Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Sound Devices (hierarchy name)
5. sound devices (equipment)
6. [sound devices by acoustical characteristics]
7. electrophones
8. electronic instruments

Narrower term/s

• effects pedals

Anotations

Scope note:

A class of electronic devices that alter the sound of a musical instrument or another electronic audio source through audio signal processing. These are most commonly used either in recording or performance contexts.