AVAEMixerSample/DistortionViewController.h

/*
    Copyright (C) 2017 Apple Inc. All Rights Reserved.
    See LICENSE.txt for this sample’s licensing information
    
    Abstract:
    The DistortionViewController class provides specific UI Elements to interact with the AVAudioUnitDistortion object.
     
                    UISlider *distortionWetDrySlider;   Set the wet/dry mix of the current reverb preset
                    UIPickerView *distortionTypePicker; Select a preset for the unit
*/
 
#import "AudioViewController.h"
 
@interface DistortionViewController : AudioViewController
 
@end