text: //
  //  TTMAudioUnitHelper+Record.h
  //  OverDubMock
  //
  //  Created by shuichi on 13/03/01.
  //  Copyright (c) 2013年 Shuichi Tsutsumi. All rights reserved.
  //
  
  #import "TTMAudioUnitHelper.h"
  
  
  @interface TTMAudioUnitHelper (Record)
  
  + (OSStatus)startRecordingToFile:(NSURL *)fileURL
                  numInputChannels:(int)numInputChannels
                      extAudioFile:(ExtAudioFileRef *)extAudioFile
                            ioUnit:(AudioUnit *)ioUnit;
  
  @end
  