Hardware Components of a Multimedia System

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Presentation transcript:

Hardware Components of a Multimedia System

Computer System Components Processor – data processing and transfer Memory – RAM (128 or 256 MB) and hard-drive Monitor – resolution (# of pixels) Video card – color quality (# of colors) 8 bits = 256 colors 16 bits = 65,536 colors 24 bits = 16.7 million

Computer System Components Audio card – sound quality 16 bit standard Sampling – changing analog signal to digital signal

Computer System Components CD-ROM drive 650 MB Reads data and transfers it to computer Transfer rate: 1x = 150 kbps to 12x = 1800 kbps Seek time: 200 milliseconds (+/-) Hard drive 20+ gigabytes Transfer rate: 100 MB/s Seek time: 8.9 ms

Development Versus Playback Development systems Best product quality using fastest and most powerful computer Will also lower production cost by reducing production time Playback systems Computers in use. Mostly not at the high end of available technology

Typical Multimedia Development System Scanned image: from Multimedia Concepts – James Shuman

Development System Processor – min. Pentium 3 Memory – 256 MB RAM and up Video capture card – capture, digitize & store video Monitor Min 20” for detailed editing 2 monitors: to work and display as title is created

Development System Peripherals Scanner – flatbed, handheld, or negatives External storage: Syquest (135MB) Iomega zip (100 or 250 MB) Jaz drive (250 MB) External hard drive (60+ GB)

Development System Peripherals CD-RW Digital still camera Microphone Other components: Digital video camera DVD drive USB or fire-wire connections

Multimedia PC History MPC - specifications for hardware and software MPC logo: Software ran on MPC machines Developing software was less risky: Customer reassured what software would work for them Hardware was built to MPC specifications Developer knew MPC software would run on any MPC machine

MPC Comparison Level 1 Level 2 Level 3 2 Mb of RAM 4 Mb of RAM 386 / 16 Mhz 486 / 25 Mhz Pentium / 75 Mhz 30 MB hard drive 60 MB hard drive 540 MB hard drive 1 X CD-ROM 2 X CD-ROM 4 X CD-ROM 8 bit digital sound 16 bit digital sound 8 bit CD-quality sound 16 color video display 65,536 color video display

University of North Texas The End University of North Texas Dr. Vicky Cereijo