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TTM4142 Networked Multimedia Systems
Introduction to Multimedia
Leif Arne Rønningen
Autumn 2008
The concept of multimedia
• Multi – many
• Media – ’something in the middle’
• Means to ’shoot’, process, distribute, store, present
and perceive information coded as
– Video, audio, animation, graphics, text,,,
• A multimedia System is characterized by
the integration of computer-controlled
handling of independent discrete and
continuous media
Continuous and Discrete media
• ’Continuous’ refers to the user’s perception of presented
time-dependent data
– Examples: Video, music, other audio, animated
• Discrete media are time-independent data
– Examples: Plain text, spreadsheet, still image, graphics
Human perception (from Wikipedia)
The human sensory system is usually said to have six senses:
Hearing is the sense of sound that comes into our ears.
Sight is the sense of seeing things with our eyes.
Touch is the sense of feeling things with our skin.
Taste is the sense of the flavor of things with our tongues
Smell is the sense of smelling things with our noses.
Kinesthetic sense is knowing where your whole body is and where it is
• A valid seventh sense is the immune system's ability to detect invading
virus and bacteria.
7 minutes Cooperative Learning
• Form groups of 2-3 students
• Which of these systems are multimedia systems?
– Television System
– DVD player (playing a disc)
– A movie
– PC
– Internet
– Internet with Web
– GSM mobile telephone system
– A newspaper (with text and images)
• A one-minute report from groups