The Acoustics Handbook contains basic information and materials on sound vibrations, sound perception, acoustic signals and their processing, electroacoustic equipment, sound amplification and voicing, sound recording and reproduction, room acoustics, including radio and television studios, acoustic measurements, sound-absorbing and sound-insulating materials and structures. Formulas, graphs, tables and examples of calculation are given. The handbook is designed for engineers and technicians working on the operation and design of communications and broadcasting facilities, as well as radio services. It will be useful to students of universities, technical schools of communications and specialists of related professions.