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Introduction to Multimedia I

Introduction to Multimedia I. Multimedia. Multi = many, multiple Media = An intervening substance through which something is transmitted or carried on. Multimedia. Definition

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Introduction to Multimedia I

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  1. Introduction to Multimedia I

  2. Multimedia • Multi = many, multiple • Media = An intervening substance through which something is transmitted or carried on

  3. Multimedia • Definition • Multimedia refers to technologies and applications that integrate different types of media, such as text, sound, video, computer graphic, animation • Benefits: • It makes things interesting and entertaining to the users, i.e. Enclocypedia Britannica, Encarta, VR (Virtual Reality)

  4. Multimedia Component Picture Sound Text Multimedia Interaction Video

  5. Text • Content descriptions • Graphical Text • Common file format: • .pdf (portable document format) • .doc (MS-Word document) • .rtf (rich text format) • .htm or .html (hypertext markup language or web files) English for ICT

  6. Pictures • Still Images (Still Pictures) or Graphics including charts, photos, drawings, buttons, etc. • Common file formats: • .gif (graphics interchange format) • .jpg (jpeg – joint photographic experts group) • .bmp (bitmat picture) • .tif (tagged image file)

  7. Pictures • Animations are made up of a series of independent pictures put together in sequence to look like moving pictures • Common file formats: • .gif for animated gifts • .swf (shockwave flash) • for Flash files

  8. Sound • Digital Audio such as songs, movie soundtracks and speeches • Synthesizer Audio (MIDI) • Common file formats: • .wav (Windows wave audio format) • .ra (RealAudio file) • .mp3 (MPEG-1, Audio layer 3) • .mid (MIDI – Musical Instrument Digital Interface)

  9. Video • Video refers to recording, editing and displaying moving images • Common file formats: • .avi (audio video interleave) • .mov (QuickTime movie) • .wmv (Windows media video) • .mpg (MPEG – moving picture experts group) • MPEG-1 (VCD), MPEG-2 (DVD), MPEG-4

  10. Interaction Interactive see,hear

  11. Multimedia System Digital Devices Digital Devices Analog Devices Analog Devices Input Devices Output Devices

  12. Multimedia Input Devices • Digital Devices • Keyboard • Mouse • Scanner • CD/DVD • Digital Camera • Digital Video Camera (DV) • MIDI (Musical Instrument Digital Interface) • Magnetic Storage Devices (HardDisk, FloppyDisk) • Touch-Screen Monitor

  13. Multimedia Input Devices • Analog Devices • Microphone • Video Camera • Cassette Tape • Video Tape (VHS)

  14. Multimedia Output Devices • Digital Devices • Digital Monitor (CRT, LCD, LED) • Printer • Magnetic Storage Devices (HardDisk, Floppy Disk) • CD-R, CD-RW (DVD-R, DVD-RW) • CD Audio • VCD (Video Disc), DVD, Blu-ray • MIDI (Musical Instrument Digital Interface)

  15. Multimedia Output Devices • Analog Devices • Speaker • Analog Monitor (TV) • Video Recorder (PAL, NTSC, SECAM)

  16. Multimedia Computer • Microcomputer • Monitor • Video Board • CD-ROM (DVD-ROM) • Sound Board • Microphone • External Speaker • Application Software • Mouse , Keyboard

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