Offices Nationwide
Sound Levels
Decibels (dB) are most commonly used as a measure of sound level, but they are also used in electronics, signals and communications...more
Good Hearing?
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
Intended to assist the construction industry to comply with the performance standards of Regulations.
Copyright 2026 E2 Specialist Consultants Limited
Company No. 06728970
In Area M
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