Transcript Teknologi Multimedia

Teknologi Multimedia
02 Pengantar Multimedia
19-02-08
Konsep dan terminologi
 Apa itu Multimedia?
► 1990-an: multimedia = teks + gambar
● Fax, scan:
– 200 dpi A4: 1700x2200, @ 1 B  3,74 MB
– 300 dpi A4  8,415 MB
● Teknik kompresi
 RLE  pengodean Huffmann  CCITT: group 3, 4, 5
► Conference :
● teks & dokumen (shared whiteboard)
● Video store & forward  email, desktop video conferencing
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Konsep dan terminologi
 Terminologi
► Multi = many
► Media = plural of medium = middle,
center, intermediary
► Multimedia:
● Combinations of text, graphic art,
sound, animation, video and other
kinds of elements.
● Multiple intermediaries
► What does Wikipedia say ?
 inter-disciplinary subject
involves a variety of different theories
and skills:
 Interactive multimedia
► When a viewer of a multimedia
presentation is allowed to control what
elements are delivered and when, it is
interactive multimedia.
 The word multimedia is used in various
fields in information handling:
Storing and processing in computing
Production in publishing
Distribution in ”mass media”
Transmission in telecommunications
Presentation in interaction between
people and systems
► Perception
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► computer technology, hardware and
software;
► arts and design, literature, presentation
skills
► application domain knowledge.
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Konsep dan terminologi
 Aplikasi
► Video teleconferencing, distributed
lectures,
► telemedicine, tele symphony
► White board, collaborative document
editing
► Augmented reality
► DVDs, digital movies, VOIP telephony
(Vonage, Skype) …
► Networked games
► Video on demand (from cable TV,
satellite etc.),
► IPTV (AT&T U-verse)
► Teknologi display, sound system,
home cinema, interaktif, VR,
gadget, virtual surgery,...
► Aplikasi presentasi:Powerpoint,
Flash, CBT, ...
► med apps: surgical proc, hi res x-ray
imaging
► real estate: online video clip w/
property desc
► mmda help & training material
► sec sys for employee identification
► virtual shopping
► Can you think of more applications?
► YouTube.com, founded in Feb 2005
● Every minute, 10 hours of video is
uploaded
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Konsep dan terminologi
 What is digital multimedia?
► ”Digital multimedia is the field
concerned with the computercontrolled integration of text,
graphics, still and moving images,
animation, sounds, and any other
medium where every type of
information can be presented,
stored and processed digitally.”
F. Fluckiger
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 Multisensory Systems
► Humans are multisensory.
● Sight, hearing, smell, touch and
taste.
● Visual media
● Audio media
► Advantages of multisensory
systems
● Appear more ”natural” and
”friendly”
● Redundantinformation more possible
● Complementaryinformation improves
memorization & concentration
● Emotionalinformation easier to
convey
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Konsep dan terminologi
 Klasifikasi Media
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Arsitektur Sistem Multimedia
 Struktur global
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Arsitektur Sistem Multimedia
 Struktur global
► Multimedia Elements :
● Sound, audio, voice and music
● Graphics, photographs and
images
● Text, and layout
● Full-motion video and animation
► Application domain: develop
multimedia applications:
► Supporting technology:
Technology that are needed
to support multimedia
applications:
● Data Compression
● Data and file format
● Multimedia input, output and
storage
● Multimedia and the Internet
● Multimedia application
development method
● Interface design and Software
tools— element processing tools,
authoring tools
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Teknologi digital
 Integrasi informasi digital:
►Karakteristik sistem multimedia
● Computer controlled
● Integrated
● Digitally represented information
● Optionally offer interactivity
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Teknologi digital
 Computer controlled
►Rather obvious
►One or several computers have to be involved in the
presentation of the information
►E.g. a CD-player is not a multimedia system
►What about iPod?
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Teknologi digital
 Computer controlled
► Rather obvious
► One or several computers
have to be involved in the
presentation of the
information
► E.g. a CD-player is not a
multimedia system
► What about iPod?
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Teknologi digital
 Informasi digital:
►Digitizing
● The transformation from an analog signal to a digital signal
● An analog signal varies continuously and is said to be analogues
to the measured value
►Conversion
►Draw back
►Presentation modes
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Teknologi digital
 Digitalisasi
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Elemen Multimedia
 Media:
►text, graphic, images,
video, sound, animation
 Elemen multimedia
► Text (format, styles)
► Graphic v.s. Image
► Still images (depth, format,
compression)
► Movie (frame rate, format)
► Sound (speech v.s nonspeech:
coding, recog, synth)
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 Diaplikasikan pada:
► Fax
► Document images
► Photographic images
► GIS Map
► Voice commands & voice
synthesis
► Audio messeages
► Video messages
► Full motion stored & live video
► Holographic images
► Fractals
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Kompresi Data
 Standards
 Non-lossy & lossy
 Hardware v.s. software
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Sistem komputer
 teknologi-teknologi penyokong (cpu, mem, storage,
display, …)
►Hypermedia, HDTV & UDTV, 3D & hologram, fuzzy
logic, DSP
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Database multimedia
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Storage & retriveal
DBMS
Organisasi
Transaction management untuk applikasi multimedia
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Question
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