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September 25, 2023

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Description

Digital Voice and Picture Communication. Instructor: Prof. Somnath Sengupta, Department of Electronics and Communication Engineering, IIT Kharagpur.

The course discusses topics in digital voice and picture communication: speech production model, speech coding: objectives and requirements, quantizers for speech signal, mu-law and optimum quantizer, adaptive quantizer, differential quantization, LDM and ADM, differential PCM and adaptive prediction, linear prediction of speech, computational aspects of LPC parameters, Cholesky decomposition, lattice formulation of LPC coefficient, linear predictive synthesizer, LPC vocoder, voice coding, theory of wavelets, discrete wavelet transforms, embedded zero tree wavelet encoding, motion estimation techniques, DCT quantization and limitations, H.323, MPEG-1 audio coding, video coding, video conferencing: SIP protocol, and 4G multimedia conferencing. (from nptel.ac.in)

Course Curriculum

  • Lecture 01 – Introduction Unlimited
  • Lecture 02 – Speech Production Model Unlimited
  • Lecture 03 – Speech Coding: Objectives and Requirements Unlimited
  • Lecture 04 – Quantizers for Speech Signal Unlimited
  • Lecture 05 – Mu-Law and Optimum Quantizer Unlimited
  • Lecture 06 – Adaptive Quantizer Unlimited
  • Lecture 07 – Differential Quantization Unlimited
  • Lecture 08 – Linear Delta Modulation (LDM) and Adaptive Delta Modulation (ADM) Unlimited
  • Lecture 09 – Differential PCM and Adaptive Prediction Unlimited
  • Lecture 10 – Linear Prediction of Speech Unlimited
  • Lecture 11 – Computational Aspects of LPC Parameters Unlimited
  • Lecture 12 – Cholesky Decomposition and Durbin’s Recursive Approach Unlimited
  • Lecture 13 – Lattice Formulation of LPC Coefficient Unlimited
  • Lecture 14 – Linear Predictive Synthesizer Unlimited
  • Lecture 15 – LPC Vocoder Unlimited
  • Lecture 16 – Introduction to Image and Video Coding Unlimited
  • Lecture 17 – Lossy Image Compression: Discrete Cosine Transform (DCT) Unlimited
  • Lecture 18 – DCT Quantization and Limitations Unlimited
  • Lecture 19 – Theory of Wavelets Unlimited
  • Lecture 20 – Discrete Wavelet Transforms and Multi-resolution Analysis Unlimited
  • Lecture 21 – DWT on the Images and its Encoding Unlimited
  • Lecture 22 – Embedded Zero Tree Wavelet Encoding Unlimited
  • Lecture 23 – Video Coding: Basic Building Blocks Unlimited
  • Lecture 24 – Motion Estimation Techniques Unlimited
  • Lecture 25 – Fast Motion Estimation Techniques Unlimited
  • Lecture 26 – Video Coding Standards: H.264 Unlimited
  • Lecture 27 – H.264: Advanced Coding Aspects Unlimited
  • Lecture 28 – Audio Coding: Basic Concepts Unlimited
  • Lecture 29 – Audio Coding: AC3 Unlimited
  • Lecture 30 – AC3 Decoder Unlimited
  • Lecture 31 – MPEG-1 Audio Coding Unlimited
  • Lecture 32 – Introduction to VoIP Unlimited
  • Lecture 33 – VoIP Signaling: H.323 Protocol Unlimited
  • Lecture 34 – H.323 Call Controls and Enhancements Unlimited
  • Lecture 35 – H.323: Interworking with PSTN, Limitations and Solutions Unlimited
  • Lecture 36 – H.323: Multiplexing Schemes Unlimited
  • Lecture 37 – H.323: Multiplexing: Header Compression and BW Efficiency Unlimited
  • Lecture 38 – ISDN Video Conferencing Unlimited
  • Lecture 39 – Video Conferencing: SIP Protocol Unlimited
  • Lecture 40 – 4G Multimedia Conferencing Unlimited

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