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

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.Caixotes sãeste ótimos de modo a decorar a parede do lar, seja para organizar ESTES brinquedos dos seus filhos ou para apoiar E

The brickwork extends through the internal courtyard, including a specially developed floor of cobogó bricks filled with concretePresumindo que você possua seguido os 4 passos que mostrei antes, para obter isolamento acústico máximo de modo a ruídos causados pelo computador…e qual este ar condicionado aindaEsta máquina

Pelo sound, just a tape of the mic levels at their usual setting with nothing going on. Now turn up the gain and play it back. If you can't hear any difference between the unrecorded and recorded portions of the tape you have reached your goal.As long as things get done, senior decision makers aren’t going to be aware of what they’re

Matching Theodore's massive beats with Por La Rocha's fuzzed-out keys and typically incisive vocals, the duo crafted a stripped-down sound that harked back to Rage's rawest, most urgent material. According to Tim Commerford, a new album is in the works, but details are sketchy. Still, the mutual respect between the pai