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-- See Also the narrower term Acoustic phenomena in nature

-- See Also the narrower term Architectural acoustics

-- See Also the narrower term Auditoriums Electronic sound control

-- See Also the narrower term Bioacoustics

-- See Also the narrower term Electro-acoustics

-- See Also Music Acoustics and physics

-- See Also the narrower term Noise

--subdivision Noise under topical headings, e.g. Automobiles--Noise; Construction industry--Noise; and phrase headings for specific types of noise, including its control, e.g. Traffic noise

-- See Also the narrower term Phonetics

--subdivision Phonetics under individual languages and groups of languages, e.g. English language--Phonetics

-- See Also the narrower term Sirens (Signaling devices)

-- See Also the narrower term Sounds
Here are entered works describing or recording actual sounds. Works on the use of sounds and of reproductions and simulations of sounds on radio, stage, etc. are entered under subject with subdivision Sound effects, e.g. Radio broadcasting--Sound effects; Theaters--Sound effects.
--subdivision Sounds under individual wars, e.g. World War, 1939-1945--Sounds

-- See Also the narrower term Theaters Electronic sound control

-- See Also the narrower term Ultrasonics
Here are entered works on sound inaudible to the human ear, i.e., at frequencies above about 20,000 cycles.

-- See Also the narrower term Underwater acoustics

-- See Also the narrower term Vibration

--subdivision Vibration under types of equipment, structures, and vehicles, e.g. Automobiles--Vibration