ssg_m10l33

ssg_m10l33 - Module 10 MULTIMEDIA SYNCHRONIZATION Version 2...

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Module 10 MULTIMEDIA SYNCHRONIZATION Version 2 ECE IIT, Kharagpur
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Lesson 33 Basic definitions and requirements Version 2 ECE IIT, Kharagpur
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Instructional objectives At the end of this lesson, the students should be able to: 1. Define synchronization between media objects. 2. Distinguish between time independent and time dependent media objects. 3. Define continuous media objects. 4. Define intra-object synchronization and inter-object synchronization 5. Define Logical Data Units (LDU) with examples. 33.0 Introduction In the previous lessons, we have discussed at length about some of the major components of multimedia communication, like images, video and audio. A multimedia presentation is always incomplete unless the individual media streams composing the presentation are presented in a meaningful way. This is addressed by multimedia synchronization, the topic of the current module. The present lesson first outlines some of the fundamental concepts and definitions related to multimedia synchronization. This is followed by a four layer synchronization reference model, which is needed to understand the various requirements for the run time mechanisms, identify interfaces between run time mechanisms and comprising the system solutions 33.1 Synchronization between media objects By now we clearly understand what is a media object, but we are required to understand what relationships should exist between the media objects in a multimedia presentation. The relationships may be temporal, spatial or content based. The word synchronization refers to time, but in a broader sense, the definition of synchronization could be extended to content or the spatial relationships. In a strict sense, multimedia synchronization would mean temporal relationships
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This note was uploaded on 12/16/2011 for the course CS cs102 taught by Professor Rsharma during the Spring '11 term at IIT Kanpur.

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ssg_m10l33 - Module 10 MULTIMEDIA SYNCHRONIZATION Version 2...

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