Description:The second, substantially enlarged edition of the textbook gives a comprehensive insight into the characteristics and the design of digital filters. It briefly introduces the theory of continuous-time systems and the design methods for analog filters. Discrete-time systems, the basic structures of digital filters, sampling theorem, and the design of IIR filters are widely discussed. The author devotes important parts to the design of non-recursive filters and the effects of finite register length. The explanation of techniques like oversampling and noise shaping concludes the book.