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1D Diffusion
In 1983.RPG Diffusor systems.Inc.introduced the first commercial sound diffuser that offered uniform scattering over a designable bandwidth.The QRD has now been used in thousands of project in awide range of venues.
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Introduction
Testing and Research
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Download
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Projects
Project lists
Case Studies
Engineering literature
Product
CDM Stravitec
NOISESTOP
ENKASONIC
LAHNAU SEAMLESS SOUND ABSORPTION CEILING SYSTEM
SMART WINDOW
FABRIC ACOUSTICS PANEL
WOODACOUSTICS
H&H
CALME
PEMKO
ZERO
RPG
TECTUM
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