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Real-Time Digital Signal Processing from MATLAB to C with the TMS320C6x DSPs, Third Edition, 3rd Edition by Michael G. Morrow, Cameron H.G. Wright, Thad B. Welch

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Chapter 11

Project 2: Graphic Equalizer

 

11.1    Theory

THE parallel implementation of a 5-band FIR-based equalizer was first discussed in Chapter 3. A block diagram of such an equalizer and the generalized extension of this parallel implementation are shown in Figure 11.1. While this extension to M bands may not seem like a major change, increasing the computational complexity of the DSP algorithm by adding additional parallel filters will eventually result in being unable to meet the real-time schedule. At this stage in the equalizer’s development, we must either settle for the current level of system performance or rethink our approach to implementing the algorithm. This is very similar to the approach taken in Chapter 3 where we progressed ...

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