This book investigates the application of orthogonal transforms in digital signal processing. It aims to provide a comprehensive understanding of various transform techniques, their mathematical underpinnings, and their practical implementation in analyzing and manipulating digital signals. The text likely covers foundational concepts, specific transform types, and their utility in areas such as filtering, compression, and feature extraction, drawing on established mathematical principles and engineering applications.

The book is likely regarded as a foundational text for students and researchers in digital signal processing and related engineering fields. Its focus on the mathematical rigor of orthogonal transforms suggests it is a technical resource for those needing a deep understanding of the underlying principles. The content points to a specialized audience seeking to apply these transforms in advanced signal processing tasks.