The audio processing tap associated with the track.
- iOS 6.0+
- macOS 10.9+
- Mac Catalyst 13.0+
- tvOS 9.0+
You can use the audio tap to access the track’s audio data before it is played, read, or exported. This property is
nil by default.
The process of setting up a tap requires the configuration of an instance of
AVMutable. If an instance of
AVMutable is present in the
input array of an
AVAudio, the results of mutating the
AVMutable while the audio mix is in use are undefined