The book «Spectrum analyzers of sound and infrasound frequencies for acoustic spectrometry» by C. B. Stopsky is a unique and in-depth study that opens the world of acoustic spectrometry to the reader, combining theoretical foundations with practical aspects. This edition will be an indispensable assistant for both professionals in the field of acoustics and for students studying the physics of sound and its applications. In his book, Stopsky examines in detail the principles of spectrum analyzers, which play a key role in the study of sound and infrasound frequencies. The author not only describes the technical characteristics of the devices, but also immerses the reader in the theory underlying acoustic spectrometry. He explains how different frequencies of sound can be used for environmental analysis, health monitoring, and even safety. The book will be of interest to a wide range of readers: from students and graduate students studying physics and engineering, to specialists working in the field of ecology, medicine and technology. If you are passionate about acoustics, sound technology, or just want to learn more about how sound waves can affect our lives, this edition will be a real discovery for you. The topics raised in the book are diverse and relevant. Stopsky discusses the effects of sound on human health, the use of infrasound in monitoring natural disasters, and even aspects of acoustic pollution. It raises important questions about how technology can help solve environmental problems and improve quality of life. The book also touches on the application of acoustic technologies in medicine, which makes it especially valuable for specialists in this field. The author's style is distinguished by clarity and accessibility, which makes it easy to assimilate even the most complex concepts. Stopsky uses many examples and illustrations, which makes the material more clear and understandable. His previous work is also marked by a high level of scientific credibility and practical significance, which confirms his status as an expert in the field of acoustics. If you are looking for literature that combines scientific approach and practical application, “Audio and Infrasound Spectrum Analyzers for Acoustic Spectrometry” will be an excellent choice. This book will not only enrich your knowledge, but also inspire new research and discoveries in the field of acoustics. Do not miss the opportunity to immerse yourself in the world of sound frequencies and their analysis, which opens up new horizons for us. Read, explore and discover the amazing aspects of acoustic spectrometry with C. B. Stop it!