Hierarchy classification:

1. top of the aat hierarchies
2. Activities Facet
3. Functions (hierarchy name)
4. functions (activities)
5. [functions by general context]
6. information handling functions

Anotations

Scope note:

Refers to the process of making an audio master disc or tape from which multiple copies will be made. Mastering may incorporate a variety of functions, excluding recording. The term is frequently extended to videodisc technology.