EE 445S Real-Time Digital Signal Processing Laboratory - Lecture 4

Before Lecture

• "Amazing Water & Sound Experiment #2" to show aliasing effects

• "Video Killed the Radio Star", The Buggles, 1979.
  • First video played on what cable channel in 1981? Why?
  • First line: "I heard you on the wireless back in Fifty Two". What's "the wireless"?
  • How many times has video killed the radio star?

• "AM Radio", by Everclear, 2000.
  • "I started going to concerts and I saw the Led Zeppelin"
  • "I dreamed that Jimmy Page would come to Santa Monica and teach me to play"

Announcements

• "Seven ways mobile phones have changed lives in Africa", CNN, September 14, 2012.

• "First nation makes broadband access a legal right", July 1, 2010.

Lecture

• Lecture on Sampling and Aliasing in PowerPoint format.
  • Video: Part 1 and Part 2
  • Notes

• Demonstrations
  • Sampling and Interpolation Demo from DSP First
  • Strobe Demonstration from DSP First
  • Username and password information

Supplemental Information

• Sampling and quantization of US Election Results
  • 2012 Red-Blue Map by Michael Gastner, Cosma Shalizi, and Mark Newman
  • 2008 Purple America by Robert J. Vanderbei

Last updated 09/20/14. Send comments to bevans@ece.utexas.edu