Multimedia and Graphics

AIMS
To provide the students with an opportunity to acquire knowledge, skill and attitude in the field of multimedia and applications with a special emphasis on:
• Basics of multimedia
• Applications, benefits and problems of using multimedia
• Multimedia hardware/software essentials
• System components, development tools and image used in multimedia
• Audio in multimedia
• Video in multimedia
• Basics of Graphics.
• Image Processing
• Scan Converting Process.
• Two & Three dimensional transformation
• Concept of Projection.

SHORT DESCRIPTION
Basics of multimedia; Application, benefits and problems of using multimedia; Multimedia hardware and software essentials; System components in developing multimedia; Development tools for multimedia application; Text & Image used in computer application; Techniques and processes of image conversion; Basics of sound in multimedia; Sound recording; Sound processing; Basics of video in multimedia; Video recording; Video processing; Basics of Graphics; Image Processing; Scan Converting Process; Two dimensional transformation; Concept of Projection.

DETAIL DESCRIPTION

Theory:

1 Understand the basics of multimedia.
1.1 State multimedia and multimedia systems.
1.2 Describe the history of multimedia.
1.3 Classify multimedia.
1.4 Mention the field of application of multimedia.
1.5 Describe the benefits of multimedia in key areas (Training, sales, communications, medical).
1.6 Describe the problems of multimedia (based on investment cost, technical barriers, social & psychological barriers and legal problems).

2 Understand the multimedia hardware/software.
2.1 List the Hardware & Software used in a Multimedia System.
2.2 Define multimedia studio.
2.3 Describe the industrial standards and specifications of a typical multimedia configuration.
2.4 Describe the importance of “Plug and Play” revolution and MMX (Multimedia extension) technology.
2.5 Describe the important features of different categories of multimedia Software.
2.6 Describe different types of development tools for multimedia applications.

3 Understand the system components in developing multimedia.
3.1 Mention the components of a multimedia system
3.2 Describe the architecture of a multimedia system
3.3 Describe the function of basic delivery system of multimedia platforms.
3.4 Describe the input subsystem functions with block diagram.
3.5 Describe the output processing subsystem with block diagram.

4 Understand different Media and media process system in multimedia.

4.1 Define discrete and continuous media.
4.2 Describe the discrete media process system in multimedia.
4.3 Define sampling, sampling interval, quantization and quantization error.
4.4 Describe the digitizing process of audio & video signal.
4.5 Define Vectorisation.
4.6 Describe the steps of vectorization.

5 Understand the Text, images & processes of images used in Multimedia
5.1 Define Text & Image
5.2 Describe the importance of text in multimedia
5.3 Mention the general features of different types of images used in computer application.
5.4 Describe the image data representation in multimedia system
5.5 Describe RGB and CMY color model.
5.6 State compression & image compression.
5.7 Describe the lossless image compression technic (Run length coding)
5.8 Describe the lossy image compression technic (Cosine Transform based coding)
5.9 Mention the important features of Bitmap, JBIG and JPEG.

6 Understand the basics of sound in multimedia.
6.1 Mention the importance of audio in multimedia application.
6.2 Describe the file formats to store digital audio and MIDI data.
6.3 Describe the audio data representation in multimedia system
6.4 Describe the configuration of sound system with block diagram.
6.5 Describe the function of Musical Instrument Digital Interface (MIDI) in multimedia system.
6.6 Describe the important aspects of audio compression.

7 Understand sound processing & sound recording in multimedia.
7.1 Mention the importance of sound processing in multimedia development.
7.2 Mention the imperfections of sound processing.
7.3 Define destructive and non-destructive sound processing
7.4 List different components of sound recording system.
7.5 State the important aspects of hardware and software for sound recording.
7.6 List different sound recording software.
7.7 Differentiate between monophonic and stereo recording.
7.8 Mention the problems in digital recording process.
7.9 Describe the disk space requirements for digital recording.

8 Understand the basics of video in multimedia.
8.1 Mention the importance of video data in multimedia application.
8.2 Describe the planning stages for video incorporation into a multimedia project.
8.3 Describe the important aspects of converting video for the computer.
8.4 Describe the configuration for video system with block diagram.
8.5 Describe different types of video compression technic.
8.6 Mention the important features of MPEG.

9 Understand the video processing & video recording.
9.1 List the multimedia equipment for video processing.
9.2 Describe video capture and playback system.
9.3 List different video recording equipment & video recording software.
9.4 State the important features of hardware and software for video recording.
9.5 Describe the file formats for saving video information.
Graphics

10 Understand Graphics.
10.1 Define Computer graphics
10.2 Define Pixel, Resolution, Raster & Aspect ratio
10.3 Define Object Space, Image Space & Image Processing.
10.4 Describe Raster Scan Graphic Display
10.5 Describe Random Scan Graphic Display

11 Understand Scan Converting Process
11.1 Define Scan Conversion
11.2 Describe the point and line scan Converting process.
11.3 Describe the circle and ellipse scan Converting process.
11.4 Mention Line Drawing Algorithms

12 Understand Two Dimensional Transformation.
12.1 Define transformation, translation, rotation, scaling and magnification.
12.2 Describe Basic geometric transformation.
12.3 Describe the co-ordinate transformations
12.4 Define composite transformation and instance transformation.
12.5 Mention the matrix description of the basic transformation.
12.6 Define projection, projection plane.

13 Understand Two Dimensional Viewing & Clipping.
13.1 Define WCS, VCS, Window, Viewport, Viewing Transformation
13.2 Describe Two- Dimensional viewing
13.3 Define clipping
13.4 Mention Different types of clipping
13.5 Mention different Line Clipping Algorithms
13.6 Describe Polygon Clipping

Practical:

1 Identify the hardware of multimedia systems.
2 Prepare the general specifications of a typical multimedia system.
3 Identify the hardware with external features, settings and connections of sound equipment.
4 Work with digital video playbacks, recording and editing software for multimedia and write a report.
5 Manipulate and process sound files using different software packages.
6 Input and use sounds in multimedia applications.
7 Work with digital video recording and editing from VCRs/Laser disk player/Video camera using appropriate multimedia software.
8 Develop simple multimedia software for educational purpose.
9 Write a program to draw a line using pixel function only.
10 Write a program to draw a circle using pixel function only.
11 Write a program to increase/ decrease the contrast of an image using an appropriate language.
12 Write a program to transform an image using an appropriate language.

REFERENCE BOOKS
1. Multimedia in practice
– Judith Jeffcoate
2. Multimedia, Sound & Video
– Jose Lozano
3. Computer graphics
– Schaum’s Out lines Series

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