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Science > Acoustics

DC coupling

Science; Acoustics

The connection of a signal from one circuit to another in a manner that passes both AC and DC components

AC coupling

Science; Acoustics

The connection of a signal from one circuit to another in a manner that rejects DC components .

noise at work regulations

Science; Acoustics

The control of noise at work regulations 2005 (the noise regulations) came into force for all industry sectors in Great Britain on 6 April 2006 (except for the music and ...

crest factor

Science; Acoustics

The crest factor is peak amplitude of a waveform divided by the RMS value of the waveform. For example a sine wave has a crest factor of 1.414 or 3 dB. For a square wave the crest ...

cross-spectrum

Science; Acoustics

The cross-spectrum is the forward Fourier transform of the cross-correlation function. Generally, the cross-spectrum is a complex function.

noise emission level

Science; Acoustics

The dBA level measured at a specified distance and direction from a noise source, in an open environment, above a specified type of surface. Generally follows the recommendation ...