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Smartphone-based real-time digital signal processing (2nd ed.)
Kehtarnavaz N., Sehgal A., Parris S., Morgan&Claypool Publishers, San Rafael, CA, 2019. 155 pp. Type: Book (978-1-681734-65-1)
Date Reviewed: Apr 18 2019

Digital signal processing (DSP) has been a core course in electrical engineering for the past three or four decades. Since its emergence, there have been many new and efficient techniques for signal processing. These techniques can be implemented in hardware, but most experiments are done using simulation since signal processors are costly.

This book addresses a gap in the literature. Since all students and faculty members now own smartphones, experiments can be done using a smartphone instead of sophisticated signal processing hardware.

This book has ten chapters. Chapter 1 introduces smartphone-based implementations of signal processing techniques on both Android and iOS platforms. Chapters 2 and 3 explain “Hello, World!” experiments on Android and iPhone devices, respectively.

In chapters 4 and 5, the authors present sampling and number representation, again for both Android and iPhone devices. Chapters 6 and 7 cover filtering, and chapter 8 is on the Fourier transform. Chapter 9 addresses code optimization and chapter 10 covers implementation using MATLAB.

Ten lab exercises are presented, along with the code and results. Though the title claims to cover real-time DSP, it is only addressed in chapter 6. Overall, this is a handy book for a laboratory course on DSP and mobile application development, and will be useful for electrical engineering students and faculty members.

Reviewer:  S. Ramakrishnan Review #: CR146536 (1907-0269)
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