Decibels (dB) are most commonly used as a measure of sound level, but they are also used in electronics, signals and communications...more
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
is sometimes referred to as .
Copyright 2022 E2 Specialist Consultants Limited
Company No. 06728970