This book outlines the various theories, techniques and implementation that are of utmost importance to signal processing. Technology that incorporates the basic theory, algorithms, and implementations of transferring data stored in varied spaces like physical or abstract format is known as signal processing. The aim of this book is to present researches that have transformed this discipline and aided its technological advancement. While understanding the long-term perspectives of the topics, the book makes an effort in highlighting their impact as a growing field. It aims to elucidate the varied applications of this technology like audio signal processing, video processing and image processing to name few. Researchers and students in this field will be assisted by this book. As it outlines the various processes and techniques that are required to make the technology work efficiently.