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.

