Digital signal processing (DSP) is a pivotal field that applies digital processes to manipulate signals, playing a crucial role in various domains including biomedical engineering, digital image processing, sensor array processing, and speech signal processing. From analyzing images captured by space probes to processing seismic vibrations, DSP is integral to understanding and managing a wide range of signals. This book provides a thorough exploration of DSP, offering insights into its fundamental concepts, techniques, and applications. Covering topics such as signal processing techniques, ultrasonic transducers, frequency measurement, digital filter structures, artificial intelligence methods, and acoustic emission analysis, the book delves into the intricacies of DSP with a multidisciplinary approach. It elucidates new techniques and their applications, presenting selected concepts that redefine the field. With a focus on prospective developments, the book addresses various branches within the realm of DSP, providing readers with a comprehensive understanding of its significance and potential. Featuring a coherent flow of topics, student-friendly language, and numerous examples, this book serves as an invaluable source of knowledge for students seeking to explore the exciting world of digital signal processing.