SYSTEM FOR ABSORBING SOUND

摘要

PURPOSE: An absorbing sound system is provided to have good sound absorbing properties on a wide frequency band and improve outer appearance. CONSTITUTION: An absorbing sound system(1) comprises a plate, a sheet, and porous absorption materials(20). The Recesses are formed on the plate. The sheet is attached on the plate surface and through-holes are formed. The porous material is coupled with the front side of the sheet.