Here are the Materials for our class.
(Click for download)

Ch.1.
Introduction / Discrete-Time Signals
Ch.2.
Discrete-Time Systems
Discrete-Time Systems / Frequency-Domain Representation
Ch.4.
Frequency-Domain Representation / Auto/Cross-Correlations of Deterministic Signals
Ch.5. (Makeup class)
Auto/Cross-Correlations of Deterministic Signals / Discrete-Time Random Signals
Ch.6.
z-Transform
Ch.7.
z-Transform
Ch.8. (No slide)
Quiz
Ch.9.
z-Transform
Sampling
Sampling
Sampling
Sampling
Sampling
Ch.15_updated with textbook homework.
Sampling
DFT
Ch.17.
Q&A Session
Ch.18.
Midterm Exam
DFT
DFT
Ch.21_updated with MATLAB homework.
DFT
DFT / LTI Structure
Ch.23. - Makeup class on 11/26
LTI Structure / FFT
LTI Analysis
LTI Analysis
LTI Analysis / Filter Design
Filter Design