A typical person with good hearing can hear from about 20Hz to 20kHz (the audio bandwidth). A person's voice will usually range from 500Hz to 2kHz...more
Two parameters describe sound insulation; Dw and Rw. Dw is the insulation between rooms. Rw is the lab-tested insulation of a wall/floor...more
For further Sound-Testing information for your area, be sure to check out Sound-Testing-.co.uk.
Copyright 2019 E2 Specialist Consultants Limited
Company No. 06728970