1. Introduction to Filters and Filter Design Software
2. Analog Filter Approximation Functions
3. Analog Lowpass, Highpass, Bandpass, and Bandstop Filters
4. Analog Filter Implementation Using Active Filters
5. Introduction to Discrete-Time Systems
6. Infinite Impulse Response Digital Filter Design
7. Finite Impulse Response Digital Filter Design
8. Digital Filter Implementation Using C
9. Digital Filtering Using the FFT
Appendix A:Technical References
Appendix B :Filter Design Software and C Code
Appendix C :Filter Design Using C
Appendix D :C Code for NormalizeApproximation Functions
E: C Code for Unnormalized Approximation Functions
F: C Code for Active Filter Implementation
G: C Code for IIR Filter Design
H: C Code for FIR Filter Design
I: Filtering Sound Files
