One of the 3 TAs for this postgraduate course on Multirate Signal Processing, offered by Prof. R. Aravind.

Course Outline

Instructor: Prof. R Aravind

Contents: Quick review of DSP, Downsampling (DS), Upsampling (US), Interpolation Filtering, Window-based design of Lth-band LP/HP filters, Haar filter, Implementing a sampling-rate converter, Fractional sampling rate, Fractional delay using DS/US, Intro to Filter Banks, Polyphase Representation, FBs using a P/S and S/P converter, Orthogonal Filter Banks, Conditions for Perfect Reconstruction, case of 9/7 FB, building a general Analysis/Synthesis FB, DFT Filter Banks, Cosine-Modulated Filter Banks (CMFB), MPEG Tutorial from 1993 using CMFBs, Alias Cancellation in CMFB, OFDM, Transceiver design.

Evaluation & Books

• Assessment pattern:
  • 1 quiz (20%) on 15-09-2023 and an Endsem (50%), as per the institute schedule.
  • Programming Assignments: 30%
• Use the course moodle to access all the lecture notes by Prof. Aravind, this is the best possible resource for this course.
• There is an NPTEL course on the same by Prof. David Koilpillai, which is a useful reference for some of the sections
• References: P.P Vaidyanathan, and MPEG-1993-Document for learning more about Cosine-Modulated-Filter-Banks

Tutorials & Quizzes

Tutorials:

• Tutorial 1, Sept. 1: link
• Tutorial 2, Sept. 14
• Tutorial 3 and 4, Nov. 3

Assignments:

• Assignment 1: Oct. 11, due Oct. 19
• Assignment 2: Nov. 17, due Nov. 26

Midsem: Friday, Sept. 15

Endsem: Friday, Nov. 17