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Sound absorption, absorption area, absorption coefficient, speech intelligibility, reverberation time. There are many relevant factors involved in acoustics. But what we all want is pleasant sound rather than noise. This is where it’s important to focus on achieving the right reverberation time – how long sound takes to abate in a room. When sound is absorbed, it provides a short reverberation time and thus good acoustics and high speech intelligibility.The optimal reverberation time depends on the purpose of the room. E.g., the optimal reverberation time for a church is typically 6 seconds, while a living room in a private home, on the other hand, should achieve a reverberation time of only 0.6 seconds.
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