Hierarchy classification:

1. top of the aat hierarchies
2. Physical Attributes Facet
3. Attributes and Properties (hierarchy name)
4. [attributes and properties by specific type]

Anotations

Scope note:

The ratio of the distance between highest and lowest values of a quantity. This is most often applied to recorded sound and light signals in audio recording and photographic contexts. It determines the range of intensity that may be reliably transmitted through any particular system.