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acoustical barrier

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sound barrier

Any solid obstacle which is relatively opaque to sound that blocks the line of sight between a sound source and the point of reception of the sound.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive
Mock-ups of patient consult rooms were constructed to establish the most effective level of visual and acoustical barriers, with all patient-oriented treatments spaces being outfitted with motorized blinds and adjustable sound-masking.
OPENING UP: Home Base embraces an open, flexible office model for its new clinic that delivers outpatient mental healthcare and support services to veterans and their families
Acoustical barriers in classrooms: the impact of noise on performance in the classroom.
Effects of noise from building mechanical systems on elementary school student achievement
Classroom Acoustics II: Acoustical Barriers to Learning features information about the problems experienced by teachers and students as a result of noise and reverberation in the classroom and includes more than 150 additional references on the topic.
Classroom acoustics
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