When building risers, make sure they’re solid and well-braced to prevent resonances. Consider adding absorption material ...

Foam or housing insulation is then added to act as the primary sound absorbing material. To give an attractive finish, the panels are covered in fabric. The panels are then placed on to drywall ...

Researchers have used 3D printing and metamaterials to create panels with superior sound insulation, better than most current designs.

dampening the sound quite well for audio recording needs. The panels are built out of individual circles, cut out in a way that uses as much of a 3/16″ (5mm) plywood sheet as possible ...

The panels are designed to soften and absorb ... with the 'best-in-class sound-absorbing classifications in all tests'.