NPTEL : Digital Voice and Picture Communication (Electronics and Communication Engineering)

Co-ordinators : Prof. Somnath Sengupta


Lecture 1 - Introduction

Lecture 2 - Speech Production Model

Lecture 3 - Speech Coding : Objectives and Requirements

Lecture 4 - Quantizers for Speech Signal

Lecture 5 - mew - Law and Optimum Quantizer

Lecture 6 - Adaptive Quantizer

Lecture 7 - Differential Quantization

Lecture 8 - LDM and ADM

Lecture 9 - Differential PCM and Adaptive Prediction

Lecture 10 - Linear Prediction of Speech

Lecture 11 - Computational Aspects of LPC parameters

Lecture 12 - Cholesky Decomposition

Lecture 13 - Lattice Formulation of LPC Coefficient

Lecture 14 - Linear Predictive Synthesizer

Lecture 15 - LPC Vocoder

Lecture 16 - Introduction to Image and Video Coding

Lecture 17 - Lossy Image Compression : DCT

Lecture 18 - DCT Quantization and Limitations

Lecture 19 - Theory of Wavelets

Lecture 20 - Discrete Wavelet Transforms

Lecture 21 - DWT on the Images and its Encoding

Lecture 22 - Embedded Zero Tree Wavelet Encoding

Lecture 23 - Video Coding : Basic Building Blocks

Lecture 24 - Motion Estimate Techniques

Lecture 25 - Fast Motion Estimation Techniques

Lecture 26 - Video Coding Standards

Lecture 27 - Advanced Coding Aspects

Lecture 28 - Audio Coding: Basic Concepts

Lecture 29 - Audio Coding AC - 3

Lecture 30 - AC -3 Decoder

Lecture 31 - MPEG - 1 Audio Coding

Lecture 32 - Introduction to VoIP

Lecture 33 - VoIP Signaling : H.323 Protocol

Lecture 34 - H.323 Call Controls and Enhancements

Lecture 35 - Interworking with PSTN Limitations and Solution

Lecture 36 - Multiplexing Schemes

Lecture 37 - H.323:Multiplexing:Header Compression and BW

Lecture 38 - ISDN Video Conferencing

Lecture 39 - Video Conferencing : SIP Protocol

Lecture 40 - 4G Multimedia Conferencing