RPG effusor Newsletter - November 2008

RPG Continually Evolving
The RPG monthly effusor Newsletter introduces new products and services and highlights recent projects. If you are receiving this Newsletter for the first time, here is a link to all previous issues online.

This fall we will be welcoming many architects and acousticians for our Continuing Education Series of Diffuse Seminars. If you would like to join us, please contact RPG or a Representative in your area.

In this issue, we would like to describe RPG's proprietary capability of optimizing, testing and manufacturing custom shapes that may be of interest to the architectural and acoustic community. We feature the Thomas Deacon Academy in the UK, designed by Sir Norman Foster. Read More. This innovative procedure will also be presented at the Acoustical Society Meeting in Miami (see below).

Innovative Integration of Acoustic Treatment into Modern Architecture
This paper will review how contemporary shape optimization algorithms help to create contemporary surfaces that complement contemporary architecture in the way that relief ornamentation, statuary, columns, etc. complemented classic architecture.

Resa1p Class A Cores With No Added Formaldehyde
We invite you to explore Resa1p, the first Class A core material that also does not contain any added formaldehyde. It may be used to satisfy LEED-NC MR and EQ Credits. For more information please download the Resap brochure.

Topperfo Micro! Absorptive Wood with Barely Visible Holes
We also invite you to examine the first microperforated, absorptive veneered or painted wood absorber. With 30,000 holes per square foot, you can obtain significant absorption with the holes barely visible at normal viewing distances. For more information, please download the Topperfo Micro brochure.

Introducing the CDM-ISO-MAT
CDM-ISO-MAT is a profiled continuous mat treatment that is used to float wet and dry floor constructions, available in a wide range of elastomer materials. It is made from recycled rubber granules bonded with polyurethane glue. A range of densities are available with different stiffness characteristics for different loading. Please contact Tom Ryan (tryan@rpginc.com), Director of RPG's Noise and Vibration Division, for more information.

Fiber-free, Light-transmitting, Microperforated Absorbers
Microperforated, fiber-free, light-transmitting plastics offer a new solution for sound absorption with daylighting. Fiber-free absorption is critical in health care, hospitality, food service, hotels, restaurants and schools. In addition, they provide a needed solution in large glass-dominated enclosures like atria, lobbies, convention centers, botanical gardens, etc. For more information, please download the Clearsorber brochure.

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Other Important Items to Note
Research
Keep abreast of the latest topics and developments in progressive acoustics research.



CATT
We continue to offer assistance with the most comprehensive acoustic modeling and auralization package, CATT-Acoustic v8.x. and provide absorption and scattering modeling coefficients in CATT and EASE formats. New pricing effective 11/1/2007. Prediction and Auralization modules each $3,000. We can help facilitate the building and prediction of your models.

Shape Optimizer
Our optimization capabilities are continually expanding, Click here to learn about the latest product
and software developments.



New Solid Prototyping
RPG announces a new RPG Rapid Prototyping System brochure.

This allow us to fabricate and test scale models of new scattering surfaces that the acoustician or architect may envision using in a project. This is the future.

Education
Please join us for our Diffuse Seminars. Dates to be announced. You can view the Agenda pdfs on line. We also invite you to visit our Acoustics Library, Diffuse Reflections, Diffuse Bulletins and Competitive Evaluations.

Test Data
RPG is offering random and directional incidence diffusion, scattering and absorption coefficients for all of its products. Random and directional incidence diffusion coefficients and polar patterns (shown below) indicate the uniformity of diffusion and can be used in CSI specifications and as a metric to compare potential diffusing surfaces. The random incidence absorption coefficient can be used in CSI specifications as a metric of absorption efficiency. The directional and random incidence scattering coefficients can be used in computer modeling programs, but not as a metric of diffusion uniformity.

Copyright 2000, RPG Diffusor Systems, Inc.
651-C Commerce Drive, Upper Marlboro, MD, 20774, Phone: 301-249-0044, Fax: 301-249-3912, E-mail: info@rpginc.com