"The Mastering Loudness War" is a specialized book that addresses the increasing loudness in the music and broadcasting industry. It examines the manipulation of volume through technological developments in the commercial market and sheds light on the historical relationship of society with loudness. The book analyzes the reasons for the rise in loudness and offers a current perspective on the issue, including practical examples and academic debates. Additionally, it discusses the effects of hyper-compressed music on engineers and consumers, taking into account technical and socio-economic aspects. Finally, it explores solutions to reduce excessive loudness and presents a summary of the key research findings.