O.General;1.Physicalacoustics;2.Underwatersound;3.Mechanicalvibrationandshock;4.Noiseandnoisecontrol;5.Ultrasonics;6.Speechacousticsandspeechcommunication;7.Physiologicalacoustics;8.Ar-chitecturalacoustics;9.Electroacoustics;10.Acousticalmeasurementandinstrumentation;11.Atmosphericacoustics;12.Geoacoustics;13.Bioaoustics;14.Musicalacoustical;15.Signalprocessing.