Yaaka Digital Learning Network

Multimedia Technology Part 1

2 STUDENTS ENROLLED

In this course, we will study the basics of the multimedia system and of the different elements of the multimedia system.

The theories  of  Authoring  systems,  its  tools  and  development  areas  have  also  been discussed  in  this  course.  This  course  also  considers  the  concept  of  Video Conferencing  and  the  protocols  in  Multimedia  such  as  the  real  time  transfer protocol,  session  control  protocol  etc.

It  goes  beyond  the  traditional  access network   processes   to   discuss   technological   developments   such   as   Cable Television, Digital Subscriber lines, digital television etc.

The  overall  aims  of  this  course  are  to  introduce  you  to  the  history  and components of the Multimedia Technology. The fundamentals of Digital audio, video, images and colours are equally discussed.

There are five modules in this course; each module consists of at least 4 units of topics that you are expected to complete in 2 hours.

The five modules and their units are listed below.

What You will Learn in this Course
The overall aims and objectives of this course are to provide guidance on what you should be achieving in the course of your studies.

Each unit also has its own unit   objectives   which   state   specifically   what   you   should   achieve   in   the corresponding unit. To evaluate your progress continuously, you are expected to refer to the overall course aims and objectives as well as the corresponding unit objectives upon the completion of each.

Course Aims

  • The overall aims and objectives of this course will help you to:
  • Develop  your  knowledge  and  understanding  of  the  underlying  concepts and theories of the Multimedia System.
  • To outline and critically analyze the different elements of the Multimedia System.
  • Develop  your  competence  in  understanding  the  concept  and  developing applications of Multimedia Technology.
  • Provide the necessary details on how multimedia data are represented, stored, compressed and used;

Course Objectives
It is pertinent to note that each unit has precise objectives. Students should learn them  carefully  before  proceeding  to  subsequent  units.  Therefore,  it  may  be useful  to  refer  to  these  objectives  in  the  course  of  your  study  of  the  unit  to assess  your  progress.  You  should  always  look  at  the unit  objectives  after completing  a  unit.  In  this  way,  you  can  be  sure  that  you  have  done  what  is required of you by the end of the unit. However, below are overall objectives of this course. On successful completion of this course, you should be able to:

  • Discuss the history of Multimedia
  • Give a concise definition of  Multimedia
  • Identify the desired features of the Multimedia System
  • Explain the term “Multimedia Hardware ”
  • Outline the types of Multimedia Hardware.
  • Explain what the Software is
  • State the significance of a software in Multimedia System
  • Explain the concept of Digital Audio
  • Identify the difference between a digital and analogue audio system
  • Explain the principles of  Video compression
  • Identify ways to create digital images
  • Explain the Basics of Color
  • Discover the benefits and challenges of using Colors
  • Define the term Authoring System
  • Outline and state the features of an Asynchronous Transfer Mode(ATM)
  • Describe the Routing process
  • Explain the concept of Video Conferencing
  • Describe the Internet Telephony Service  and the Computer Telephony Integration
  • Discuss the concept and features of a Digital Subscriber Lines

Working through this Course
We designed this course in a systematic way, so you need to work through it from Module one, Unit 1 through to Module five, Unit four. This will enable you appreciate the course better.
Course Materials
For this course, you will require the following materials:
1) The course guide :
2) Study units which are twenty-one (21) in number
3) Textbooks recommended at the end of the units and
4) The presentation schedule

Course Curriculum

UNIT 4 ATM – Multimedia Systems Technology 00:40:00
In the previous unit we examined the quality of Service and the types of services associated with it. Here, we will be looking at ATM, the Asynchronous transfer Mode in Multimedia Technology. Do make the most of your studies.2.0 OBJECTIVESAt the end of this unit, you should be able to:Identify what an ATM isState the typical features of the Asynchronous transfer Mode
UNIT 3 MULTIMEDIA COMMUNICATIONS – Multimedia Systems Technology 00:40:00
Within a communications network, multimedia applications require interactive or distribution services. Interactive services are divided into conversational, messaging and retrieval services. This unit presents the concept of Quality of Service and explains the types of services available within the quality of service.2.0 OBJECTIVESWhat you would study in this unit, would make it possible for you to:Give a concise definition of a QoSState the advantages of a Differentiated ServicesIdentify the features of an Integrated Services
UNIT 2 AUTHORING SYSTEM – Multimedia Systems Technology 00:40:00
In this module, we will focus on the different media Systems technology. We will equally consider the authoring system and the different authoring tools.2.0 OBJECTIVESWhat you will study in this unit, would enable you:Define the term Authoring SystemList the Authoring ToolsIdentify the key role of the authoring system in the multimedia technology.
UNIT 1 MULTIMEDIA COMPRESSION – Multimedia Systems Technology 00:40:00
Multimedia compression is a broad term that refers to the compression of any type of multimedia (i.e. combination of media and content forms), most notably graphics, audio, and video. In this unit, we shall treat the concepts of Multimedia Compression. We shall consider the different categories of compression and the similarities between them.2.0 OBJECTIVESAt the end of this unit, you should be able to:Describe the concept of Multimedia CompressionExplain the differences in the different categories of Multimedia CompressionDiscuss the principle of video compression
UNIT 4 COLOUR -Elements of multimedia 00:40:00
In this unit we will be learning about the basics of colour. We would also bring to light the benefits and challenges of using colour as well as the guidelines for using colours. Hope you will be able to grasp the key points.2.0 OBJECTIVESWhat you would study in this unit, would enable you to:Explain the basics of ColoursDiscover the science of ColoursDiscuss the benefits and challenges of using Colour
UNIT 3 IMAGE-Elements of multimedia 00:00:00
Now that you’ve been introduced to two elements of the multimedia system, we will now consider Images as another element of the multimedia systems.2.0 OBJECTIVESAt the end of this unit, you should be able to:Describe what a digital Image is?Identify the ways to create digital ImagesState the difference between an image and a digital ImageList the ways to process the Digital Image.
UNIT 2 VIDEO-Elements of multimedia 00:40:00
A still image is a spatial distribution of intensity that is constant with respect to time.Video, on the other hand, is a spatial intensity pattern that changes with time. Another common term for video is image sequence, since video can be represented by a time sequence of still images. Video has traditionally been captured, stored and transmitted in analog form. The term analog video signal refers to a one-dimensional (1-D) electrical signal of time that is obtained by sampling the video intensity pattern in the vertical and temporal coordinates and converting intensity to electrical representation. The unit will equally analyse the principles and application of video.2.0 OBJECTIVESAt the end of this unit, you should be able to:Describe the features of a VideoExplain the need of a Video in the Multimedia System
Unit 1 DIGITAL AUDIO-Elements of multimedia 00:00:00
UNIT 5 NETWORK-Introduction to Multimedia Technology 00:50:00
Networking involves connecting computes to create a for the purpose of sharing information and resources. Even though the concept is basic, a great deal of technology is required to one computer to connect and communicate with another. In this unit, you learn about the fundamental concepts that drive all networks and understand why networking is so important in an organisation.OBJECTIVESGive a concise definition a networkList and discuss the different topology of networkDescribe the characteristics of the different network topologiesDifferentiate between the client server and peer-to peer styles of network
UNIT 4 SERVER COMPUTER-Introduction to Multimedia Technology 00:40:00
In this unit, we shall focus on the definition of a computer server. We will equally consider the different types of the specialised server.2.0 OBJECTIVESAt the end of this unit, you should be able to:Identify what a Server isList and explain the different types of specialised Server.Differentiate between the different types of servers listed below.
UNIT 3 MULTIMEDIA SOFTWARE-Introduction to Multimedia Technology 00:40:00
Computer software, or just software, is a collection of computer programs and related data that provide the instructions telling a computer what to do and how to do it. Software is, in a way invisible, and therefore not recognized as important in an electronic imaging system. Software is just as important as hardware, however, because the hardware will not function without it. The "brains" of the system, software includes the instructions, procedures, and system supervisor in an electronic form.2.0 OBJECTIVESBy the end of this unit, you should be able to:·Explain what software isState the significance of software in the multimedia systemList the functions of a Software
UNIT 2 MULTIMEDIA HARDWARE-Introduction to Multimedia Technology 00:00:00
A multimedia system is not different from any other type of computer system except for its ability to process multimedia data. Thus, it should have features that can process audio, video, graphics and animation. In this Unit and the following, we will be considering the components (Hardware and Software) required for a multimedia system2.0 OBJECTIVESAt the end of this unit, you should be able to:Explain the term “Multimedia Hardware”Outline the different types of Multimedia HardwareDescribe the difference between the types of multimedia systems
UNIT 1 OVERVIEW OF MULTIMEDIA TECHNOLOGY-Introduction to Multimedia Technology 00:00:00
INTRODUCTIONThe term "multimedia" describes a new application-oriented technology that is based on the multisensory nature of humans and the evolving ability of computers to convey diverse types of information. Fundamental to this technology is the ability to manipulate digital forms of audio and video information in the realm of the computer.Multimedia requires integrating storage, communication and presentation mechanisms for diverse data types in a single technology. This unit will introduce you to the multimedia basics. It will also provide an overview of the essential aspects of multimedia. Thus, it is recommended that you go through the entire module systematically to gain some insight of the course.2.0 OBJECTIVESAt the end of this unit, you should be able to:Give a concise definition of multimediaDiscuss the history of multimedia technologyIdentify the desired features of a multimedia System.

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