We'd also like to send you special offers and news just by email from other carefully selected companies we think you might like.Incidentally, many interior doors are hollow and light and don't really stop sound well even when tightly gasketed. Such a door should be replaced with a solid one. Manufacturers will supply data on the amount of transmis

Two walls of white Cobogó bricks blur the line between indoor and outdoor and create a dramatic light pattern to add interest to a sparse space at the Cobogó House in São Paulo, designed by Studio MK27.We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests fro

"A lie is a lie/This god is an eagle/Or a condor for war and nothing more," he yells before DJ Shadow showcases his turntablist expertise on the outro. Just a year prior, the duo worked together on Shadow's "Disavowed," a B side on which Do La Rocha played the drums and is also credited with co-production.Now that he’s staying on the

New microphone mountings designed to reduce flow noise by recessing the microphones and covering the cavities will also be described, and their flow noise levels compared to flush-mounting the microphones. Typical honeycomb core, perforated face-sheet liner samples were tested at different flow speeds at FLIR. Results were fed to multiple, previous

In this paper, the acoustic impedance of a liner is educed by a novel semi-analytical inverse technique. The liner sample is placed flush with the solid walls in a rectangular duct with grazing flow. The technique uses complex acoustic pressure measured at four positions at the wall of the duct, upstream and downstream of the lined section, and edu