The circuit was designed by two monolithic integrated circuits to measure the level of audio signals whose unit of measurement is known as volume unit. Volume Unit – an entity equal to a decibel for ...

Length, time and volume are all examples of quantities close quantityA property that can exist as a magnitude, usually with a numerical value. For example, speed (quantity) is measured in metres per ...

Metrology is defined as the science of measurement. Metrology dates back to the ancient world, but modern metrology is derived from the politics French revolution, where the standardisation of units ...