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Explore the integration of text, sound, video, and graphics with multimedia technologies. Learn about different media formats, file types, benefits, and components that make multimedia engaging and interactive. Enhance your understanding of the multimedia world!
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Multimedia • Multi = many, multiple • Media = An intervening substance through which something is transmitted or carried on
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)
Multimedia Component Picture Sound Text Multimedia Interaction Video
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
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)
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
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)
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
Interaction Interactive see,hear
Multimedia System Digital Devices Digital Devices Analog Devices Analog Devices Input Devices Output Devices
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
Multimedia Input Devices • Analog Devices • Microphone • Video Camera • Cassette Tape • Video Tape (VHS)
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)
Multimedia Output Devices • Analog Devices • Speaker • Analog Monitor (TV) • Video Recorder (PAL, NTSC, SECAM)
Multimedia Computer • Microcomputer • Monitor • Video Board • CD-ROM (DVD-ROM) • Sound Board • Microphone • External Speaker • Application Software • Mouse , Keyboard