text: //
  //  CAudioComponent Names.h
  //  CAudioUnits
  //
  //  Created by CHARLES GILLINGHAM on 2/25/15.
  //  Copyright (c) 2015 CHARLES GILLINGHAM. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  #import <AudioToolBox/AudioToolBox.h> // AudioComponentDescription
  
  
  NSArray * ACDSubtypeNames( OSType type );
  OSStatus  ACDFromOSTypeAndSubtypeName(OSType componentType,
                                       NSString * subtypeName,
                                       AudioComponentDescription * acd);
  NSString * ACDSubtypeName( AudioComponentDescription acd );
  