Relation Between Discrete Time and Continuous Signals -Discrete Fourier Transform (DFT) - Filters Introduction - FIR Filters - IIR Filters - Computer Aided Design of Filters - FFT and Computer Aided Design of Filters - Introduction to Lattice Filter - Effects of Quantization - Random Signals - Relationship Between Real and Imaginary Parts of DTFT - Multi rate Signal Processing - Poly phase Decomposition.