Subject
Session
Tahun
Versi
:
:
:
: T0934 / Multimedia Programming Foundation
13
2009
1/0

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Learning Outcomes
In the end of this session, students must be able to:
– Understand the overview of multimedia network communication and mobile multimedia
– Understand the basic principal of Java
2 Micro Edition

Outline
• Multimedia Network Communication
• Mobile Multimedia
• Java 2 Micro Edition (J2ME)
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Multimedia Network Communication
• Similar to computer network communication where both deal with data communication
• The different is multimedia data is known as continuous media , which is :
– Voluminous
– Real-Time and interactive
– Sometimes bursty
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Quality of Service (QoS)
•  a collective effect of service performances that determined the degree of satisfaction of that service’s user
• QoS for multimedia data transmission depends on many parameters such as :
– Data Rate
– Latency (maximum frame/packet delay)
– Packet loss or error
– Jitter (delay jitter)
– Sync Skew
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Mobile Multimedia
•  multimedia information exchange over wireless networks or wireless Internet.
• Increase in usage and development because :
– popularity and evolution of mobile computing devices
– fast, affordable mobile network
• Common programming language for mobile multimedia application  Java 2
Micro Edition (J2ME)
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Java 2 Micro Edition (J2ME)
• originally created in order to deal with the constraints associated with building applications for small devices
• a collection of technologies and specifications that can be combined to construct a complete
Java runtime environment specifically to fit the requirements of a particular device or market
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J2ME elements
Java ME elements configuration profile optional package provides the most basic set of libraries and virtual machine capabilities for a broad range of devices a set of APIs that support a narrower range of devices a set of technologyspecific APIs
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J2ME Configurations
• Divided into two base configurations :
– Connected Limited Device Configuration (CLDC) , for small mobile devices
– Connected Device Profile (CDC) for more capable mobile devices like smart-phones and set top boxes.
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CLDC
• 128K to 512K total memory available
• Limited power, often battery operation.
• Connectivity to some type of network, often with a wireless, intermittent connection and limited bandwidth
CDC
• At least 512K ROM and
256K RAM
• a device that can support a complete JVM implementation.

J2ME Profiles
• Personal Profile
– suitable for products that require full AWT compatibility and applet support (high end PDAS and embedded web browsers)
• Foundation Profile
– support resource-constrained devices without a standards-based
GUI system (network printers, routers, residential gateways, enterprise-class server applications)
• Mobile Information Device Profile
(MIDP)
– A profile, when combined with CLDC, provides a standard Java runtime environment for today's most popular mobile information device for mobile information devices (cellular phones and twoway pagers, and PDAs)
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Java Platform

Show Picture
Sample Code
Result
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Play Sound In J2ME
Sample Code
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Play Video In J2ME
Sample Code
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Sample Code
Result

References
• What's J2ME?. 2009. http://onjava.com/pub/a/onjava/2001/03/08/J2ME.html
• Java ME Technology. 2009. http://java.sun.com/javame/technology/index.jsp
• A Brief Look at Java 2 Micro Edition. 2009. http://www.wirelessdevnet.com/channels/java/features/j2 me.html
• Using Mobile Media API (MMAPI). 2008. http://today.java.net/pub/a/today/2005/09/27/j2me4.html?
page=2
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