Metrology as a scientific field focuses specifically on the definition and realisation of the units of measurements specified within a particular reference framework but also their required traceabil-ity. Such traceability used to be derived through physical objects called artifacts but significant re-search has resulted in a traceability shift from artifacts (with the kilogram becoming the final unit) to fundamental quantities and nature constants derived mostly in a quantum manner and natural constants. This paper reviews the research work in the area of acoustical metrology and its associated branches and how such a transition between classical to quantum frameworks can take place.
