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Acoustical testing of wall and floor/ceiling assemblies to determine solutions for improved acoustical privacy. · Measuring noise and vibration levels or. Project Scope: Architectural Testing, Inc. was contracted by VELUX America Inc. to conduct a sound transmission loss test on a Series/Model FS S06 Project Scope. Architectural Testing, Inc., a subsidiary of Intertek (Intertek-ATI), was contracted to conduct a sound transmission loss test.

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Sound level testing is used to measure the sound levels present in verify acoustical performances per ASTM standards for Sound Transmission Class (STC). DLAA – D.L. Adams Associates, provides acoustics testing, noise control, To ensure each of our projects meets the highest technical and acoustic. Sound Transmission Loss of a Single Glaze Window. ▫ Standard Methods of Testing. ▫ Testing of Small Samples. ▫ References.

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ASTM E90 testing. Dodecahedron speaker. Diffuser. Accredited ASTM E90 - Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of. Acoustical testing of wall and floor/ceiling assemblies to determine solutions for improved acoustical privacy. · Measuring noise and vibration levels or. Test Methods: The acoustical tests were conducted in accordance with the following: ASTM E , Standard Test Method for Laboratory Measurement of Airborne.