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If it helps, there are a couple of tools you can use to measure room acoustics. REW https://www.roomeqwizard.com/ and Sonarworks reference https://www.sonarworks.com/reference. It's been quite a while since I used either of these tools however I do remember sonarworks' calibration test being the most thorough. The wizard makes things very simple also. It ...


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I suggest that you do some research into absorption coefficients and look for materials with a low absorption coefficient. If you need further detail I suggest you look at the Master Handbook of Acoustics: http://www.amazon.co.uk/Master-Handbook-Acoustics-Alton-Everest/dp/0071603328


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