GUANGZHOU, GUANGDONG, CHINA, January 21, 2026 /EINPresswire.com/ -- In recent years, attention to the acoustic ...

When you think of an acoustical material, what comes to mind? Maybe some kind of dark gray foam glued to a wall? Perhaps orange shag carpeting? Or how about those square-foot white, perforated wall ...

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Normally, one must choose between sound absorption and diffusion. However, researchers have designed a metamaterial that combines both functions in the form of an acoustic panel. Published in the ...

In places such as recording studios, movie theaters or concert halls, the walls are covered in panels that minimize echoes by scattering sound waves. Known as sound diffusers, they tend to be quite ...