18-791 DSP-I: Lectures

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This page will provide MATLAB files scripts and lecture-specific handouts.

MATLAB files used in the lectures

• Utilities common to all lectures
• Lecture 1 (08/30/05): Manipulations of sound
• Lecture 2 (09/01/05): The convolution sum
• Lecture 4 (09/08/05): Intro to the DTFT
• Lecture 6 (09/15/05): Sampling of continuous-time signals
• Lecture 7 (09/20/05): Change of sampling rate
• Lecture 8 (09/22/05): Introduction to the Z-transform
• Lecture 9 (09/27/05): Z-transform properties and inverses
• Lecture 12 (10/06/05): Frequency response from pole and zero locations
• Lecture 13 (10/11/05): The DFT of a cosine wave
• Lecture 17 (10/25/05): Introduction to FFTs
• Lecture 20 (11/03/05): FIR filter structures
• Lecture 22 (11/10/05): IIR design procedures

Other items related to lectures

• Examples of convolution problems from Recitation 1
• Notes from Lecture 4 (.pdf form)
• Notes from Lecture 8 (.ppt form, .pdf form)
• Notes from Lecture 9 (.pdf form)
• Notes from lecture 17 (.ppt form, .pdf form)
• Notes from Lecture 18 (.ppt form, .pdf form)
• Supplementary notes on General-Radix FFT algorithms (Lecture 18)
• Supplementary notes on the Frequency Sampling IIR Implementation (Lecture 20)
• Notes on the design of IIR filters (Lecture 22)

Online lectures (this info will be updated)

The following lectures are currently available on the Web:

• Lecture 7 Introduction to Z-transforms
• Lecturre 12 Introduction to the Fast Fourier Transform
• Lecture 13 FFT Structures and Inverses

To access these lectures you must use the Microsoft Internet Explorer, the Microsoft Media Player Version 9.4 or later (free download available), and Microsoft PowerPoint 97 or later installed.

To access video lectures:

1. Go to the site of the CMU Universal Library (http://www.ulib.org)
2. Click on the "Multimedia and Lectures" button in the pane at the left
3. Answer the question about which version of Office/Media Player you are using
4. Click on "Miscellaneous"
5. Click on "Digital Signal Processing"
6. Click on "Introduction to Z-transform" [for all three lectures (!)]
7. Click on "SLIDECENTRIC" in the row corresponding to the desired lecture