5 elementos essenciais para tratamento acustico

You may be surprised to find that the control of the sound of a room is not really very complicated and can usually be accomplished with inexpensive materials.

The only way to get an objective measurement of sound levels is to use an SPL meter. (There are some inexpensive models by Gold Line/loft or Radio Shack.) As measured by the "C" scale on these meters you will find the following numbers appropriate for these uses.

This left the side walls near the back of the room untreated so we added diffusion. This is provided by some homemade diffuser panels on one side and some very cluttered bookshelves on the other.

There is a lot more to acoustics than the principles explained here, but these techniques are the most likely to be effective in an existing small room with a limited budget.

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Timber benches and a pergola with climbing plants create a relaxing social space where customers are encouraged to sit and stay a while

Standing waves are created when you have two parallel facing walls. There will be a particular set of read more frequencies that are reinforced by the distance between the walls (the sound makes exactly one round trip on each cycle of the speaker and the pressure fronts pile up).

One of the most efficient, cost effective and widely used approaches to reduce the tonal signature of

No caso dos aparelhos por ar condicionado do janela, qualquer fissura representa uma abertura para o som por fora vazar para dentro.

We can break up flat surfaces by hanging large objects called diffusers. The shapes chosen for diffusers are really a matter of taste and cost. Avoid concave curves, which focus sound instead of dispersing it, but otherwise pyramids, lattices, or computer designed random here surfaces all work well.

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At website this point we were down to two problems: the rising frequency response of the reverberation and the standing wave. We attacked both problems at the same time with some carefully placed absorptive panels. These were made of R-19 fiberglass and measured 2 ft by 6 ft. (They do not need to extend down to the floor because the furniture scatters sound at that level.) Most of this absorption wound up on the walls near the speakers-- this cleaned up the last of the short delay reflections and resulted in a very clear sound image between the speakers.

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