Multimedia synchronization


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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.

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Multimedia synchronization

  1. 1. 5/17/2013 1Department of Information TechnologySchool Of Technology, Assam University SilcharPresented ByDeepak Gupta (31320025)B.Tech (IT) 6th SemAssam University , SilcharGuided ByMr. Sourish DharAssistant ProfessorDept. of Information
  2. 2. Synchronization is The Co-ordination of The Events ToOperate A System in Unison .Systems operating with all their parts in synchrony aresaid to be synchronous or in sync.Ex. Republic Day Parade5/17/2013 2SYNCHRONIZATION DEFINATION
  3. 3. 5/17/2013 3 Synchronization is An Important Concept in The Following Fields :-1. Computer science2. Cryptography3. Multimedia4. Music5. Neuroscience6. Photography7. Physics8. Synthesizers9.
  4. 4. 5/17/2013 4 MULTIMEDIA SYSTEM :-A system or application thatsupports the integrated processingof several media types .MULTIMEDIA SYNCHRONIZATION:-Synchronization in multimediasystem refers to the temporalrelations between media objects in amultimedia system
  5. 5. 5/17/2013 5 Two type of media data :-1.Continuous : Time-DependentEx :- Real-Service (Live Video)2.Discrete : Time-IndependentEx :- Text or Graphic Three Levels Of MM Synchronization :-1. Intra-Media Synchronization2. Inter-Media Synchronization3. Inter-Party
  6. 6. 5/17/2013 61. Intra-Object Synchronization :-Time Relation Between Various Presentation Units of One Time-DependentMedia ObjectEx : Time relation between the single frames of a video sequence. For a video witha rate of 25 frames per second each of the frames has to be displayed for 40 ms .Frames of a video sequence that shows a jumping
  7. 7. 5/17/2013 72. Inter-Object Synchronization :-The Synchronization Between Media Objects .Ex : Time Relations of A Multimedia Synchronization That Starts WithAudio/Video Sequence , Followed By Several Pictures And An Animation That isCommented By An Audio Sequence
  8. 8. 5/17/2013 83. Inter-Party Synchronization :-Also Known As Event SynchronizationMaintains The Inter-Media and/or Intra-MediaSynchronization Among Different ParticipantsAt Distributed Locations .Ex. Remote LearningVideo
  9. 9. 5/17/2013 9 Media Objects :-Texts , Graphics and Images , Audio ,Video etc.. Distributed Storage of SynchronizationInformation . Distributed Storage of Media Objects . Communication Delays and Jitter . Multi-Party Communication Patterns . Distributed Environment
  10. 10. 5/17/2013 10 Types of Temporal Relations Between Two Objects
  11. 11. 5/17/2013 11 Logical Data Unit (LDU) Hierarchy :-LDU is the unit of a media stream. Different streams have different LDU size. Example of Video/Audio/User-Defined LDU
  12. 12. 5/17/2013 12 Synchronized Multimedia Integration Language (SMIL) :- SMIL (Pronounced "smile") Enables Simple AuthoringOf Interactive Audiovisual Presentations . SMIL is Typically Used for “Rich Media"/ MultimediaPresentations Which Integrate Streaming Audio AndVideo With Images , Text Or Any Other Media Type . SMIL is An Easy-To-Learn HTML- Like Language . SMIL Presentations Are Written Using A Simple Text-Editor . More Details
  13. 13. 5/17/2013