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06/06/2022 1 Multimedia Synchronization In Distributed Environment Department of Information Technology School Of Technology, Assam University Silchar Presented By Deepak Gupta (31320025) B.Tech (IT) 6 th Sem Assam University , Silchar Guided By Mr. Sourish Dhar Assistant Professor Dept. of Information Technology www.i-world-tech.blogspot.in

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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Page 1: Multimedia synchronization

09/04/2023 www.i-world-tech.blogspot.in 1

Multimedia Synchronization In Distributed Environment

Department of Information TechnologySchool Of Technology, Assam University Silchar

Presented ByDeepak Gupta (31320025)B.Tech (IT) 6th SemAssam University , Silchar

Guided By Mr. Sourish Dhar Assistant Professor Dept. of Information Technology

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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.

Ex. Republic Day Parade

MULTIMEDIA SYNCHRONIZATION IN DISTRIBUTED ENVIRONMENT

SYNCHRONIZATION

DEFINATION :-

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MULTIMEDIA SYNCHRONIZATION IN DISTRIBUTED ENVIRONMENT

Synchronization is An Important Concept in The Following Fields :-

1. Computer science 2. Cryptography

3.Multimedia4. Music 5. Neuroscience6. Photography7. Physics 8. Synthesizers9. Telecommunication

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MULTIMEDIA SYNCHRONIZATION INDISTRIBUTED ENVIRONMENT

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 .

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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 Synchronization

2. Inter-Media Synchronization

3. Inter-Party Synchronization

MULTIMEDIA SYNCHRONIZATION INDISTRIBUTED ENVIRONMENT

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MULTIMEDIA SYNCHRONIZATION INDISTRIBUTED ENVIRONMENT

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 25 frames per second each of the frames has to be displayed for 40 ms .

Frames of a video sequence that shows a jumping ball

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MULTIMEDIA SYNCHRONIZATION INDISTRIBUTED ENVIRONMENT

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 .

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MULTIMEDIA SYNCHRONIZATION INDISTRIBUTED ENVIRONMENT

3. Inter-Party Synchronization :-

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

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MULTIMEDIA SYNCHRONIZATION INDISTRIBUTED ENVIRONMENT

Media Objects :- Texts , Graphics and Images , Audio ,Video etc..

Distributed Storage of Synchronization Information .

Distributed Storage of Media Objects . Communication Delays and Jitter .

Multi-Party Communication Patterns .

Distributed Environment :-

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MULTIMEDIA SYNCHRONIZATION INDISTRIBUTED ENVIRONMENT

Types of Temporal Relations Between Two Objects :-

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MULTIMEDIA SYNCHRONIZATION INDISTRIBUTED ENVIRONMENT

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 :-

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MULTIMEDIA SYNCHRONIZATION INDISTRIBUTED ENVIRONMENT

Synchronized Multimedia Integration Language (SMIL) :- SMIL (Pronounced "smile") Enables Simple Authoring

Of Interactive Audiovisual Presentations . 

SMIL is Typically Used for “Rich Media"/ Multimedia Presentations Which Integrate Streaming Audio And Video 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 http://www.w3.org/AudioVideo/

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THANK YOU……