The device, created by technologists from North Carolina State University, also promises to require less material. This leads to a reduced cost as well as taking up far less space than diffusers ...

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 ...

Sound diffusers based on acoustic metasurfaces can be one order of magnitude thinner than conventional diffusers while retaining comparable performance, Yun Jing and colleagues report in Physical ...