Abstract
The numerous worked examples and the case studies contained in this book clearly demonstrate that digital signal processing operations are governed by discrete-time representations of algorithmic processes. For example, we have seen that the characteristic performance of a digital filter is determined by its linear difference equation. The practical implementation of real-time digital signal processing operations is generally achieved using one of two practical options, namely (a) using dedicated hardware, such as an application specific integrated-circuit (ASIC) or a bit-slice processor, or (b) using a programmable integrated-circuit (microprocessor or digital signal processor chip). If the processing operations are not required as real-time implementations, then it is often appropriate to perform the DSP computations using a general-purpose personal computer (PC). For example, a number of proprietary software packages have been produced to enable model definitions and simulation of DSP systems.
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