Structure

AudioUnitParameter

An adjustable audio unit attribute such as volume, pitch, or filter cutoff frequency.

Declaration

typedef struct AudioUnitParameter {
    ...
} AudioUnitParameter;

Overview

This data structure is used by functions declared in the AudioToolbox/AudioUnitUtilities.h header file in macOS.

An audio unit parameter is uniquely identified by the combination of its scope, element, and ID.

Topics

Instance Properties

mAudioUnit

The audio unit instance that the parameter applies to.

mElement

The audio unit element for the parameter.

mParameterID

The audio unit parameter identifier.

mScope

The audio unit scope for the parameter.