Hierarchy classification:

1. top of the aat hierarchies
2. Associated Concepts Facet
3. Associated Concepts (hierarchy name)
4. [technology and related concepts]
5. technology (general associated concept)
6. information technology
7. digital file formats

Anotations

Scope note:

The most common technique for converting analog signals into digital form, involving sampling. Pulse Code Modulation is not a universally accepted standard, but rather a technique used in a variety of applications from telephony to CD production. CD quality music is sampled generally at 44.1 kHz at 32 bits per sample.