JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Prerequisites

Students should have knowledge on basic source of information, digital transmission.

Course Objectives:

• Familiarize student, the history, applications of multimedia and introduce different tools related to multimedia.
• Build an Understanding of core multimedia technologies and standards (Digital Audio, Graphics, Video, data transmission/compression).
• Make the student be aware of factors involved in multimedia systems performance, integration and evaluation.

UNIT - I

Introduction to Multimedia: Definition of Multimedia, components of components, research trends in multimedia, multimedia & hypermedia, World Wide Web, Overview of multimedia tools, Multimedia authoring, Graphics/ image data types, and file formats.

UNIT - II

Color in Image and Video: Color Science – Image Formation, Camera Systems, Gamma Correction, Color Matching Functions, CIE Chromaticity Diagram, Color Monitor Specifications, Out-of-Gamut colors, White point correction, XYZ to RGB transform, Transform with Gamma Correction, L*a*b* Color model. Color models in images – RGB color model for CRT displays, Subtractive Color: CMY Color model, Transformation from RGB to CMY, Under color removal: CMYK System, printer Gamuts. Color models in video – Video Color Transforms, YUV color model, YIQ color model, YCbCr Color Model.

UNIT - III

Fundamentals Concepts in Video & Audio: Basics of Video: Types of video signals, Analog video, Digital Video, HDTV.

Basics of digital audio: Digitization of sound, Nyquist Theorem, SNR, SQNR, Linear & nonlinear quantization, audio filtering, audio quality Vs data rate, synthetic sounds, quantization and transmission of audio.

UNIT - IV

Compression Algorithms: Lossless Compression Algorithms: Run length coding, Variable length coding, Arithmetic coding, Lossless JPEG, Image Compression. Lossy Image Compression Algorithms: Transform Coding: KLT and DCT Coding, Wavelet based coding. Image Compression Standards: JPEG and JPEG 2000

UNIT - V

Video Compression Techniques: Introduction to Video Compression, Video Compression based on Motion Compensation, Search for motion vectors, H.261- Intra- frame and Inter-frame coding, Quantization, Encoder and Decoder, Overview of MPEG1. Audio Compression Techniques: ADPCM in Speech Coding, G.726 ADPCM, Vocoders – Phase Insensitivity, Channel Vocoder, Formant Vocoder, Linear Predictive Coding.

R19 M.TECH. WIRELESS AND MOBILE COMMUNICATIONS

TEXT BOOKS:

• 1. Fundamentals of Multimedia – Ze- Nian Li, Mark S. Drew, PHI, 2010.
• 2. Multimedia Signals & Systems – Mrinal Kr. Mandal Springer International Edition 1st edition, 2009.

REFERENCE BOOKS:

• 1. K.R. Rao, Zorans. Bojkoric, Dragorad A. Milovanovic, “Multimedia Communication Systems – Techniques, Stds & Networks”, 1st Edition, 2002.
• 2. John F. Koegel Bufond, “Multimedia Systems”, Pearson Education (LPE), 1st Edition, 2003.
• 3. Murat Tekalp, “Digital Video Processing”, PHI, 1996 R19 M.TECH. WIRELESS AND MOBILE COMMUNICATIONS M.TECH.- II YEAR- I SEMESTER WIRELESS AND MOBILE COMMUNICATIONS