Question

the unit of audio data

Answer 1

Overview. Audio unit properties, part of the audio unit plug-in interface, are key-value pairs that declare attributes or behavior such as audio data stream format, latency, or connection from one audio unit to another. ... This document describes audio unit property identifiers and their accompanying values.

Answer 2

Audio Unit Component Services provides the C interface for using audio units. An audio unit is an audio processing plug-in used for processing or generating audio data.

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