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Room Acoustics Forum by Rives Audio Welcome! Need support, you got it. Or share you ideas and experiences. |
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Room Acoustics Forum by Rives Audio Welcome! Need support, you got it. Or share you ideas and experiences. |
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In Reply to: Prospective listening room posted by boboli on December 28, 2010 at 16:14:54:
Floor with porcelaine tiles: this will probably result in quite high reverberation time, so you'd need a lot of absorption to get that down to acceptable values. Our room has walls from brick 'n mortar, floor is tiled, the solution we opted for was an acoustical ceiling (synthetic fabric under tension, 26 cm air space above partially filled with rockwool). Without that ceiling reverberation time (on paper) would have been around 1.5 seconds, with that ceiling it is (on paper) 0.4 - 0.6 seconds.
Room shape: in rooms with odd shapes like this room mode behaviour is impossible to predict. Unless you have Finite Element Analysis software, you cannot calculate mode frequencies, and you cannot determine the locations of pressure nodes and antinodes, so speaker placement is a matter of trial-and-error. I've got a couple of engineering papers where pressure distribution in odd-shaped rooms is shown, if interested, drop me a mail off-board.
Klaus
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- RE: Prospective listening room - KlausR. 02:19:08 12/29/10 (0)
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