels
  • Web camera are often used for videoconferencing
    • Videoconferencing allows you to have face-to-face conversations with people on the Internet or other networks
dvd recorder
DVD Recorder
  • transfer video from TV or camcorder to DVD discs
  • DVD formats:
    • DVD+RW, DVD+R supported by PHILIPS & SONYDVD+R
    • DVD-RW,DVD-R supported by PIONEER
    • DVD RAM supported by PANASONIC
mpeg4 player pocket tv pma
MPEG4 Player (Pocket TV, PMA)
  • MPEG4 is a digital compressed format in coding audio-visual information
digital audio recorders
Digital Audio Recorders
  • MD Recorder
    • Sound is recorded digitally on a small magneto optical disc contained in a protective shell (called a Mini-Disc)
    • Record sound in high quality (at audio CD quality)
    • The audio data can be loaded to a computer
  • MP3 Recorder
    • Suitable for low-quality voice-only materials
    • The audio data can be loaded to a computer very efficiently
mp3 player
MP3 Player
  • recent evolution of music format
  • fit into a device about the size of a deck of cards
  • create personalized music lists and carry thousands of songs and recordings wherever we go.
capturing multimedia contents demonstration

Capturing Multimedia Contents(Demonstration)

Capturing Audio (Audacity)

Editing Sound: http://www.fed.cuhk.edu.hk/etu/howto/sound/sound.htm

Capturing Video (Pinnacle Studio)

http://www.fed.cuhk.edu.hk/etu/howto/capture/capture_eng.htm

On-line help for MMPC:

http://www.fed.cuhk.edu.hk/~etu/mmpc.html

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