What are acoustics?
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.
The shortest reverberation time possible is not always necessarily what we should aim for. Insufficient reverberation time can quickly make the sound in the room seem dull, and conversely, excessive reverberation time can result in unwanted echoes and impaired speech comprehension. A long reverberation time is typically perceived in an unfurnished room in a house.
Improve your acoustics
There are many ways to achieve improved room acoustics. Some of the common methods are furniture, carpets, sofa cushions, heavy curtains etc. A good reverberation time can therefore be difficult to achieve with minimalist decor, where the use of carpets and furniture is sparse. Acoustic panels used as replacement for hard walls can be a good solution.
In addition to being absorbent, acoustic panels also have a diffusing effect. Diffusers can split the sound waves when the sound is reflected, making the sound more evenly distributed throughout the room. This is perceived by the human ear as a more pleasant room acoustics.
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