The speakers wound up eight feet apart. This placed the "sweet spot" eight feet from the wall along the center line of the room. This in turn dictated the location of the mixing board and other equipment. Once the equipment was set in place, we checked for reflective phase interference from the console or cabinet tops.
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O difusor Muito mais simples de construir é uma superfÃcie encurvada tal como a indicada na figura seguinte.
Nesta fase, vale testar. Experimente primeiro aos poucos, colocando materiais diversos e alternando com ensaios para testar o ambiente. Pesquise similarmente identicamente conjuntamente A cerca de atenuadores como "bass traps" e outras ferramentas para ajustar seu ambiente.
been built at UFSC for the determination of the acoustic impedance of liner samples; on the numerical
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Reflections off flat walls can sometimes combine to produce undesirable effects. The worst of these is the standing wave.
Such materials need not be expensive. In fact, ordinary R-19 fiberglass insulation (about seis inches thick ) is as good a general purpose absorber as you can find and costs about 30 cents a square foot. You can tack it right to the wall, paper side down. Of course this is ugly as sin and breathing fiberglass is not good for you, so you want to cover it up with some lightweight cloth.
The worst sound leaks will be around doors. Your neighborhood hardware store has the fittings and gaskets website to fill these up, sold for weatherstripping more info but effective for sound too. Some common styles of gasket are get more info illustrated in fig.3.
(In larger rooms even more reverb is desirable because it helps fill the hall with sound.) For listening to speech or music played through loudspeakers this amount of reverb is too much-- values around a second are more comfortable, and for critical listening to speakers the RT60 should be close to a half second.
The curtain over the window Is too light to be a really broadband absorber, but it combines with the low frequency absorption of the glass to give a reasonably flat overall effect. The carpet and wooden floor interact in much the same website way.
The space between the walls should be at least one inch (wider if practical) and lined with fiberglas. The air duct should be very long and lined with sound absorptant material. Get the heaviest solid door and frame you can find, and add gaskets as described above.
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