Noise & Vibration Conversions

B
An abbreviation of bel, the logarithm of the ratio of two powers. The decibel is one tenth of a bel.
bel
The bel is the logarithm of the ratio of two powers, and the decibel is one tenth of a bel.
Decibel
The human ear responds logarithmically and it is convenient to deal in logarithmic units in audio systems.
Mel
A proportional scale, in which equal intervals correspond to equal perceived interval sizes.
Pascal
The SI derived unit of pressure.
Pressure
Defined as the force exerted per unit area.
Stiffness
Stiffness is the ratio of change of force (or torque) to the corresponding change in translation (or rotational) deflection of an elastic element.

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