Definitions, Terms, Units and Parameters

X Y Z

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Z-weighting

: Z is for 'Zero' frequency weighting, but in reality 10 Hz to 20 kHz ±1.5 dB. Replaces the old Linear, LIN and Flat weightings, which were more confusing.

See other examples of Z-weighted information   LZeq, LZF, LZS etc ., also written as dB(Z) and dBZ.

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Zoom Analysis

: can be used in certain situations to obtain a much finer resolution, over a limited portion of the total frequency range.

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Zwicker Loudness

: a technique developed by the late Prof. Dr. E. Zwicker for calculating a real-time estimate for the loudness of sound as perceived by the human ear.

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