Top 10 Noise Facts – September

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28 September 2016
Top 10 Facts September

Reading Levels:

A 20dB increase in noise, is enough to delay a student’s reading level by up to 8 months.

Reading levels

120dB:

Direct exposure to sounds over 120dB without protection will often pass the human pain threshold.

120dB

Approved Document Part E Of The Building Regulations:

The New Approved Document E of the Building Regulations, which sets out the required acoustic standards in builings, came into practise in 2003.

Regulations

Wallace Sabine:

Wallace Sabine (1869-1919) is widely credited with founding the field of the modern architectural acoustics, with his work on the Fogg Lecture Hall and Boston’s Symphony Hall.

Wallace Sabine

Control Of Pollution Act (COPA) 1974:

Noise from construction sites is controlled by the control of Pollution Act (COPA) 1974.

Control Of Pollution Act (COPA) 1974:

Soundwaves:

Despite being visualised as two dimensional waves forms, sound waves actually expand in all directions simultaneously.

Soundwaves

1 Day Per Year Lost:

Each year, noise pollution takes a day off the life of every adult and child in Europe.

1 day per year lost

150dB Jet Take Off:

The average noise level of a modern jet during take-off is 150dB enough to cause eardrum rupture with a short amount of direct exposure.

150dB Jet Take Off

1/10th Of An Echo:

The human ear can’t distinguish an echo from the original sound if the delay between the two sounds is less than 1/10th of a second.

1/10th Of An Echo:

Republic XF-84H:

The loudest aircraft ever made, the republic XF-84H, could be heard 25 miles away.

Republic XF-84H:

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