Theory and application of digital signal processing . Laboratory Workshop by A. A. Petrovsky is an indispensable manual for students, graduate students and specialists in the field of digital signal processing (DCS) . In today's world, where technology is rapidly developing, and information processing is becoming more relevant, this publication offers readers not only theoretical knowledge, but also the practical skills necessary for successful work in this area. From the first pages of the book, the reader is immersed in the fascinating world of digital signal processing, where the author explains the basic concepts and principles. Petrovsky masterfully combines theory with practice, which allows a better understanding of the complex aspects of COS. The book covers a wide range of topics, ranging from basic concepts to modern methods and algorithms used in signal processing. The reader will learn about different types of signals, methods of their analysis and processing, as well as the application of this knowledge to real-world problems. The manual pays special attention to laboratory workshops, which are an integral part of training. Each section includes practical tasks that help to consolidate theoretical knowledge and develop skills in working with modern software and equipment. This makes the book especially useful for technical students, as well as for those who want to deepen their knowledge in the field of digital signal processing. The book will be of interest not only to students, but also to professionals working in areas such as telecommunications, radio engineering, image and sound processing. It will be an excellent assistant for engineers and researchers seeking to improve their skills and expand their horizons in the field of COS. Due to its accessible presentation language and clear structure, the manual is suitable for both beginners and more experienced readers. The topics raised in the book cover many aspects, including signal processing algorithms, filtering, spectral analysis, and more. Petrovsky focuses on the importance of the practical application of theoretical knowledge, which makes his manual especially valuable for those who seek a real understanding and application of digital signal processing in their professional activities. The style of the author can be described as clear and logical, which makes it easy to perceive even the most complex concepts. A. A. Petrovsky is the author of several other well-known works in the field of digital signal processing and related disciplines, which confirms his high level of expertise and deep understanding of the topic. If you are looking for a book that will help you not only master the theory, but also teach you how to apply knowledge in practice, "Theory and application of digital signal processing. Lab Workshop” will be your reliable companion in this fascinating journey This guide will not only expand your knowledge, but also inspire new ideas and projects in the field of digital signal processing Do not miss the opportunity to become an expert in this important and sought-after field!