SYNCHRONIZATION
Synchronization is The Co-ordination of The Events To Operate A System in
Unison . Systems operating with all their parts in Synchrony are said to be
Synchronous or in Sync.
Ex. Republic Day Parade, Multimedia Synchronization etc
Synchronization is An Important Concept in The Following Fields
1. Computer science
2. Cryptography
3. Multimedia
4. Music
5. Neuroscience
6. Photography
7. Physics
8. Synthesizers
9. Telecommunication
MULTIMEDIA SYSTEM
A System or Application That Supports The integrated Processing of
Several media types .
MULTIMEDIA SYNCHRONIZATION
Synchronization in Multimedia System Refers To The Temporal Relations
between Media Objects in a Multimedia System .
Two Type of Media data
1.Continuous : Time-Dependent
Ex :- Real-Service (Live Video)
2.Discrete : Time-Independent
Ex :- Text or Graphic
Three Levels Of MM Synchronization
1. Intra-Media Synchronization
2. Inter-Media Synchronization
3. Inter-Party Synchronization
1. Intra-Object Synchronization
Time Relation Between Various Presentation Units of One Time Dependent
Media Object .
Ex : Time relation between the Single Frames of a Video Sequence. For
a Video With a Rate of 40 Frames Per Second Each of The Frames has
To be displayed For 25 ms .
2. Inter-Object Synchronization
The Synchronization between Media Objects.
Ex : Time Relations of A Multimedia Synchronization That Starts
With Audio/Video Sequence, Followed By Several Pictures and an Animation
That is commented by an Audio Sequence.
Also Known As Event Synchronization.
Maintains The Inter-Media and/or Intra-Media Synchronization Among
Different Participants at Distributed Locations.
Ex. Remote Learning
Video Conferencing
Media Objects
Texts , Graphics and Images , Audio ,Video etc..
Distributed Environment
1. Distributed Storage of Synchronization Information .
2. Distributed Storage of Media Objects .
3. Communication Delays and Jitter .
4. Multi-Party Communication Patterns .
Types of Temporal Relations Between Two Objects
LDU is the unit of a media stream. Different streams have
Different LDU size.
Synchronized Multimedia Integration Language (SMIL)
1. SMIL (Pronounced "smile") Enables Simple Authoring Of Interactive
Audiovisual Presentations .
2. SMIL is Typically Used for “Rich Media"/ Multimedia Presentations
Which Integrate Streaming Audio And Video With Images , Text Or
Any Other Media Type .
3. SMIL is An Easy-To-Learn HTML- Like Language .
4. SMIL Presentations Are Written Using A Simple Text-Editor .
NOTE:
For Detailed Study of the Multimedia Synchronization you Refer the Following Presentation..
Thank You To All My Reader
Deepak Gupta
www.i-world-tech.blogspot.in
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